diff --git "a/THUIR_finetune_dataset.json" "b/THUIR_finetune_dataset.json"
--- "a/THUIR_finetune_dataset.json"
+++ "b/THUIR_finetune_dataset.json"
@@ -1,3046 +1,18278 @@
-{"id":1,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Introduction: Generally, the game books we buy will classify the games. Then I will find roughly related games in the classification according to the needs of the course and choose them as team icebreaker games for employee training. The following is a collection of recent graduates...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2\nTitle: \"15 Games to Use During Employee Training\"\nSummary: \"Inserting games into training can be entertaining, experiential, participatory, lively, and ice-breaking, etc. However, you need to have a certain amount of time to control the game each time you play it, so it is suitable to play it in your leisure time.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":3,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3\nTitle: \"Team Building - Ice Breaking Games - MBA Think Tank Documentation\"\nSummary: \"So I won't mind it as much as before. Tips: Number of participants: 5-10 people in a group Time: 3-5 minutes Materials: Use... A 2-5 day training can teach complex icebreaker games, and a quick exercise of a few minutes is suitable for a course of less than one day. ...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":4,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 4\nTitle: \"Classic ice-breaking games before the training session (simple and easy to operate)_Trainer Community Official Account Latest...\"\nSummary: \"09-10 Collection It has been a while since I shared articles about training games with you. I often receive questions from friends about \"breaking the ice\"... 2. Participants can automatically design actions to expand participation. Finger exchange - develop the brain, refresh the mind Game purpose...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":5,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 5\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"A complete collection of indoor and outdoor group training games for icebreakers 1. Bundling to pass - (Applicable: team collaboration) Brief description: By being tied... Minimum ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":6,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 6\nTitle: \"\u300aSelected commonly used mini-games for training to warm up, open and break the ice\u300b\"\nSummary: \"How to play: \uf0b2 The instructor divides the students into groups, with about 10 people in each group. \uf0b2 Explain the rules of the game. \uf0b2 Start the game. \uf0d8 Notes: \uf0b2 This game is suitable for training classes where students are not familiar with each other. \uf0b2 As time goes by, it is easier to forget. The trainer can appropriately...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":7,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 7\nTitle: \"Travel\u4e28Beijing short-term travel attractions recommended list\"\nSummary: \"There are many old Beijing snack shops around the Temple of Heaven Park. Sanyuan Cold Drink Shop has the most authentic \"Palace Cheese\"; the neighboring Dalan Huoshao has many authentic snacks, such as Dalan Huoshao, Ma Tofu, Fried Sausage, Mustard Dun, Crispy Crucian Carp, etc.; there is also the old Beijing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":8,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 8\nTitle: \"Special travel | Short-term travel around Beijing | Baiyangdian Lotus Lake | Related recommendations from Beijing to Baiyangdian_...\"\nSummary: \"Beijing Nanshan Ski Resort, 5 km south of Miyun County, Beijing... Time and money are the two biggest problems when traveling. Time can be squeezed out, but what about money? This may be a problem that every friend like me who has no money and no time is worried about. \u2014...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":9,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 9\nTitle: \"\u3010Holiday near Beijing\u3011Short-term vacation\/Where can I go short-term near Beijing after September 20th?\"\nSummary: \"\u3010Vacation near Beijing\u3011Short-term vacation\/Where can I stay for a short vacation near Beijing after September 20th? Suburban... There are many black cars pretending to be distribution centers in the Qianmen area and around the distribution center. #\u5317\u4eac\u5ea6\u5047\u5ea6\u5047\u65f6\u5c1a\u9152\u5e97\uff08\u5317\u4eac...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":10,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 10\nTitle: \"[Recommended recent travel routes around Beijing] Beijing North First Grassland Exclusive Self-driving Two-Day Tour Manor Edition...\"\nSummary: \"Shandong, Shanxi, Hebei travel quotes Beijing surrounding suburbs travel quotes Route provider: Beijing Shenzhou International Travel Agency Release time: [Sanya round-trip round-trip flight around the sea 5 days] Warm gifts: golf practice, 2 bottles of mineral water per day, yacht out to sea...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":11,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 11\nTitle: \"7 must-visit places for self-driving tours around Beijing in 2016\"\nSummary: \"YJBYS editor has compiled 7 must-go places for self-driving tours around Beijing in 2016. Welcome to browse! Seven must-go places for self-driving tours around Beijing 1. Gubei Water Town in the north Why go to Venice, there is also a water town here. Small bridges, flowing water and people...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":12,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Short-term Vacation Guide\"\nQuery Dwell Time: 91.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 12\nTitle: \"\u3010Beijing three-day tour around the tour\u3011_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"See more tour routes around Beijing >> Xinjiang Tianchi Turpan Kanas three flights six ... Fujian must-see attractions_Fujian travel ... Where to travel in March_Where to travel cheaply ... Bali self-guided tour guide Wuhan to Bali ... Impression Tourism Network: Guangzhou departure to ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.77 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":13,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Short-term Vacation Guide\"\nQuery Dwell Time: 91.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 13\nTitle: \"Hebei Travel Blog_Hebei Free Travel Blog_Sina Travel\"\nSummary: \"Many times, I lament that Beijing is not as fun as Shanghai's surrounding short-term vacation destinations. After counting, it is indeed boring to spend time at home and between the Workers' Stadium on weekends. Where to find the best places to visit in Huanglong Villa?\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":14,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Gubei Water Town Guide\"\nQuery Dwell Time: 153.94 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 14\nTitle: \"2017 Miyun Gubei Water Town Travel Guide - Gubei Water Town Self-guided Tour - Gubei Water Town Tickets, Transportation, Weather and Scenery...\"\nSummary: \"Provide the latest 2017 Miyun Gubei Water Town travel guide, including a detailed introduction to Miyun Gubei Water Town attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 122.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":15,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Huanghuacheng Water Great Wall Guide\"\nQuery Dwell Time: 76.3 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 15\nTitle: \"Huanghuacheng Water Great Wall Travel Guide, Huanghuacheng Water Great Wall Guide - eLong Travel Guide\"\nSummary: \"2017 Huanghuacheng Water Great Wall Travel Guide: Discover Hotels Travel Community Home Beijing Travel Huairou Travel Huanghuacheng Water Great Wall Travel Home Travel Overview Attractions Photos Travel Guide Hotel Guide Huangshan Jiuzhaigou Lijiang Maldives Singapore Skiing Hai...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":16,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Huanghuacheng Water Great Wall Guide\"\nQuery Dwell Time: 76.3 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 16\nTitle: \"Beijing Huanghuacheng Water Great Wall Self-Guided Tour Guide\/Comments\/Photos\/Maps\/Tickets\/FAQs - | Yododo Tours...\"\nSummary: \"It is a tourist resort famous for its uniqueness and beauty, integrating mountains, rivers, clear water and the ancient Great Wall. There are flowers in three seasons and scenery in four seasons, with clear mountains and water. Huanghuacheng Water Great Wall tourist attractions\/tickets\/strategies\/routes\/maps.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":17,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Chateau Changyu\"\nQuery Dwell Time: 28.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 17\nTitle: \"Changyu Golden Ice Valley Ice Wine Winery Travel Guide_Changyu Golden Ice Valley Ice Wine Winery Travel Guide_Changyu...\"\nSummary: \"Sina Travel Changyu Golden Ice Valley Ice Winery Tourism Page provides comprehensive Changyu Golden Ice Valley Ice Winery Tourism Guide, Changyu Golden Ice Valley Ice Winery Tour Guide, Changyu Golden Ice Valley Ice Winery Self-guided Tour Guide, Changyu Golden Ice Valley Ice Winery...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":18,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baiyangdian Lake Guide\"\nQuery Dwell Time: 41.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 18\nTitle: \"Download the latest Baiyangdian travel guide for 2017 - Baoding Baiyangdian self-guided tour guide | Yododo\"\nSummary: \"What is there to do in Baiyangdian? The latest Baoding Baiyangdian travel guide and self-guided tour routes. Before you plan to travel to Baiyangdian by yourself, you can take a look at the Baiyangdian guide and follow the footsteps of the pioneers! May Day Beidaihe self-driving tour guide [teaching...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":19,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baiyangdian Lake Guide\"\nQuery Dwell Time: 41.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 19\nTitle: \"2017 Baoding Baiyangdian Tourism Guide - Baiyangdian Self-guided Tour - Baiyangdian Tickets, Transportation, Weather, Attractions Introduction\"\nSummary: \"Provide the latest 2017 Baoding Baiyangdian travel guide, including a detailed introduction to Baoding Baiyangdian attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":20,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Near Tsinghua University\"\nQuery Dwell Time: 49.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 20\nTitle: \"[A big offer for the start of the new semester] Peking University freshmen will never be cheated when buying a bicycle after reading this!\"\nSummary: \"Generally speaking, except for some professional bike shops around Tsinghua University (such as the Fixed Gear Park), the quality of similar fixed gear bikes sold in the vicinity of Peking University is not up to standard, and it is not recommended to buy them. In fact, the real fixed gear bike players, their mounts are expensive...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":21,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 29.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 21\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":22,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear Park\"\nQuery Dwell Time: 136.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 22\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park* is a required option China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.76 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":23,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear Park\"\nQuery Dwell Time: 136.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 23\nTitle: \"No. 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, on the east side of the road, the address of Shunrufeng Bicycle - Beijing...\"\nSummary: \"Probike Bike Center (Fixed Gear) New Balance (Zhongguancun Jinlehui Store) Zhongguancun Square, No. 15 Zhongguancun Street... Add interior scene Apply for new landmark No. 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, east of the road (Shunrufeng Bicycle) Tel: ...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":24,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear Park\"\nQuery Dwell Time: 136.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 24\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park* is a required option China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.61 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":25,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Quote\"\nQuery Dwell Time: 133.39 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 25\nTitle: \"[Fixed Gear Fixed Gear Price]_Fixed Gear Fixed Gear Wholesale\/Purchase Quote_How much is a fixed gear fixed gear - China...\"\nSummary: \"China Net Store provides you with the latest fixed gear bike prices, fixed gear bike quotation information, fixed gear bike price trends, including suppliers' main products, pictures, sales and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":26,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Store Zhongguancun\"\nQuery Dwell Time: 33.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 26\nTitle: \"Where are the fixed gear stores in Beijing? - Interactive Q&A on home decoration\"\nSummary: \"I decided to go to a physical store. I wonder which physical store in Beijing sells fixed gear at a more affordable price. As a student, I have limited money. I wonder what kind of car I can get between 1500-2500. 1 answer Chengdu furniture factory is looking for investment 1500-...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":27,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 27\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 78.19 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":28,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 28\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free checked baggage allowance for Dragonair's international flights is as follows: Passengers traveling to and from the United States and Canada can check in 2 pieces of luggage for free, and the weight of each piece of luggage must not exceed 32 kg; Passengers on other routes can check in 40 kg for first class and 40 kg for business class.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.85 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":29,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 29\nTitle: \"International flight baggage regulations doc download_iAsk shared document\"\nSummary: \"International flight luggage regulations, carry-on luggage restrictions, take international flights: usually the total weight of hand luggage should not exceed kg, each piece of luggage should not exceed cm (the sum of the three sides should not exceed cm). Passengers on US-Canada routes...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":30,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 30\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":31,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: Luggage must be carried in hand\"\nQuery Dwell Time: 129.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 31\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 87.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":32,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: luggage must be checked in\"\nQuery Dwell Time: 73.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 32\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":33,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: luggage must be checked in\"\nQuery Dwell Time: 73.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 33\nTitle: \"zz International flight checked baggage regulations\"\nSummary: \"Luggage allowance for international flights of large, medium and small sizes Air China International Airlines' luggage allowance for international flights is as follows: Free luggage allowance for international flights is divided into two types: free luggage allowance based on weight and free luggage allowance based on piecework. Free luggage allowance based on weight; according to...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":34,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: luggage must be checked in\"\nQuery Dwell Time: 73.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 34\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":35,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: carry-on luggage\"\nQuery Dwell Time: 41.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 35\nTitle: \"How much carry-on luggage is allowed on international flights? Page 6 - Yue Travel\"\nSummary: \"Sometimes airlines will offer some promotions to increase the free luggage allowance (especially for international flights). So, pay attention to the airline... Batteries must be carried with you as required. Here are the baggage regulations of AirAsia: According to the relevant regulations of the Civil Aviation Administration, when taking domestic...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":36,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 36\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.46 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":37,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 37\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"You can use smoking cessation toothpaste to remove cigarette stains and quit smoking. (I) Short-term benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity and can fully taste the flavors of various foods. 2. Elimination of bad breath Smokers and their...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":38,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 30.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 38\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.01 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":39,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 30.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 39\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":40,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 30.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 40\nTitle: \"US Food and Drug Administration: Pay close attention to side effects when using smoking cessation drugs - Sohu Health\"\nSummary: \"Recently, the U.S. Food and Drug Administration (FDA) issued a safety warning that the smoking cessation drug varenicline (trade name: Chantix) may cause some serious mental illnesses and even suicide, and \"this possibility is increasing...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":41,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 41\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.07 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":42,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 42\nTitle: \"The most effective way to quit smoking - Sanjiu Health Hall\"\nSummary: \"Home > The most effective way to quit smoking Everyone knows that smoking is harmful to health, but there are still many people who go further and further on the road of smoking. What is the most effective way to quit smoking? How to quit smoking most effectively and quickly? What is the best way to quit smoking...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":43,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 43\nTitle: \"The most effective way to quit smoking in the world - Article\"\nSummary: \"The method of quitting smoking is very important for people who want to quit smoking. Choosing the right and effective method of quitting smoking is more conducive to the success of quitting smoking. Let's take a look at the following methods of quitting smoking. Distracting attention method: When you can't resist the urge to smoke, you can take a hot bath; or...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.58 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":44,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 44\nTitle: \"3 effective ways to quit smoking\"\nSummary: \"Many people know that smoking is harmful to the body and the people around you, but how can you quit smoking? Today, I will introduce several ways to quit smoking, so that you can quit smoking successfully and keep yourself and the people around you healthy. Cognitive therapy helps patients...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":45,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 518.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features How to use Price\"\nQuery Dwell Time: 490.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 45\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"From the promotional video of Google Glass released by Google, it is not difficult to judge that almost all the basic functional applications based on Android phones can be transplanted into smart glasses, but the presentation method does not rely on the mobile phone screen, but on semi-transparent projection...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 325.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":46,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 518.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features How to use Price\"\nQuery Dwell Time: 490.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 46\nTitle: \"What is the price of Google Glass?\"\nSummary: \"\u6846\u6846\u62c6\u6311\u8f66 50567 views 122 latest answers (3 answers) Hello, Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking pictures, video calls, and directions through voice, as well as surfing the Internet...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":47,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 518.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features How to use Price\"\nQuery Dwell Time: 490.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 47\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"The glasses, also known as Project Glass, are priced at $1,500 and are currently only available to Google Glass attendees today.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":48,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 70.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 48\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.84 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":49,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong official website\"\nQuery Dwell Time: 57.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 49\nTitle: \"\u3010iphone6 \u200b\u200bHong Kong official website\u3011_iphone6 \u200b\u200bHong Kong official website pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality iphone6 \u200b\u200bHong Kong official website quotes, iphone6 \u200b\u200bHong Kong official website related information, iphone6 \u200b\u200bHong Kong official website latest pictures, iphone6 \u200b\u200bHong Kong official website advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":50,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong official website\"\nQuery Dwell Time: 57.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 50\nTitle: \"iphone6\/iphone6plus Hong Kong Apple store purchasing agent, official website pre-sale...\"\nSummary: \"Title: iPhone 6\/iphone 6 plus Hong Kong Apple store purchasing agent, official website pre-sale price plus purchasing agent fee! One is enough! [Item name] iPhone 6\/iphone 6 plus [New and old] Hong Kong Apple store brand new purchasing agent [Packaging] Original packaging unopened...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":51,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 46.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 51\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.15 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":52,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring my iPhone back to China?\"\nQuery Dwell Time: 36.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 52\nTitle: \"Several students were checked for bringing 8 iPhone 6s into the country. They were for personal use and were asked to pay additional taxes - Morning News | Rongyao Xi...\"\nSummary: \"The phone was purchased in Singapore and brought back for personal use, ruling out the possibility of smuggling. Several passengers were released after paying 10% tariff according to customs regulations. It is reported that Xi'an Customs has not found any cases of iPhone 6 being brought into the country for smuggling purposes. For those suspected of smuggling,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":53,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring my iPhone back to China?\"\nQuery Dwell Time: 36.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 53\nTitle: \"I brought my iPhone 4 from Malaysia back to China, but I don't know if I need to pay customs duties? How much should I pay? _Solved - ...\"\nSummary: \"Thank you. Please tell me more details. Share outside the site Views: 40 Most satisfactory answer Yes, import tax amount = duty-paid price * tax rate. For the duty-paid price and tax rate of specific items, please refer to the General Administration of Customs Announcement No. 25 of 2007 \"Inbound Passenger Travel...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":54,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring iPhone 6 back to China?\"\nQuery Dwell Time: 69.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 54\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"Items that need to be declared when leaving the country are exempt from customs duties according to customs regulations. 2. If the mobile phone you bought in Hong Kong is worth more than \uffe55,000, you will be taxed if you bring it back to China. The tax rate depends on the value of the item. Go to Hong Kong to buy an iPhone...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":55,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 46.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 55\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":56,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 46.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 56\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Huafen talks about industry information Huafen Club...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports the 4G networks of the three major domestic operators\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.9 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":57,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 46.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 57\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Oil Paradise - OnePlus Mobile Community Official...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. iPhone 6 and iPh ... Apple iPhone 6 supports the 4G network of the three major domestic operators, OnePlus Mobile Community Official Forum\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.78 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":58,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 172.22 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 55.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 58\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.19 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":59,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 1654.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 59\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.91 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":60,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 1654.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 60\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":61,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Encyclopedia\"\nQuery Dwell Time: 424.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 61\nTitle: \"Decoding the six details of the aircraft carrier \"Liaoning\", including basic technical parameters\"\nSummary: \"Basic technical parameters The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. There are 10 floors below the main deck and 9 floors of island-style superstructure above the main deck. The normal displacement of the Liaoning is more than 50,000 tons, and the full...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":62,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries\"\nQuery Dwell Time: 139.34 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 62\nTitle: \"What are the advantages of the domestically-made aircraft carrier based on the design of the Liaoning ship: it can be put into service in 2 years | China | aircraft carrier | navy_new...\"\nSummary: \"June 10, 2016 - Some experts believe that the experience accumulated by the Liaoning during the tests, sea trials and drills will definitely be integrated into the new aircraft carrier: the commanders and professional officers and soldiers of the new aircraft carrier will first be trained on the Liaoning; the new aircraft carrier's...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":63,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Other countries Comparison\"\nQuery Dwell Time: 33.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 63\nTitle: \"Compared with other countries, what advantages does China's aircraft carrier Liaoning have?\"\nSummary: \"China's first aircraft carrier, the Liaoning, has attracted widespread attention from the Chinese press and military observers around the world. For some, the Liaoning is a symbol of China's global power; for others, it represents a more powerful Chinese navy...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":64,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 211.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Company Ice Breaker Games\"\nQuery Dwell Time: 104.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 64\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Find the target (do not use the student's name or company name) Name string game group members sit in a circle and nominate one person at random... Hunter hunting rabbit Game type: ice-breaking game Suitable for number of people: unlimited Game props: none Game steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.48 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":65,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 211.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Company Ice Breaker Games\"\nQuery Dwell Time: 104.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 65\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Painter [Ice Breaker Game] Props: Each group (5-6 people) a large white paper (not too thin), two oil-based pens Step 1, each... Especially among colleagues in the same department or the same company, the effect is better. \uf06c Be careful not to let...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":66,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 211.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Company Ice Breaker Games\"\nQuery Dwell Time: 104.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 66\nTitle: \"Company Annual Meeting Ice-breaking Games\"\nSummary: \"Company annual meeting ice-breaking games, related information about company annual meeting ice-breaking games, A takes notes. (4). Five minutes later, the teacher asks A and B to take back the paper on which the other party took notes and sign their names on the upper right corner of the back. Then share with each other...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":67,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 758.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 701.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 67\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":68,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 758.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 701.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 68\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 55.67 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":69,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 758.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 701.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 69\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Where is Donghouding? Travel guide from Beijing to Donghouding Travel guide to Beijing's surrounding areas Travel guide to Hebei Zhengding Ancient City Where to go in Hebei in winter Visit ancient buildings in Handan City Experience rural travel Travel guide to Shexian County, Hebei Explore the glass plank road of Baishishan Mountain in Baoding Travel guide to Yanmenguan in Daixian County, Shanxi...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.05 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":70,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua\"\nQuery Dwell Time: 89.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 70\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":71,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua\"\nQuery Dwell Time: 89.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 71\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":72,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 72\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear|\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 159.76 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":73,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 73\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.06 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":74,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 74\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 51.73 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":1}
-{"id":75,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 75\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.82 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":2}
-{"id":76,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 76\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.1 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":77,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 77\nTitle: \"Fixed Gear Price_Fixed Gear Latest Price_Fixed Gear Price-Suning.com\"\nSummary: \"Suning.com's fixed gear channel provides you with fixed gear prices, the latest fixed gear quotes, how much fixed gear costs, fixed gear parameters and other product information. To learn more about fixed gear shopping guides, go to Suning.com. Authentic products, nationwide warranty, cash on delivery\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.52 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":78,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 78\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Price Manufacturer Wholesale-Huyi.com\"\nSummary: \"Huyi.com collects 0 detailed data on fixed gear bicycle prices and provides you with advantageous factory wholesale prices, high-quality factory sources and brands. You can also find tableware, kitchenware, cooking utensils, bathroom appliances, bathroom small appliances, kitchen and bathroom daily chemicals...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.67 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":79,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 79\nTitle: \"\u3010Disc brake fixed gear\u3011Price_Picture_Brand_Review-JD.com\"\nSummary: \"JD.COM is a professional online shopping mall for disc brake fixed gears in China, providing information on disc brake fixed gear prices, quotes, parameters, reviews, pictures, brands, etc. If you want to buy disc brake fixed gears, go to JD.COM.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":80,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 80\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":81,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 81\nTitle: \"Dead Glider Dog Mouth Price_Latest Dead Glider Dog Mouth Price\/Wholesale Quote_How much is the Dead Glider Dog Mouth - Huicong.com\"\nSummary: \"The price column of the fixed gear mouth micro portal of Huicong.com provides the latest fixed gear mouth prices and real-time quotes from various manufacturers. You can choose the appropriate fixed gear mouth according to the price, and you can also contact the manufacturer directly to obtain more information about the fixed gear mouth products,...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":82,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 82\nTitle: \"\u3010DAMAO fixed gear\u3011DAMAO fixed gear price_DAMAO fixed gear price-Suning.com\"\nSummary: \"Suning.com provides you with DAMAO fixed gear quotes, the latest DAMAO fixed gear prices, reviews, pictures, consultations, order sharing and other information. To buy DAMAO fixed gear, go to Suning.com and enjoy shopping!\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.52 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":83,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 83\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8899 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":84,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 84\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Click on the picture to see the enlarged picture Product: 92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Unit price: Negotiable Minimum order quantity: Total supply: Delivery period:\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.48 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":85,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 85\nTitle: \"How to ride a fixed gear without brakes\"\nSummary: \"In the past two years, Chen Junhan not only rides a fixed-gear bike, but also opened a bike shop that specializes in fixed-gear bikes. Chen Junhan told the Chengdu Business Daily that he has sold more than 1,000 fixed-gear bikes, and like road bike fans, he has...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":86,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 86\nTitle: \"What is a fixed gear? How to choose and ride a fixed gear (8) - Sanjiu Health Hall\"\nSummary: \"Things to note when riding a fixed-gear bike: Keep your sight as far as possible when riding a fixed-gear bike. It is not easy to ride a fixed-gear bike well. There are many details to pay attention to when riding a fixed-gear bike, such as where to look when riding a fixed-gear bike. If you don't pay attention to this problem, you will really fall...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":87,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 267.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage Shipping USA\"\nQuery Dwell Time: 110.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 87\nTitle: \"Studying in the United States: What are the regulations for checked luggage?\"\nSummary: \"August 27, 2014 - For example, American Airlines allows two pieces of checked luggage to all international destinations for free, and the weight of each piece of luggage cannot exceed 23 kg. If the weight exceeds 23 kg but is less than 32 kg, each piece will be charged US$25 or...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 71.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":88,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 267.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Prohibited Items for Consignment in the United States\"\nQuery Dwell Time: 120.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 88\nTitle: \"TSA Checked Baggage Permitted\/Prohibited Items List_Tiandao Study Abroad\"\nSummary: \"TSA Checked Baggage Permitted\/Prohibited Items List Sharp Items Items Checked Carry-on Box Knives No Ice Picks No Knives (Except Plastic or Unsharpened Butter Knives) No Carving Knives No Blade Knives (Examples of Box Knives, Multi-purpose Knives...)\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 114.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":89,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 85.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 89\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":90,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 85.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 90\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.11 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":91,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 85.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 91\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - after quitting smoking, you will find that your irritable mind can calm down, and your mind that was always distracted can be easily focused. Although men in business talks usually have to give cigarettes to the other party, but the effects of cigarettes on the body...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.2 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":92,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 122.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 92\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.54 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":3}
-{"id":93,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 122.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 93\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.08 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":94,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking effective way\"\nQuery Dwell Time: 86.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 94\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.3 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":95,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking effective way\"\nQuery Dwell Time: 86.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 95\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Author: admin Quit smoking Source: Original from this site Hits: China Quit Smoking Network News: I believe everyone knows that smoking is very harmful, and smoking frequently is addictive. So how should we quit smoking when we are addicted? What is the most effective way to quit smoking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":96,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 246.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 185.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 96\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 103.14 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":97,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 246.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 185.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 97\nTitle: \"The core functions of Google Glass cannot be used in China, and large-scale promotion is difficult | Google Glass | Google | Now_...\"\nSummary: \"April 28, 2014 - According to our reporter, so far, very few people have used Google Glass, and there is no official sales channel in China. Various videos showing the \"magical functions\" of Google Glass circulating on the Internet have further enhanced the public's interest in it...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.41 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":98,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 246.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Official Website\"\nQuery Dwell Time: 40.97 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 98\nTitle: \"Google Glass Official Website - The official website will take you to the real Google Glass official website\"\nSummary: \"Google also announced that it will open applications for Google Glass to consumers. According to multiple media reports, Google Glass will be available before the end of 2013, with a price of no more than $1,500 (about 9,270 yuan). Google Glass official website address and related websites...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":99,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 124.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 99\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.57 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":100,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 124.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 100\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"Apple iPhone 6 price plummets to 3,500 yuan 2015-10-17 At 10:00 am on September 9, San Francisco time, Apple held a press conference in San Francisco and officially released the iPhone 6s and iPhone 6s Plus. As a result, the price of the iPhone 6 dropped a lot...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.98 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":2}
-{"id":101,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 124.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 101\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"Disadvantages: 1. Price 2. Fragile life, not as good as previous Nokia; 3. Short standby time, battery life needs to be improved Is it helpful to you? 2 0 Apple iPhone6A1586 related questions Can iPhone 6 and Plus use Apple Pay? I...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 77.02 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":102,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 tariff\"\nQuery Dwell Time: 206.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 102\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 192.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":103,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecommunications service provider\"\nQuery Dwell Time: 118.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 103\nTitle: \"Ask everyone what to do if the Hong Kong version of iPhone 6 has no service from China Telecom? - Home Decoration Q&A - Dianping.com\"\nSummary: \"Question: What should I do if the Hong Kong version of iPhone 6 has no service? - Answer: The general solution for iPhone 6 displaying no service: 1. Check if the SIM card slot is damaged: You can insert another SIM card to try...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.16 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":104,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecommunications service provider\"\nQuery Dwell Time: 118.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 104\nTitle: \"Does the Hong Kong version of iPhone 6 support China Telecom? - Home Decoration Interactive Q&A\"\nSummary: \"Still in no service state. Therefore, the actual hardware of the Hong Kong version of iPhone 6 can support it, but due to some reasons such as policies, the CDMA telecommunications network is soft-blocked. In addition, China Telecom's network has not yet deployed SRLTE and SVLTE, so even if...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 84.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":105,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Mobile\"\nQuery Dwell Time: 75.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 105\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks - IT News - 21CN.COM\"\nSummary: \"September 2, 2014 - Officially released at the Flint Theater in Cupertino, USA. According to China Mobile, not only is the operator's 4G network coverage complete, but domestic and Hong Kong versions of iPhone 6 also support China Mobile's 4G network.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 39.92 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":106,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 71.72 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 63.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 106\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.48 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":107,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 746.73 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 288.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 107\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 152.79 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":108,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 746.73 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 288.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 108\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 117.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":109,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 407.71 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 389.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 109\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":110,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 99.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 110\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":111,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 99.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 111\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Surrounding facilities Commercial services Popular categories: Popular business districts: Landmark subway: Rating: Rating: Fee: I didn't listen to it once... And there are a lot of people during the peak tourist season, and the queue is very long! However, the amusement facilities inside... Rating: Rating...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.69 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":112,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Day Beijing Surrounding Tourism\"\nQuery Dwell Time: 191.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 112\nTitle: \"Where to go for tours around Beijing during the May Day holiday?\"\nSummary: \"Xinxin Travel Network Travel Guide: Where to go in Beijing during the May Day holiday? Why not take a tour around the city? Go out, breathe some fresh air, and get close to nature. It's also a good thing! Here are some good places to go during the May Day holiday in Beijing...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":113,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Day Beijing Surrounding Tourism\"\nQuery Dwell Time: 191.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 113\nTitle: \"May Day Travel Guide May Day Beijing Tour Self-driving Route Sharing - China Investment Consulting | China Investment Consulting Network\"\nSummary: \"April 24, 2015 - Beijing surrounding tours: mountain climbing, barbecue and camping [Self-driving tour] \"May Day\" travel guide: Self-driving tour, whatever you want Shangzhuang Reservoir is the closest reservoir to Beijing city, only 30 kilometers away from the city, and it takes only half an hour to drive...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":114,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Day Beijing Surrounding Tourism\"\nQuery Dwell Time: 191.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 114\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"During the three-day May Day holiday, you don\u2019t want to stay at home, nor do you want to go too far. So why not travel around Beijing? What are the fun places around Beijing during the May Day holiday? What are the good places to travel around Beijing during the May Day holiday? Beijing Week of May Day...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 91.44 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":115,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 115\nTitle: \"Yesanpo Travel Guide - 2017 Latest Yesanpo Bailixia, Yesanpo Farmhouse, Yesanpo Accommodation...\"\nSummary: \"Yesanpo Bailixia Haitian Farmhouse is located at the entrance of Yesanpo Bailixia Scenic Area. It provides you with the latest Yesanpo travel guide, Yesanpo tourism, Yesanpo accommodation, Yesanpo Farmhouse information, and the latest Yesanpo Bailixia travel guide in 2017...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":116,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 116\nTitle: \"Yesanpo Travel Guide | Yesanpo Farmhouse | Hebei Yesanpo Scenic Area - Yesanpo Travel Network\"\nSummary: \"Yesanpo Tourism Network provides the most timely and comprehensive tourism information of Hebei Yesanpo, driving routes, Yesanpo Farmhouse Hotel accommodation introduction, Yesanpo Scenic Area attractions introduction and Yesanpo travel guide\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":117,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 117\nTitle: \"Yesanpo Tourism Network Yesanpo Travel Agency Yesanpo Local Agency Yesanpo Hotel Yesanpo Tickets ...\"\nSummary: \"The Yesanpo local reception service hotline 13730223009 provides free information on Yesanpo travel agencies, hotels, rafting entertainment, tour guides, tickets, etc. to travel agencies operating Yesanpo tours and tourists visiting Yesanpo.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":118,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 118\nTitle: \"Yesanpo Tourism Accommodation Network-Yesanpo_Yesanpo Farmhouse_Yesanpo Accommodation_Bai Lixia Farmhouse_...\"\nSummary: \"Yesanpo Bailixia Shanlihong Farmhouse provides accommodation services in Bailixia, Yesanpo. Shanlihong Farmhouse was rated as a third-level farmhouse by the Yesanpo Management Committee. We provide you with Yesanpo tourism guidance and consultation, so that you can have a good time in Bailixia...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":119,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 119\nTitle: \"Yesanpo Tourism_Yesanpo Tourism Guide_Yesanpo Pictures_Yesanpo Ticket Prices_Sina Travel\"\nSummary: \"Sina Travel Yesanpo Travel provides netizens with Yesanpo travel guide, Yesanpo introduction, Yesanpo pictures, Yesanpo ticket prices, Yesanpo attractions introduction, Yesanpo travel routes, Yesanpo address, Yesanpo phone number, Yesanpo surrounding tourism...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":120,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism Price\"\nQuery Dwell Time: 89.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 120\nTitle: \"2017 Yesanpo three-day tour\/Yesanpo travel price\/travel guide\"\nSummary: \"Arrive at Yesanpo, a world geological park and national key scenic spot, at noon and arrange accommodation. In the afternoon, take a bus to Baili Gorge, a national AAAA-level tourist area and the \"No. 1 Gorge in the World\" (about 30 minutes by car, about 4 hours of sightseeing), where you will be surrounded by cliffs...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":121,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism Price\"\nQuery Dwell Time: 89.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 121\nTitle: \"Yesanpo tourism, travel quotes from Beijing to Yesanpo, Yesanpo tour route prices_Ocean International Travel\"\nSummary: \"Ocean International Travel has carefully designed Yesanpo travel routes for you, with realistic Yesanpo travel prices and high-quality Yesanpo travel services, allowing you to have a safe, comfortable and economical Yesanpo trip. Ocean International Travel\u2019s phone number is: 400-0003400.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":122,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tmall\"\nQuery Dwell Time: 144.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 122\nTitle: \"[Tmall fixed gear bicycle]_Tmall fixed gear bicycle pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality Tmall fixed gear bicycle quotes, Tmall fixed gear bicycle related information, Tmall fixed gear bicycle latest pictures, Tmall fixed gear bicycle advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most valuable...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 128.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":123,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Taobao\"\nQuery Dwell Time: 74.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 123\nTitle: \"Home - 77 Fixed Gear Bike Gallery - Taobao\"\nSummary: \"Taobao, Shop, Wangpu, 77 Fixed Gear Bike Hall SF Song and Friends Revolution x Matte Black Student Men and Women Retro Limited Racing Steel Frame Fixed Gear Bike SF R Racing Muscle Bike SF Muscle R1R2R3 Super Wanderer Pioneer AV Fixed Gear Bike SF R Series ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":124,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store\"\nQuery Dwell Time: 90.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 124\nTitle: \"[Beijing New Fashion Tongjiang Fixed Gear Bicycle Store] Group purchase, address, phone number, business hours -...\"\nSummary: \"Movies, Events, Performances, Leisure and Entertainment, Learning and Training, Healthcare, Dianping WeChat Official Account, Dianping QQ Official Account, Beijing Search, Mobile Reviews, Hot Recommendations, Foot Reflexology and Bathing, Medical Beauty, More, High-end Hotels, More, Specialty Hotels, More, Family Fun...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":125,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store\"\nQuery Dwell Time: 90.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 125\nTitle: \"Fixed Gear Bike Store | How much does a fixed gear bike cost in a physical store_Tianjin E Network\"\nSummary: \"Introduction: How much does a fixed gear bike cost in a physical store? Where is the fixed gear bike store in Nanjing? Where can I buy a fixed gear bike? Where is the fixed gear bike store in Guangzhou? How much does a fixed gear bike usually cost in a physical store? About \"Fixed Gear Bicycle...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":126,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where can I buy fixed gear bicycles near Tsinghua University?\"\nQuery Dwell Time: 48.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 126\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"There are electric cars at the west gate of Tsinghua University. UjozWjfx Yes, there are many stores on Zhongguancun North Street, south of Xiangbaiqi Bridge and west of the road near Yuanmingyuan. You can find any affordable brand you can think of. Contact us: 13255803810@qq.com Customer service phone: 13255803810 ...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":127,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 41.62 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 127\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.0 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":128,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 54.41 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 128\nTitle: \"[Things to note for novice bicycle riders] [Mengyang Fixed Gear Bar]_Baidu Post Bar\"\nSummary: \"Cycling can be done at any time, during commuting, or when going out for an outing. There is no time limit or speed limit. It can effectively keep the body healthy. For novices, there are some things to pay attention to. Be sure to check the bicycle before riding...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.11 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":129,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 132.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 129\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.08 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":130,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 132.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 130\nTitle: \"Fixed Gear Bicycle for Students_Fixed Gear Bicycle for Students Price_High Quality Fixed Gear Bicycle for Students Wholesale\/Purchase...\"\nSummary: \"Huicong.com's Fixed Gear Bicycle Student Micro-Portal collects rich content about Fixed Gear Bicycle Student, providing users with various fixed gear bicycle student supply and demand information prices, fixed gear bicycle student information, fixed gear bicycle student pictures, fixed gear bicycle...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":131,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 132.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 131\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"The quality of the fixed gear bicycle must be ensured before it can fly,... When a fixed gear bicycle hits a car, the loss is worth... Should I buy a fixed gear bicycle as a whole or do it myself... Address of a fixed gear store in Hangzhou Address of a fixed gear store in Shanghai Where is the fixed gear store in Beijing? Fixed gear...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.38 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n","usefulness_score":2}
-{"id":132,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 147.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International Flights Baggage Information\"\nQuery Dwell Time: 130.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 132\nTitle: \"International Flight Baggage Information\"\nSummary: \"People generally need to carry a lot of luggage when taking international flights, and different airlines have different regulations on luggage. Therefore, it is necessary to check the relevant regulations when booking tickets and preparing luggage, especially the number of pieces of luggage, size, etc.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":133,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 147.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International Flights Baggage Information\"\nQuery Dwell Time: 130.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 133\nTitle: \"\u300aGeneral Requirements for the Number, Weight and Size of Checked and Carry-on Baggage on International Flights\u300b\"\nSummary: \"Generally, international flights require the number, weight, and size of checked and carry-on luggage. When traveling between Zone 1 and Zone 3 of IATA, the piece-rate system is adopted, stipulating that passengers in F\/C cabin can check in two pieces of luggage, each weighing no more than 32KG, and the size of each piece...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":134,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 134\nTitle: \"How to quit smoking_Symptoms after quitting smoking_Comparison of the pros and cons of quitting smoking methods\"\nSummary: \"Drug assistance is more effective (News) One of the withdrawal symptoms of quitting smoking is depression Tips for quitting smoking (Health Concern) Three-character classic for quitting smoking (Life and health care) Quitting smoking can reduce anxiety (Health perspective) Quitting smoking is a war with yourself (Call for articles) Will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 113.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":135,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 135\nTitle: \"Eight advantages of quitting smoking_Behavior Channel_Healthy Network\"\nSummary: \"What are the eight advantages of quitting smoking? Quitting smoking refers to how people who are addicted to smoking quit smoking, through active or passive smoking cessation methods, which may be chemical, physical, or spiritual smoking cessation methods, to eliminate the behavior of smoking addiction. You can use smoking cessation toothpaste to remove smoking addiction and remove smoke stains...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.59 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":136,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 136\nTitle: \"Is it good to quit smoking suddenly?_Popular health questions and answers_YouQiBiDa.com\"\nSummary: \"I want to ask if it is good to use e-cigarettes if you want to quit smoking. What are the...I have quit smoking for a month, why do I always have a fever and a cold? And...Quit smoking at the age of 10, drink milk, exercise more, and you can grow taller...My friend recently had a cerebral thrombosis, and I advised her to quit smoking,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":137,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 137\nTitle: \"[Discussion] Let's talk about whether it is good for people who have smoked for many years to suddenly quit smoking? - Sohu Community\"\nSummary: \"\u203a [Discussion] Let's talk about whether it is good for people who smoke all the year round to suddenly quit smoking? The light is not good. The old car is broken. Open it on time and waste it. Bei'er Bei'er Bei'er The light is not good. The old car is broken. Bei'er Doudou Doudou Doudou The old car is broken. The beginning is always true? The beginning is always...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":138,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 44.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 138\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.27 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":139,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 139\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.17 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":140,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 140\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":141,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 141\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 21.09 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":142,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 206.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 142\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_null_Tencent Video\"\nSummary: \": The charm of fingertip control: a demonstration of how to use Google Glass\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 111.4 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":143,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 206.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 143\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.77 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":144,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Taobao\"\nQuery Dwell Time: 32.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 144\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - On Taobao, a Southern Metropolis Daily reporter searched yesterday and found that about five merchants have said they can buy Google Glass on behalf of customers, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"Pre-orders can already be started...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":145,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 145\nTitle: \"How to buy Google Glass? Google smart glasses purchase tutorial_IT digital_Information channel_Aifuqing.com\"\nSummary: \"September 3, 2014 - Google Glass is like a wearable smartphone that allows users to use voice commands, take photos, send messages, and perform other functions. Many people know about Google's smart glasses, but don't know how to buy them. ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":146,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 349.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Domestic iPhone 6 price\"\nQuery Dwell Time: 44.0 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 146\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"At present, domestic manufacturers have launched related films. In addition, Apple has not stated the glass material of the screen, but according to relevant information from Apple suppliers, it is still Corning Gorilla Glass. Is Apple iPhone6A1586 worth buying? Apple iPhone...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":147,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 349.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 tariff\"\nQuery Dwell Time: 129.72 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 147\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 97.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":148,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 349.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Will I be charged customs duty if I bring iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 83.26 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 148\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"You have to pay a 20% tariff, which means you have to pay a tax if you bring an iPhone 6. If you buy an iPhone 6 and open the box, it says it's yours... Luohu... Things to pay attention to when letting friends buy iPhone 6 from Hong Kong and bring it back to the mainland... 1. Apple Hong Kong needs to...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":149,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 130.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 77.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 149\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.11 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":3}
-{"id":150,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 130.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 77.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 150\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 44.48 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":151,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 470.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with other aircraft carriers\"\nQuery Dwell Time: 114.2 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 151\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3172th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":152,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 470.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with other aircraft carriers\"\nQuery Dwell Time: 114.2 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 152\nTitle: \"Aircraft carriers are indeed giants. The deck of Liaoning compares with the Nimitz class of the United States_Sohu Others_Sohu.com\"\nSummary: \"January 15, 2017 - Statement: This article was written by an author who is registered on Sohu.com. Except for Sohu official accounts, the views only represent the author himself and do not represent the position of Sohu.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":153,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 470.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of the Liaoning aircraft carrier\"\nQuery Dwell Time: 127.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 153\nTitle: \"Advantages and disadvantages of the J-15 as a carrier-based aircraft, - Navy Edition - Super Base Military Forum - The most influential...\"\nSummary: \"Aloof from the world, tolerant and great. The advantages are great, but the disadvantages are... No catapult is not happy... The most influential... With catapult... The dispatch of aircraft carriers, the design and use of carrier-based aircraft, all of these require long-term practical accumulation, and the pilots'...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.21 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":154,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 72.4 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 54.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 154\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":155,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 72.4 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 54.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 155\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.11 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":156,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 72.4 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 54.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 156\nTitle: \"Ice-breaking game for new employee training_Chengzhi Development\"\nSummary: \"1. Carefully explain the purpose of the game and create an atmosphere. 2. Everyone stands in a circle, shoulders to shoulders, faces toward the inside of the circle. Everyone stands firmly with their front and back feet, hands forward, ready to push forward. 3. Choose one person to stand in the circle, close their eyes, and cross their hands in front of their chest. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":157,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 47.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, prices, etc.\"\nQuery Dwell Time: 30.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 157\nTitle: \"Beijing surrounding tourism prices\"\nSummary: \"2-day tour - Beijing to Beidaihe travel price - Beijing surrounding tour - Train to Beidaihe tour Senior group: Beijing group Summer Resort two-seat 2-day tour Puning Temple Puyou Temple \/ Small Potala Palace optional - Senior group tour price - Senior tour price Beijing-Tianjin high-speed rail Tianjin city + Tang...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":158,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 142.85 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes and their prices\"\nQuery Dwell Time: 129.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 158\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 123.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":159,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 90.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 159\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? 2017 International Flight Baggage New Regulations Air China has introduced a new policy of free checked baggage! After that, take Air China flights from China to the United States... The weight limit for each piece of luggage is 23 kg (50 pounds), and the sum of the three sides of each piece of luggage must not exceed 158 cm (62 inches)...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":160,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 90.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 160\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - After that, you can only check in one piece of luggage for free when you take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan), Hong Kong, Macau and Taiwan. This is very important for overseas Chinese and students studying abroad... The weight limit for each piece of luggage is 23 kilograms (50 pounds), and the sum of the three sides of each piece of luggage must not exceed 158 centimeters (62 inches)...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":161,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 2114.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking, the benefits of quitting smoking\"\nQuery Dwell Time: 149.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 161\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":162,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 2114.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking, the benefits of quitting smoking\"\nQuery Dwell Time: 149.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 162\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Quitting smoking Everyone knows that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.07 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":163,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 2114.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking, the benefits of quitting smoking\"\nQuery Dwell Time: 149.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 163\nTitle: \"How to quit smoking: several practical techniques for quitting smoking (2) - Sanjiu Health Hall\"\nSummary: \"Everyone knows that smoking is harmful to health, but many people in the world still smoke. We all know that there are many benefits to quitting smoking, but it is difficult to give up tobacco. We call on everyone to quit smoking as soon as possible and stay away from tobacco as soon as possible. Today...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":164,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 218.6 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\", he is very interested, please find out the function, usage, price and other information of this product\"\nQuery Dwell Time: 210.21 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 164\nTitle: \"What is Google Glass used for? The practical application of Google Glass is revealed_ChaChaBa\"\nSummary: \"View Points of Interest Google Glass can view points of interest, including some store locations and review information. 8. Take photos This is Google... Obviously a better way to take candid photos. 9. Video call A very cool feature, you can use Hangouts to... Of course, your English needs to be standard, and you need an Internet connection. 4. Traffic information A very cool feature, Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 100.78 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":165,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 218.6 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\", he is very interested, please find out the function, usage, price and other information of this product\"\nQuery Dwell Time: 210.21 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 165\nTitle: \"The shadow of Google Glass: Early users lose confidence in it | Google Glass_Industry_Sina Technology_New...\"\nSummary: \"November 15, 2014 - However, in recent times, many developers and early users of Google Glass are losing interest in the $1,500 beta product. Google Glass integrates a camera, a processor, and a...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":166,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1468.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operator networks and other information?\"\nQuery Dwell Time: 201.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 166\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Portable\/Mobile Products - Electronic Engineering World...\"\nSummary: \"September 11, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":167,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 86.07 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool opening hours and ticket prices\"\nQuery Dwell Time: 55.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 167\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":168,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 168\nTitle: \"What improvements does the first domestically-made aircraft carrier have over the Liaoning? - Happiness Gold Network\"\nSummary: \"April 26, 2017 - Thanks to China's advanced electronic technology, the Type 001A's island can fully achieve stronger information command capabilities than the Liaoning. However, compared with the \"mini island\" of the US aircraft carrier, the Type 001A aircraft carrier using conventional power...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 123.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":169,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 169\nTitle: \"Kaifeng Model Toys: Zhengdefu 1\/720 scale China's first aircraft carrier Liaoning - Kaifeng iAsk Classification\"\nSummary: \"China's first aircraft carrier Liaoning, released by Mr. Li, the information is described or introduced in detail as follows: The model uses Kuznetsov to transform into China's Liaoning, lifelike, carrier-based aircraft, small and cute, exquisite workmanship, pure handmade, acrylic painting, worth collecting and liking...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.48 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":170,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 170\nTitle: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially delivered to the People's Liberation Army of China...\"\nSummary: \"Question Type: Multiple Choice Difficulty: Medium Source: Xueersi Online School On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially delivered to the People's Liberation Army Navy. The picture below shows the first takeoff of the J-15 aircraft from the aircraft carrier. When taking off,... Then the rated power of the small bulb is W. (5) Combined with the information in Figure B, think: Can we use the circuit in Figure A to control the variable...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":171,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 171\nTitle: \"Why is China's first aircraft carrier called Liaoning? - Zhihu\"\nSummary: \"Log in Join Zhihu Why is China's first aircraft carrier called Liaoning? Show all Followers 1 Comment Share Invite to answer Follow the question Write an answer Knowledge is limited Province plus meaning 0 Add a comment Share Collection Thanks Close\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":172,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 360.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 350.03 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 172\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":173,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 173\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":174,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 174\nTitle: \"\u3010Beijing 5 Local Tours\u3011Beijing surrounding tourist attractions_2017_Beijing 5 local tour routes from October to December...\"\nSummary: \"Mango.com, a subsidiary of China Travel Service, is the first choice for booking Beijing 5 surrounding tours. Mango.com provides you with a full range of high-quality real-time price quotes for Beijing 5 surrounding tours from October to December 2017. The preferential prices for Beijing 5 surrounding tours are your best choice. Welcome...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":175,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 175\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"Beijing Hongluo Temple Tourist Resort Beijing Yuyuantan Park Beijing Lake View Water Park Beijing Qinglongxia Scenic Area Beijing Hancunhe Tourist Village Xishan Dajue Temple Haiding District Fenghuangling Natural Scenic Area Fangshan Qinglong Lake Water Park Miyun Taoyuan Fairy Valley Scenic Area ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":176,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 176\nTitle: \"\"Where to go for a May Day trip around Beijing?\"\"\nSummary: \"Where to go for a May Day trip in Beijing? Health and Health Guide: Where to go for a May Day trip in Beijing? Inventory of good places to visit in Beijing for May Day 1. Beijing Shunyi International Flower Port May Day travel activities in Shunyi District, Beijing: 2015 Beijing Yu... May Day trips in Beijing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":177,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 177\nTitle: \"Where is the best place to go in Beijing in mid-May? - Travel Q&A\"\nSummary: \"Cheap Travel in Oceania For more questions, please click here x Back to top Outbound travel is all in the Cheap Travel App The choice of millions of travelers Scan the QR code to download on IOS\/Android Related questions Where is the most fun place to go around Beijing in mid-May? It would be best if there are mountains and water, scenic spots...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":178,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 85.58 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 178\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":179,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 85.58 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 179\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.46 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":1}
-{"id":180,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 37.71 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 180\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.42 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":1}
-{"id":181,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 37.71 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 181\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"The phone number of the Fixed Gear Park is , and the address of the Fixed Gear Park is No. 130 Xisi North Street. In addition, you can also check the map, public transportation and nearby popular places of the Fixed Gear Park.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.35 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":182,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Shop Tsinghua\"\nQuery Dwell Time: 40.72 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 182\nTitle: \"Makara Fixed Gear Park: The entry-level fixed gear for beginners is still more than 1,500 yuan,...... Beijing Shopping - Da...\"\nSummary: \"(North side of the west gate of Tsinghua University) Tel: 62625192 13810879372 View business details Add a branch View all 0 branches Products: 1 Environment: 1 Service: 1 The entry-level fixed-gear beginners still have more than 1,500 yuan, which is too much money. I give people...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":183,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"makara prices\"\nQuery Dwell Time: 32.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 183\nTitle: \"Makara Fixed Gear Park (Fixed Gear Shop) phone number, address, price, business hours (picture) - North...\"\nSummary: \"Popular cities There are expiring Nuomi coupons View orders Not rated Go to rate orders Not paid Go to pay New merchant replies View Data loading... Baidu Nuomi: nuomivip Popular categories Chinese food Group purchase Makara Fixed Gear Park (Fixed Gear...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":184,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 75.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 184\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":185,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 75.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 185\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 45.9 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":186,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 40.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 186\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Click the picture to see the enlarged picture Product: 92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Unit price: Negotiable Minimum order quantity: Total supply: Delivery period: ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.58 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":187,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US Shipping Regulations\"\nQuery Dwell Time: 132.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 187\nTitle: \"American Airlines Checked Baggage Rules: Checked Baggage News\"\nSummary: \"What are the checked baggage regulations of American Airlines? Let\u2019s take a look with the editor. 1. Checked luggage 1. Economy class: two pieces of luggage allowed, each not exceeding 23 kg\/157 cm 2. First class and business class passengers can check in two pieces of luggage for free...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":188,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US Shipping Regulations\"\nQuery Dwell Time: 132.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 188\nTitle: \"A complete guide to baggage check-in regulations for flights to the United States_Sina Education_Sina.com\"\nSummary: \"September 23, 2008 -Which flight do you take? Understand the baggage regulations in advance to avoid awkward check-in times. Northwest Airlines (NW): (1) North American routes: 2 pieces of checked baggage, 32 kg\/piece, 158 cm\/piece, 9 kg of carry-on baggage (excluding laptops) (2)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":189,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US Shipping Regulations\"\nQuery Dwell Time: 132.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 189\nTitle: \"What are the regulations for checked baggage on American Airlines? - GRE~'s blog, Renren, GRE~'s public...\"\nSummary: \"Starting from October 1, 2005, American Airlines will allow passengers to check in two pieces of luggage for free to all international destinations... All passengers who issue tickets from October 1, 2005 will be subject to this new regulation. Passengers who issue tickets before October 1, 2005 will not be...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":190,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US luggage regulations liquids\"\nQuery Dwell Time: 291.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 190\nTitle: \"[Help] How do I understand United Airlines' (domestic flights in the United States) regulations on liquids in carry-on baggage?\"\nSummary: \"I am going on a business trip to the United States. There are two purely domestic flights in the United States (I need to stay overnight in New York and go through security again the next day. It is not a combined ticket). There is no free checked baggage. The cosmetics I bought can only be carried with me. United Airlines' regulations on liquids in carry-on luggage are as follows...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":191,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US luggage regulations liquids\"\nQuery Dwell Time: 291.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 191\nTitle: \"Baggage regulations and precautions of American airlines | Preparation before traveling to the United States\u2014\u2014Elite Tutoring Network\u2014\u2014\"\nSummary: \"Oversized and overweight baggage and related fees In American universities, applying for American graduate scholarships is only available to students admitted to the school... Regulations require that passengers should carry liquid items (liquids, gels, aerosols) in a volume not exceeding 100 ml...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":192,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US luggage regulations liquids\"\nQuery Dwell Time: 291.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 192\nTitle: \"[Shipment to the United States] What are the regulations for luggage shipment to the United States? \u2014 Ask Knowledge\"\nSummary: \"[Ship to the United States] What are the regulations for luggage shipping for studying in the United States? For all international passengers, the free luggage regulations are as follows: 2 checked luggage and 1 hand luggage; The length, width and height of each piece of the 2 checked luggage are added together...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":193,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 183.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 193\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.88 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":3}
-{"id":194,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 183.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 194\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.69 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":1}
-{"id":195,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 183.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 195\nTitle: \"US Food and Drug Administration: Pay close attention to side effects when using smoking cessation drugs - Sohu Health\"\nSummary: \"Bupropion hydrochloride sustained-release has a positive effect on smoking cessation, especially for patients who develop depression during the smoking cessation process. If used in combination with NRT, the effect is more obvious. It is contraindicated for those with a history of epilepsy and should be used with caution for those with eating disorders. The main side effects of bupropion hydrochloride are:...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":196,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 55.86 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 196\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.68 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":1}
-{"id":197,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 197\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":198,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 198\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":199,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 199\nTitle: \"The fastest and most effective way to quit smoking\"\nSummary: \"How to quit smoking? The best way to quit smoking 1. Quit smoking from now on. Quit smoking completely or gradually reduce the number of times you smoke. Usually, you can succeed in 3 to 4 months. 2. Drink water, eat fruit or take a walk after a meal to get rid of the idea of \u200b\u200bsmoking after a meal. Research shows...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.05 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":200,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 200\nTitle: \"What is the most effective way to quit smoking?\"\nSummary: \"The most effective way to quit smoking is the sudden stop method. The \"sudden stop method\" is usually accompanied by medication. There will also be some discomfort symptoms in the first two weeks of quitting smoking, but due to the use of smoking cessation drugs, the discomfort symptoms will be significantly alleviated, and then the symptoms will...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.5 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":201,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 311.93 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Review\"\nQuery Dwell Time: 296.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 201\nTitle: \"Google Glass Review: The Most Ambitious Revolutionary Product [Photo] - OFweek Optics\"\nSummary: \"Google Glass can connect to the Internet via Wifi, but there is often no Wifi network outdoors, and mobile hotspots are not reliable. At this time, the function of Google Glass is greatly reduced, and it can only take photos and videos. Future versions of Google Glass may...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 289.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":202,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone\"\nQuery Dwell Time: 68.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 202\nTitle: \"Apple iPhone4 16G Price_Parameters_Pictures_Comments - PCPOP Product Price\"\nSummary: \"More Apple iPhone4 16G (Hong Kong version) quotations More Apple iPhone4 16G (Hong Kong version) parameters More Apple iPhone4 16G (Hong Kong version) pictures View Apple iPhone4 16G (Hong Kong version) latest quotations View Apple iPhone4 16G (Hong Kong version)...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":203,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone\"\nQuery Dwell Time: 68.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 203\nTitle: \"Apple iPhone5s price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"I just\u3010View Details\u3011Hong Kong version iPhone5s business hall cracked 4G network trial experience 2008-12-13 China Mobile got the TD-LTE camera, and according to previous rumors, the Hong Kong version of iPhone5S\/5C can be cracked to use the mobile 3\/4G network, now in Beijing...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":204,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone China Hong Kong\"\nQuery Dwell Time: 348.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 204\nTitle: \"Can an iPhone purchased in Hong Kong be used normally in the country? Let me tell you the answer - Lei Technology\"\nSummary: \"November 2, 2017 -Due to the cost-effectiveness, many friends have set their sights on the overseas\/Hong Kong version of the iPhone. But before buying, they are also full of doubts in their hearts, whether the non-Chinese iPhone can be used normally?\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 88.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":205,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone China Hong Kong\"\nQuery Dwell Time: 348.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 205\nTitle: \"What is the price of iPhone in Hong Kong and in China? ,iPhone\/ iPad \/ Watch-MacX.cn -\"\nSummary: \"I am going to Hong Kong soon and want to buy an iPhone 3G 8GB, but I don't know how much the price is in Hong Kong and the price in China? Can anyone tell me? There are too many refurbished ones in China. Where can I buy it? I see that most shopping malls require signing...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":206,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone China Hong Kong\"\nQuery Dwell Time: 348.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 206\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than domestic ones, and iPhone 6 is no exception. Many netizens who are planning to travel to Hong Kong can't help but wonder whether they need to pay taxes when buying iPhone 6 in Hong Kong? What is the price? Is it cheaper than domestic...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 167.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":207,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 207\nTitle: \"It is reported that the iPhone 6 will be released in China in September this year, and the price may start from 5288 yuan | iPhone | Release | Price_...\"\nSummary: \"June 25, 2014 - In addition, domestic media disclosed that the domestic price of iPhone 6 may continue to maintain Apple's original price, that is, the 32GB version is priced at 5,288 yuan, and the 64GB version is priced at 6,288 yuan. (China News Service IT Channel)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":208,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 208\nTitle: \"Why is the iPhone more expensive in China than in other countries? | Q&A | Q&A | Guokr Technology is...\"\nSummary: \"The domestic price of iPhone 5S starts at RMB 5,288, and the price of iPhone 5c starts at RMB 4,488. In mainland China, iPhone 5S 16GB\/... Or convert the price of the Chinese official website into the price of the US official website, which is US$3,288\/(1+17%)\/6.1317=458.32...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.18 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":209,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 209\nTitle: \"The price of 128G iPhone 6S in China has reached 20,000 yuan_Domestic News_Global Network\"\nSummary: \"September 11, 2015 - The 5.5-inch 16GB version of the iPhone 6S in black, white, and gold is priced at 16,800 yuan, while the rose gold version is 2,000 yuan more expensive, at 18,800 yuan. The most expensive 128GB version, regardless of color, requires a price of 21,000 yuan. Not only the price...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":210,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 210\nTitle: \"The price of 128G iPhone 6S in China has reached 20,000 yuan_Domestic News_Global Network\"\nSummary: \"September 11, 2015 - The 5.5-inch 16GB version of the iPhone 6S in black, white, and gold is priced at 16,800 yuan, while the rose gold version is 2,000 yuan more expensive, at 18,800 yuan. The most expensive 128GB version, regardless of color, requires a price of 21,000 yuan. Not only the price...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":211,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 187.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 211\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store): \"Tsinghua University Swimming Pool, which hosted the Olympic Games...\"\nSummary: \"dazongmei Tsinghua Swimming Pool, which hosted the Olympic Games, is indeed well-deserved. From the equipment to the water quality, it is much better than the general school swimming pool! I swam there several times and really enjoyed it! ! Sometimes you do have to wait for a while, but it is really worth it, strong...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.81 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":212,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 187.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 212\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 100.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":213,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 187.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 213\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.91 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":214,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Chen Ming Swimming Pool\"\nQuery Dwell Time: 59.09 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 214\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":215,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 475.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 215\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.42 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":216,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 305.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 216\nTitle: \"Comparison between \"Vikramaditya\" and Liaoning, Indians cried after watching it_India Bar_Baidu Post Bar\"\nSummary: \"Comparison between \"Vikramaditya\" and Liaoning, Indians cried after watching it. Only read the original poster. Collect. Reply to reality depression. King Kong 8. India has an aircraft carrier \"Vikramaditya\" (Sea Super Sun King). Indian experts said that this aircraft carrier will \"...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.58 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":217,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 305.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 217\nTitle: \"Comment: A direct comparison between the domestically produced aircraft carrier and the Liaoning\"\nSummary: \"A direct comparison between the domestically produced aircraft carrier and the Liaoning. The United States made shocking remarks, and the countries surrounding the South China Sea were slapped in the face! The United Nations criticized Japan with 218 recommendations, and Abe was infuriating. The United States was involved in a big incident, and Europe was hysterical and collectively criticized Russia. Qianlong left a life-saving talisman for Heshen...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.83 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":218,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 305.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 218\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 249.03 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":219,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 222.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for new employees, about 10 people\"\nQuery Dwell Time: 206.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 219\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":220,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 222.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for new employees, about 10 people\"\nQuery Dwell Time: 206.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 220\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"The following are team games suitable for employee training compiled and recommended by J.L, editor of Fresh Graduates Network. Please read for reference. Thousands of Smiles Project Type: Team Game Project Type: About 10 people per group Time: 3 minutes Venue: Indoor and outdoor...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":221,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended tourist attractions around Beijing\"\nQuery Dwell Time: 20.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 221\nTitle: \"\u3010National Day Beijing Tour\u30112017 National Day Beijing Tour Location Recommendations, National Day Beijing Tour Guide...\"\nSummary: \"Here, you can feel the imprint of history and the prosperity of modern times. It is definitely a good place to visit around Beijing during the National Day holiday. Recommended attractions in Tianjin: Wudadao: Wudadao is an indispensable scene in Tianjin postcards. It is one of the first famous historical and cultural streets in China. Leisure...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.86 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":222,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended travel around Beijing for one week\"\nQuery Dwell Time: 90.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 222\nTitle: \"\u301058.com\u3011Beijing Tourist Attractions List_Beijing Tourist Attractions Recommendations_Beijing Tourist Route Quotes\"\nSummary: \"Beijing Enxiaoxing Tourism Culture Co., Ltd. is located in Hengou, Nanfang, Fangzhuang Bridge, Fengtai District, Beijing... (Today) This price is only for reference. If you have any questions, please call our hotline: 01... (Today) Holidays need to be booked about a week in advance...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 56.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":223,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended travel around Beijing for one week\"\nQuery Dwell Time: 90.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 223\nTitle: \"[Beijing May Day Tour Recommendations] More than 50 attractions for May Day tours around Beijing - Mafengwo\"\nSummary: \"It covers 8 boutique tourist routes and 10 key destinations planned around Beijing's spring outings, flower viewing, cycling and other fun things in late spring and early summer, and also launched 55 tourist activities held in various districts and counties during the May Day Golden Week. Recommended routes: 1. Xiangshan Park...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":224,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel recommendation platform\"\nQuery Dwell Time: 68.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 224\nTitle: \"China Tourism Service Platform_Outbound Tourism Recommended Price Inquiry_Self-guided Tour Guide_Global Target...\"\nSummary: \"Start out rather than envy Diving the sea with fish swimming Eating around the world are the highest level of travel Sleeping all...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":225,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel recommendation platform\"\nQuery Dwell Time: 68.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 225\nTitle: \"Travel to Shangrao - Shangrao online tourist attractions, ecological agricultural products, specialty products, shopping and travel guide platform\"\nSummary: \"You Shangrao provides recommendations on Shangrao tourist attractions, green agricultural products and specialties of Shangrao tourist attractions, Shangrao travel guide, Shangrao travel... You Shangrao Tourism E-commerce Platform Legal Statement You Shangrao sincerely invites enterprises and institutions in Shangrao to strategically...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":226,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended tourist attractions around Beijing\"\nQuery Dwell Time: 249.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 226\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.03 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":227,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended tourist attractions around Beijing\"\nQuery Dwell Time: 249.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 227\nTitle: \"2017 Beijing Surrounding Tourist Attractions List_Beijing Suburban Attractions Recommendations\"\nSummary: \"2017 Beijing surrounding tourist attractions list_Beijing suburban attractions recommendation, we can arrange travel routes for the requirements of corporate teams, according to the customer's car standards, accommodation standards, dining standards, special needs (hot springs, expansion, red, picking...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 149.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":228,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings One Week Tour\"\nQuery Dwell Time: 103.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 228\nTitle: \"Beijing One-week Self-guided Tour_Beijing Self-guided Tour Guide\"\nSummary: \"These days, the kids are on holiday and we are free, so we decided to travel to Beijing for a few days to feel the Olympic atmosphere. D1 Day For some reason, the air tickets from Hangzhou to Beijing are relatively cheap these days. We bought Air China's 30% off...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":229,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings One Week Tour\"\nQuery Dwell Time: 103.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 229\nTitle: \"[One-day tour in Beijing and surrounding areas | One-day tour attractions recommended | One-day tour group purchase] - Beijing Ganji.com\"\nSummary: \"Beijing Ganji.com One-day Tour Channel is the largest one-day tour service information free query and release platform in Beijing and its surrounding areas, including Beijing... Let tourists eat with confidence, stay comfortably, and have fun (1 week ago) Tourism Services (1 week ago) With the goal of \"making the journey more convenient...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":230,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding travel one week save money and convenient\"\nQuery Dwell Time: 135.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 230\nTitle: \"[There are mountains and water! Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas]_...\"\nSummary: \"Here you are, there are mountains and water! Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas Scan the QR code to read the post on your phone. The APP is fast and you can read the post anytime, anywhere. Level: High school students (first grade) Region: Beijing Model: Cruze ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":231,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding travel one week save money and convenient\"\nQuery Dwell Time: 135.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 231\nTitle: \"I want to take my parents to Beijing for the National Day holiday, which will take about a week. Can anyone give me a detailed guide? - ...\"\nSummary: \"Mafengwo Q&A > I want to take my parents to Beijing for National Day, the time is about a week, please give me a detailed guide. I want to take my parents to Beijing for National Day, but I don\u2019t know how to have fun? Because my father is seriously ill and is not suitable for a very tiring itinerary, so I plan...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":232,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 45.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 232\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":233,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to choose a fixed gear bike\"\nQuery Dwell Time: 139.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 233\nTitle: \"How to choose a fixed gear bicycle? - Zhihu\"\nSummary: \"Log in Join Zhihu How to choose a fixed gear bike? Show all Followers Viewed Add a comment Share Invite to answer Follow the question Write an answer Does anyone know how to check the size of a fixed gear tire? 0 Add a comment Share Collect Thanks Close\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":234,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to choose a fixed gear bike\"\nQuery Dwell Time: 139.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 234\nTitle: \"5 things to remember when choosing a fixed gear bike?\"\nSummary: \"Usually, there is no specific standard for choosing a fixed gear bike. In fact, it is very simple. Usually, we pay attention to the size of the top tube and seat tube of a fixed gear bike. How to distinguish the genuine Forever brand fixed gear bike? Guangdong ICP preparation...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 67.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":235,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to choose a fixed gear bike\"\nQuery Dwell Time: 139.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 235\nTitle: \"What is a fixed gear? How to choose and ride a fixed gear (7) - Sanjiu Health Hall\"\nSummary: \"Speaking of fixed gear, many young people should know that it is a very cool sport. Many trendy people like fixed gear, not only because of the bright colors, which can show personality, but also because of the various braking techniques, which are also very challenging. Today, Xiao...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":236,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where can I buy a fixed gear bicycle?\"\nQuery Dwell Time: 16.38 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 236\nTitle: \"[07-31]Do you know where to buy fixed gear bicycles? _Xiaoyu Q&A_Xiamen Xiaoyu Community_Xiamen...\"\nSummary: \"Bicycles for sale? What is a fixed gear? What is that? Just search on Baidu. Don\u2019t you know? Last time I asked Renwoxing, they said they would have one. Where is Renwoxing? There is a Tuobu Bicycle store in Yuxiuli that sells fixed gears. Their official website. I have 888...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":237,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bikes How to Buy\"\nQuery Dwell Time: 63.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 237\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"The most serious problem is the habit of riding a bicycle. Many friends who ride fixed gear bicycles will make a mistake, staring at the front wheel. Especially for a fixed gear bicycle with poor braking ability, it is difficult to stop when encountering danger. If you still stare at the front wheel, you will...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 22.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":238,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bikes How to Buy\"\nQuery Dwell Time: 63.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 238\nTitle: \"Where to buy a fixed gear bicycle - fixed gear bicycle store - fixed gear bicycle speed - what is a fixed gear bicycle...\"\nSummary: \"Fixed Gear Bicycle Hot Recommendations The most popular fixed gear bicycles shared by netizens, where to buy fixed gear bicycles, fixed gear bicycle prices! Free shipping\/reverse riding DIY free color matching live fixed gear bicycles five dollars for a whole vehicle\/fixed gear bicycles\/women's fluorescent INBIKE high-end fixed gear bicycles...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.85 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":239,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bikes How to Buy\"\nQuery Dwell Time: 63.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 239\nTitle: \"Where can I buy a fixed gear bicycle at a low price? - Home decoration interactive question and answer\"\nSummary: \"I want to buy two fixed gears. Anyone who knows about fixed gears can give me some advice? 1 answer Good furniture packaging. I suggest you go to local specialty stores to check it out. I didn\u2019t choose any online. Novice fixed gear bicycles: low-end ones are suitable for students to learn to ride for the first time. The online prices are around 600 yuan. The quality is good...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":240,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua fixed gear where to buy\"\nQuery Dwell Time: 31.35 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 240\nTitle: \"[Qinghe second-hand venue\/fixed gear|Qinghe second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Beijing Fixed Gear Park Bicycle Shop (100 meters north of the west gate of Tsinghua University, Zhongguancun, Haidian District, Beijing\u2026Haidian - Tsinghua University\/ 10-28 2168 yuan 1 free subscription Qinghe venue\/Fixed Gear related information Qinghe venue\/Fixed Gear brand navigation A Qinghe venue\/...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":241,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear store near Tsinghua University\"\nQuery Dwell Time: 67.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 241\nTitle: \"Fixed Gear Store Prices_List.com Q&A\"\nSummary: \"A: There is a physical store selling fixed gear near the west gate of Tsinghua University. A: 1. Uriage fixed gear. Uriage fixed gear is located in Wudaoying Hutong, Lama Temple. The store is not big, but the range of parts and colors is quite wide. The price is also the most expensive in Beijing, starting at about 2800...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":242,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear price range\"\nQuery Dwell Time: 90.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 242\nTitle: \"\u3010Photo\u3011380 new coaster with brakes, selling at a discount price below factory price to clear stock. Last 200 units, sold out - ...\"\nSummary: \"Statement: All models are priced between 200 and 2000, and the highest end is no more than 6000. The manual, warranty, and invoice are complete. ... 380 new coaster with brakes, sold at a discount below the factory price to clear the inventory. The last 200 units, sold out\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 76.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":243,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage instructions for flying to the United States\"\nQuery Dwell Time: 312.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 243\nTitle: \"How much carry-on luggage can I take on international flights? - Mafengwo\"\nSummary: \"Generally, the luggage of low-cost airlines is purchased separately. Other flights to the United States are generally around 23Kg~30Kg (economy class), and the hand luggage is generally 8Kg per person (one bag per person, and a small cross-body bag is not counted) Copyright business card? Going on your own is the most luxurious thing in life...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 56.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":244,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage instructions for flying to the United States\"\nQuery Dwell Time: 312.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 244\nTitle: \"[Airplane luggage] How much luggage can you carry on a plane to the United States? Including checked luggage and carry-on luggage...\"\nSummary: \"[Airplane luggage] How much luggage can be carried on a plane to the United States? Including checked luggage and carry-on luggage. Friendly reminder: Recently, there is a saying in the United States that 19-inch luggage is not allowed on board, and 20-inch luggage is not allowed (please check)\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 154.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":245,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage instructions for flying to the United States\"\nQuery Dwell Time: 312.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 245\nTitle: \"Guide to using luggage when traveling to the United States - Luggage size and weight regulations of major airlines -\"\nSummary: \"However, when you arrive in the United States and fly to other small cities, there may be small planes that cannot be carried in the luggage compartment. But don't worry, this carry-on baggage will not be counted as your checked luggage. You can still pull the baggage to the boarding gate, but on the boarding...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 76.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":246,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage size and weight restrictions for flights to the United States\"\nQuery Dwell Time: 82.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 246\nTitle: \"The latest regulations on checked baggage for each airline flying to the United States_US air tickets and travel\"\nSummary: \"(114 linear cm) Carry-on bag: UA does not have specific regulations for this, but only states that it should be large enough to fit under the seat. 3. Continental (Continental Airlines, which has merged with UA, has the same baggage requirements as UA. Please Refer to above...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":247,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage do you need to carry on your flight to the United States?\"\nQuery Dwell Time: 42.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 247\nTitle: \"[Requirements for boarding a plane] What are the requirements for bringing luggage to the United States? \/ I heard that it seems that you can't bring carry-on luggage now...\"\nSummary: \"[Requirements for boarding the plane] What are the requirements for bringing luggage to the United States? \/ I heard that it seems that you can't bring anything on the plane with you now? ? ... 2. Can you bring a fruit knife on the plane? No. Knives cannot be brought on board and must be checked in. 3. Liquids, gels and sprays...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.83 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":248,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage do you need to carry on your flight to the United States?\"\nQuery Dwell Time: 42.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 248\nTitle: \"Questions about carry-on baggage for domestic flights in the United States - Yue Travel\"\nSummary: \"Because the navigator has batteries, it must be carried with you and cannot be checked in. Carrying the navigator with you When I went to the United States, the navigator was also checked in. I was going to fly from LA to NYC on October 2. I heard that there is no free luggage on domestic flights in the United States. The two of us only brought one...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":249,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage do you need to carry on your flight to the United States?\"\nQuery Dwell Time: 42.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 249\nTitle: \"The latest regulations on checked baggage for each airline flying to the United States_US air tickets and travel\"\nSummary: \"The latest regulations on checked baggage for American Airlines American Airlines checked luggage... in\/25cm height.) Carry-on bag (laptop bag): The AA official website does not specify that a carry-on bag is allowed... This...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.44 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":250,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage must be checked in when flying to the United States?\"\nQuery Dwell Time: 28.79 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 250\nTitle: \"New regulations for checked baggage when flying to the United States [Numbers speak... We can't afford to mess with checked baggage] - [Everyone shares...\"\nSummary: \"So the baggage check-in before boarding is more or less different for each airline, such as price, weight limit, etc. Let's take a look at the new regulations of some airlines in the United States and China for checked baggage. First of all, I would like to remind you...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.56 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":251,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage must be checked in when flying to the United States?\"\nQuery Dwell Time: 28.79 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 251\nTitle: \"USA Luggage Shipping Page 8 - Yue Travel\"\nSummary: \"Except for one domestic section in the United States, which is an AA flight, the rest of the flights, including domestic flights to the United States, are all UA flights. May I ask why... 2. If there are liquids in the health products, they cannot be placed in hand luggage and must be checked in. It's OK~ Generally, they are placed in the box...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":252,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What can't you bring on board when flying to the United States?\"\nQuery Dwell Time: 105.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 252\nTitle: \"I need to take a plane to study abroad. How heavy can I bring? What can't I bring on the plane?\"\nSummary: \"Digital camera (you can also buy it in the US, but SD cards are more expensive in China and the US) Computer accessories: Network cable (rented outside... You can look at what is written on the ticket. Generally, student tickets are about 30kg, and hand luggage is 5-8kg. Liquids cannot be brought on board,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":253,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.08 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 253\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":254,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 136.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 254\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.18 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":255,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 136.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 255\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.1 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":256,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 154.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 256\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.48 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":257,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 154.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 257\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"Ten best ways to quit smoking. A must-read guide for beginners of Attack on the Devil. Game guide of Attack on the Devil. Video guide of the hidden maze of Final Fantasy 15. How to pass the maze of Final Fantasy 15? A quick guide for beginners of Everyday Speed. Guide of Everyday Speed \u200b\u200bfor Onmyoji...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.74 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":258,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 154.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 258\nTitle: \"How to quit smoking_How to quit smoking-Yiche.com\"\nSummary: \"He may tell you some ways to quit smoking, or introduce you to a smoking cessation program organized by a local community. ... The best and most effective way to quit smoking - Changpei Quit Smoking Do you know the best way to quit smoking? The best way to quit smoking recommended by doctors...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":259,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 259\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.08 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":260,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 260\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.69 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":261,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 261\nTitle: \"Google Glass will remove restrictions on mobile phone types for many functions | Google Glass | mobile phone | function_Internet_...\"\nSummary: \"May 3, 2013 - On the evening of May 3, Beijing time, the US technology blog TechCrunch reported that a person from Google in New York said this week that the functions provided by Google Glass will be independent of the mobile phone it is paired with in the future, and will even be independent...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.83 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":262,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 262\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.44 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":263,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 263\nTitle: \"What are the functions of Google Glass?\"\nSummary: \"\u3010Introduction\u3011Wuyoukao.com has compiled the following application functions of Google Glass for everyone, hoping to be helpful to everyone. Feature 1: Small but powerful Google Glass contains a lot of high-tech, including Bluetooth, Wi-Fi, speakers, cameras...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":264,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Use\"\nQuery Dwell Time: 57.09 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 264\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"At the same time, press the button on the front of the base to synchronize, so that your Google Glass can be used wirelessly. Attachment: Please make sure that the mouse is at a suitable distance from the power base and there is no strong electromagnetic interference nearby. (2017-11-...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.59 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":265,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Use\"\nQuery Dwell Time: 57.09 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 265\nTitle: \"Google Glass official user guide released - CSDN Blog\"\nSummary: \"Therefore, Google recently released a guide to using the device for Google Glass explorers: What you can or need to do is: 1) Explore the world around you: When you wear Google Glass to explore the world around you, keep your head up and never look down...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":266,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 177.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 266\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass [ati bar]_Baidu Post Bar\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.17 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":267,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 177.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 267\nTitle: \"The correct use of Google Glass-PPS video\"\nSummary: \"Press and hold the video to drag the correct usage of Google Glass People have subscribed to play: Download | Coming soon Loading...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 110.07 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":268,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 177.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 268\nTitle: \"Google: The correct way to use Google Glass: Micro-interaction - Internet - Vision Forum - Microsoft Geeks...\"\nSummary: \"According to the BBC, Google recently warned people not to use Google Glass for a long time because it may cause pain. Google said that Google Glass is not for reading \"War and Peace\" and the eyes need time to adapt. Previously, some users complained that wearing Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.52 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":269,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 269\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.73 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":270,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 270\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.7 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":271,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 271\nTitle: \"How much does Google Glass cost?\"\nSummary: \"If you look closely, you will know the difference. How much does Google Glass cost now? Where can I buy it? A few days ago, there was a limited sale, the price was $1,500. And it was only sold in the United States. And it was only sold for one day. So there is no place to sell it now, of course...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.99 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":272,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 272\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.85 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":273,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 273\nTitle: \"Google Glass for sale Google Glass price - Zhiqu.com\"\nSummary: \"Google Glass features include adjustable nose pads, a 5-megapixel camera, and micro-USB charging. From the official... KitKat operating system. Currently, this pair of glasses is available for sale at the merchant \"Jindong Huihuang\" for 18,500 yuan. If you need...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":274,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 274\nTitle: \"Google Glass for sale Google Glass price - Zhiqu.com\"\nSummary: \"Google Glass features include adjustable nose pads, a 5-megapixel camera, and micro-USB charging. From the official... KitKat operating system. Currently, this pair of glasses is available for sale at the merchant \"Jindong Huihuang\" for 18,500 yuan. If you need...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":275,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 275\nTitle: \"Google Glass was launched for sale yesterday: the price is over 10,000 RMB_IT Breaking News_Nanfang.com\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 16\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":276,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 276\nTitle: \"Priced at $1,500, is Google Glass worth it? Anhui Daily\"\nSummary: \"May 15, 2014 - Google may release a \"consumer version\" of Google Glass later this year, and said that the price of the glasses will be much lower by then. Xinhua News Agency reporter Ma Dan (According to Xinhua News Agency San Francisco May 13)\"\nRank: 20\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":277,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 58.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 277\nTitle: \"How much does Google Glass cost?\"\nSummary: \"Google Glass is pretty good, and its functions are very powerful: Feature 1: Small but powerful Google Glass contains a lot of high-tech, including Bluetooth, Wi-Fi, speakers, cameras, microphones, touch pads and gyroscopes that help you detect tilt. And the most...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":278,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 58.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 278\nTitle: \"How much will Google Glass sell for in China? -Googleglass 3 - ZOL Q&A\"\nSummary: \"How much will Google Glass sell for in China? Views Followers You can invite high-quality answerers to answer your questions faster hocok has 1660 answers in the mobile digital category ace09 has 664 answers in the mobile digital category In mobile digital...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":279,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 279\nTitle: \"iPhone 6 will be launched in China on the 17th of this month, and the price of parallel imports has dropped by 60% - Society - Shunwang News\"\nSummary: \"October 6, 2014 - The new iPhone will be launched in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5288 yuan and 6088 yuan respectively. Plus will be launched in mainland China on October 17. The sudden news made Apple fans very happy...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":280,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 280\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"Apple fans in China are finally waiting for the new iPhone to be released. It is reported that the Ministry of Industry and Information Technology has confirmed the release of the Internet license for iPhone 6. The new iPhone will be released in China on October 17. The prices of iPhone 6 and iPhone 6 Plus are 5288 yuan and...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 95.86 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":281,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 281\nTitle: \"iPhone 6 will be launched in China on the 17th of this month, and the price of parallel imports has dropped by 60% - Society - Shunwang News\"\nSummary: \"October 6, 2014 - The new iPhone will be launched in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5288 yuan and 6088 yuan respectively. Plus will be launched in mainland China on October 17. The sudden news made Apple fans very happy...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":282,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 282\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"Apple fans in China are finally waiting for the new iPhone to be released. It is reported that the Ministry of Industry and Information Technology has confirmed the release of the Internet license for iPhone 6. The new iPhone will be released in China on October 17. The prices of iPhone 6 and iPhone 6 Plus are 5288 yuan and...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":283,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Is there any tax if I bring iPhone 6 back from Hong Kong?\"\nQuery Dwell Time: 25.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 283\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":284,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 130.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 284\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"Broadway and Fortress are the main places that sell iPhones in Hong Kong, but these places will \"force\" you to buy some extras... Online booking If you want to order on the official website in Hong Kong, you must first have a dual-currency credit card (visa,...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.58 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":285,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 130.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 285\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.1 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":286,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 130.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 286\nTitle: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? - Mafengwo\"\nSummary: \"iPhone6 \u200b\u200bcan be bought directly in , it is in stock, no reservation is needed, the store staff will patiently explain everything to you, and will teach you how to use it even if you don't know how to use it, and help you register and activate it. The chance of being checked is not very high, but if it is checked, you will have to pay about...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 95.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":287,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 287\nTitle: \"Do Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":288,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 288\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks_NetEase Technology\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":289,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 289\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":290,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 290\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":291,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where is Tsinghua Swimming Pool?\"\nQuery Dwell Time: 25.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 291\nTitle: \"...(near Wudaokou) How to get there, Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Location...\"\nSummary: \"The map of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) will help you find where Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is. You can also find the route to Chen Ming Swimming Pool (Tsinghua University Swimming Pool) from the map.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":292,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 96.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 292\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":293,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Winter Time\"\nQuery Dwell Time: 147.21 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 293\nTitle: \"...Tsinghua University Swimming Pool Store Business Hours Details - How to get to Tsinghua University Swimming Pool and Public Transportation Information\"\nSummary: \"Special offer circle provides discount activities for shops in Tsinghua University Swimming Pool in Beijing, reviews of Tsinghua University Swimming Pool life consumption, leisure and entertainment Tsinghua University Swimming Pool, No. 30 Shuangqing Road, Haidian District, Tsinghua University (near Wudaokou)\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 93.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":294,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Student Ticket Price\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 294\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"Ji_Mi Yangguang's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The student price of 7 yuan is still very cheap, and there are often many people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, and there are diving...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":295,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Student Ticket Price\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 295\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"A very good swimming pool. The water temperature in winter...\"\nSummary: \"DPCNM's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): Very good swimming pool. The water temperature is suitable in winter, and there is floor heating, which is very comfortable. It is very cheap for students, faculty and staff and their families on campus, but there are a lot of people, and the shallow water area is basically...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":296,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Student Ticket Price\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 296\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":297,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 58.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 297\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"(400 yuan, 40 times, valid for 2 months. I used to buy 300 yuan for 30 times and valid for 3 months, but now it is no longer available). If you don\u2019t use it too often, you can buy a 3-month season pass issued by the Haidian Swimming Pool, which is slightly more expensive than the one at Tsinghua University\u2026\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":298,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 298\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.19 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":299,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 299\nTitle: \"For sale Tsinghua University Chen Ming Swimming Pool Teacher Card Sarah Shuimu Community\"\nSummary: \"[upload=1][\/upload] The card has 30 times in total and 15 times are unused. It is sold for 100 yuan. Note: You need to bring your Tsinghua faculty ID to go swimming. If you need it, please contact us on the site\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":300,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 300\nTitle: \"HeidiJJ's review on Chenming Swimming Pool (Tsinghua University Swimming Pool) -...\"\nSummary: \"I miss the time when I was in school. If I applied for a 30-time card, I could enjoy a discount of 5 yuan per time. The bathhouse in Tsinghua University (at least when I was in school... Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store)\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.2 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":301,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 301\nTitle: \"[Information] Transfer of an anonymous Chen Ming Swimming Pool 30-time student card (new)\"\nSummary: \"Post number: 5 Page: Share to: Article topic: [Intelligence] Transfer of an anonymous Chen Ming Swimming Pool 30-time student card (brand new) Hungry stomach Identity User Article Constellation Scorpio Points Level Yunshan (7) Sender: cdjqsh (Hungry...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":302,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much is the Tsinghua University swimming card?\"\nQuery Dwell Time: 54.37 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 302\nTitle: \"Transfer Tsinghua University Swimming Card_Huilongguan Online Trading Market_Huilongguan Community Network\"\nSummary: \"I bought two swimming cards before the price of Tsinghua University increased on October 1. Now I am busy with the teaching evaluation of Forestry University and I have no time to go swimming. I still have 13 three-hour sessions on the swimming card. The current price of Tsinghua University is...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":303,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 359.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 13.86 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 303\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":304,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 359.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 333.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 304\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.13 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":305,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 292.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 305\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 193.53 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":306,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 292.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 306\nTitle: \"\"Ice Breaking\" Game_ Life Guide Success Inspirational Network\"\nSummary: \"This \"icebreaker\" game helps people relax and become willing to socialize and learn from each other. Several ways to play this game: Examples of low-risk icebreaker games include: Let people introduce themselves. Two people form a pair, and each partner introduces the name of the other partner in the same group...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":307,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 307\nTitle: \"Ice-breaking game for new employee training\"\nSummary: \"Just like breaking the thick ice in winter. Ice-breaking games help people relax and become willing to communicate and learn from each other. Here in the game hall, we have prepared training games for new employees to get to know each other and familiarize themselves with the company. Ice-breaking games are a popular way for many trainers...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.34 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":308,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 308\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.7 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":309,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 309\nTitle: \"nan\"\nSummary: \"nan\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":310,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 310\nTitle: \"Collection of ice-breaking games for corporate training_ice-breaking games_party games\"\nSummary: \"1. First meeting The first 3 minutes is the most important moment for you to leave a first impression on others. Before the training activity begins, how to make everyone more active is the key to the success of the training. First meeting game: Step 1: 1. Give each person a...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":311,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 311\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Answer freely [Ice-breaking game] Number of participants: 4 people in a group Time: 15 minutes Venue: Unlimited Props: None Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Use to liven up the atmosphere before training and meetings Under great pressure...\"\nRank: 12\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":312,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game: 10 people\"\nQuery Dwell Time: 52.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 312\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":313,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game: 10 people\"\nQuery Dwell Time: 52.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 313\nTitle: \"Ice-breaking game: Find people in the same group_Chengzhi Development\"\nSummary: \"Activity type: Ice-breaking games\/grouping skills Activity form: All participants Time required: 5 to 10 minutes Venue requirements: Meeting room Required materials: Make several sets of puzzles, each set of puzzles consists of 4 boards Activity purpose 1. Liven up the atmosphere...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 36.84 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":314,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 77.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 314\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.94 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":315,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 315\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.74 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":316,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 316\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":317,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 317\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.6 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":318,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 318\nTitle: \"Beijing Surrounding Tours\"\nSummary: \"Collection Really complete, go one by one! Beijing surrounding tourist attractions Miyun County Jinshanling Great Wall Miyun Black Dragon Pool Baimaguan Fort Yunxiu Valley Natural Scenic Area Tianchi Nine Dragon Pool Black Mountain Temple Scenic Area Yunmeng Gorge Wuzuolou Forest Park Wuling Mountain Yunfeng Mountain Biqingyuan Wind...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 145.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":319,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding area tour one week\"\nQuery Dwell Time: 74.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 319\nTitle: \"Beijing One-week Self-guided Tour_Beijing Self-guided Tour Guide\"\nSummary: \"These days, the kids are on holiday and we are free, so we decided to travel to Beijing for a few days to feel the Olympic atmosphere. D1 Day For some reason, the air tickets from Hangzhou to Beijing are relatively cheap these days. We bought Air China's 30% off...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":320,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding area tour one week\"\nQuery Dwell Time: 74.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 320\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.33 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":321,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding area tour one week\"\nQuery Dwell Time: 74.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 321\nTitle: \"\u3010Beijing District Tours | Surrounding Tours | Surrounding Tours Travel Network\u3011-Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com's Suburban Tours channel is a professional free inquiry and release platform for Beijing's suburban tours service information, including suburban tours, surrounding tours, surrounding tours travel websites, suburban tours service telephone numbers, prices and other information. To find Beijing suburban tours services, please go to Ganji.com...\"\nRank: 11\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":322,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 322\nTitle: \"A review of eight characteristic towns around Beijing in 2015 - Beijing suburbs holiday resorts and leisure destinations_Tourism_CCTV.com...\"\nSummary: \"Come and have a look at the characteristic towns around Beijing with your money! Miyun Gubei Water Town Gubei Water Town is located in Gubeikou Town, Miyun County, Beijing. It is backed by the most beautiful and dangerous Simatai Great Wall in China and sits on the Yuanyang Lake Reservoir. It is a rare natural town combining mountains, water and city in the suburbs of Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.0 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":323,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 323\nTitle: \"The five most fashionable resorts around Beijing_Beijing Tourism Network\"\nSummary: \"Today, the editor of Beijing Tourism Network recommends several stylish resorts for you, so that you can see the world without leaving Beijing! Huairou Queenstown: Invite you to watch the stars in the attic Do you know the leisure and holiday community in Queenstown? You must say: I know, in New Zealand...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.77 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":324,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 324\nTitle: \"Vacation and leisure tours - Beijing 58.com\"\nSummary: \"For vacation and leisure travel, Beijing Sun City Olympic Club has joined RCI (Global Vacation Network). RCI has more than 4,200 resorts in 102 countries around the world. Through RCI's huge resort network, Beijing Sun City Olympic...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 151.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":325,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 325\nTitle: \"\u3010Elf Valley Resort Official Website\u3011|Miyun Tourism and Leisure around Beijing\"\nSummary: \"Beijing Surrounding Tourism | Miyun Tourism | Beijing Fairy Valley Resort integrates catering, entertainment, leisure, conferences, scenic area tours, and development training; since its establishment, it has become one of the large-scale and high-end comprehensive tourist resorts in Miyun's tourism industry. Whether you...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.7 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":326,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"5-Day Tour: Beijing Surroundings\"\nQuery Dwell Time: 101.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 326\nTitle: \"5-day tour around Beijing or more\"\nSummary: \"Ocean International Travel Agency Sitongqiao Branch Beijing 5-day tour price quote_Beijing 5-day tour best route_Beijing 5-day tour price_... Xinxin Travel Network (CNCN.com) provides you with 5-day tours around Beijing and above released by Xinxin high-quality travel agencies...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":327,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"5-Day Tour: Beijing Surroundings\"\nQuery Dwell Time: 101.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 327\nTitle: \"Beijing 5-day tour_Beijing 5-day tour route\"\nSummary: \"Beijing Tourism Network provides you with the five-day tours in Beijing and the five-day tours around Beijing published by Xinxin Quality Travel Agency. Beijing five-day tour price_Beijing five-day tour quotation_How much does it cost to travel to Beijing? Beijing China Travel Service Co., Ltd. Daguanying...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 89.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":328,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Mulan Paddock\"\nQuery Dwell Time: 61.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 328\nTitle: \"Mulan Weichang Tourism Network. Mulan Weichang\u2019s professional tourism consulting and landscape photography website!\"\nSummary: \"Mulan Weichang Tourism Network promotes the tourism route of Chengde Mulan Weichang Bashang Grassland, showcases the beautiful scenery of Mulan Weichang, provides Mulan Weichang Bashang horse riding, Mulan Weichang entertainment, Mulan Weichang roasted whole lamb, Mulan Weichang accommodation services, Mulan Weichang Bashang Grassland...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":329,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 244.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 329\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.42 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":330,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 244.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 330\nTitle: \"Fixed Gear Bike_Bicycle_Company_China Bicycle Network\"\nSummary: \"China Bicycle Network Fixed Gear Bicycle Company Yellow Pages brings together tens of thousands of fixed gear bicycle manufacturers. You can check the company details, credit records, fixed gear bicycle supply and demand information, product catalogs, etc. of fixed gear bicycle manufacturers here. China Bicycle...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":331,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 244.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 331\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 226.0 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":332,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 332\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.55 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":333,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 333\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 52.69 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":334,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 334\nTitle: \"Price of genuine fixed gear bicycle\"\nSummary: \"It's time for Japan to take the stage in the fixed gear bike market: Keirin is commonly known as a bicycle race on a track. This sport also has... The price of this brand is basically a bargain in the United States, but the product is still good. Recommended frame (but it is not mainstream in China...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":335,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 335\nTitle: \"Entry-level fixed gear bike prices\"\nSummary: \"So the overall price of small fixed gear is not as cheap as we imagined, but it is not exaggerated either. It is usually the same as the same... Kunming Fixed Gear - How much does a fixed gear bicycle cost? How much is a fixed gear bicycle suitable for beginners?\"\nRank: 14\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":336,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 336\nTitle: \"Fixed gear bicycle price\"\nSummary: \"Entry-level fixed gear bike price Entry-level fixed gear bike price Fixed Gear is the same type of bicycle as TrackBike (track bicycle), but the riding area is not limited to the stadium. In Japan, there are track bicycle competitions in the form of classic gambling...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":337,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 337\nTitle: \"What is the general price of a fixed gear bicycle?\"\nSummary: \"Feigu Fixed Gear Bicycle Colorful Bicycle Trendy Bicycle Road Bike You can freely choose the color matching DIY color matching Our products are sold directly by the factory. The factory specializes in manufacturing bicycles, mainly sold to the European and American markets, and the spare parts are all Taiwanese factory parts, quality assurance, and preferential prices...\"\nRank: 12\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.12 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":338,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 84.34 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 338\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.74 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":339,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 84.34 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 339\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Click on the image to see a larger image Product: 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Unit Price: Negotiable ...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.42 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":340,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy a fixed gear bike\"\nQuery Dwell Time: 60.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 340\nTitle: \"[Buying a fixed gear bike] Asking for advice! What are fixed gear bikes like? \u2014 Ask the Knowledge\"\nSummary: \"[Buying a fixed gear bike] Asking for advice! How is a fixed gear bike? It is still OK as a means of transportation, but some cities prohibit fixed gears from being used on the road. How to brake\/reverse on a fixed gear bike, mountain bike, ordinary commuter bike, downhill bike, climbing bike, etc.?\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.65 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":341,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy a fixed gear bike\"\nQuery Dwell Time: 60.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 341\nTitle: \"Luminous fixed gear bicycle price\"\nSummary: \"First of all, let me tell you that you are here to buy a fixed gear bike, not a piece of junk. Those fixed gear bikes that are advertised everywhere as 288 yuan a pack... For example, those fixed gear bikes that cost more than 200 yuan are no different from ordinary bicycles when they are pedaled. You call them \"fixed gears\"...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":342,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 272.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights - baggage regulations\"\nQuery Dwell Time: 260.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 342\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":343,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 272.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights - baggage regulations\"\nQuery Dwell Time: 260.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 343\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free checked baggage allowance for Dragonair's international flights is as follows: Passengers traveling to and from the United States and Canada can check in 2 pieces of luggage for free, and the weight of each piece of luggage must not exceed 32 kg; Passengers on other routes can check in 40 kg for first class and 40 kg for business class.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":344,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 272.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights - baggage regulations\"\nQuery Dwell Time: 260.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 344\nTitle: \"International Flight Baggage Regulations_Baidu Library\"\nSummary: \"Creator: tumbler 52 Collection: 29988 Views: Collection: User rating: 0.0 0 people have rated Introduction: International flight baggage regulations Keywords: No keywords Total 6 documents Format Document name User rating Views Download...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 90.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":345,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 345\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.59 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":346,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 346\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.22 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":347,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.11 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 347\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.03 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":348,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.11 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 348\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.19 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":349,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.11 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 349\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":350,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 124.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 350\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.06 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":351,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 124.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 351\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":352,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 124.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 352\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 91.38 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":353,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 63.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 353\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.55 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":354,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 63.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 354\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.46 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":355,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice hong kong\"\nQuery Dwell Time: 100.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 355\nTitle: \"Where to buy iPhone 6 cheapest? iPhone 6 price comparison and Hong Kong purchasing\"\nSummary: \"Below, Apple Garden editors have listed the initial prices of various versions of iPhone 6 in RMB, hoping to provide a reference for your purchase. (Calculated at the exchange rate on September 10, China time) Click the upper right corner to start booking Apple Hong Kong mobile phone Hong Kong: 16G ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":356,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice hong kong\"\nQuery Dwell Time: 100.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 356\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.22 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":357,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 357\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.67 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":358,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 358\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.17 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":359,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 359\nTitle: \"All questions about iPhone 6 when shopping overseas: strategies, models, tariffs, shipping and warranty_Geek Overseas...\"\nSummary: \"How to solve the problem of shipping iPhone 6 from overseas? How to buy ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":360,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 360\nTitle: \"Will bringing the Hong Kong version of the iPhone 6 into the country be considered smuggling? - Articles Clearance - China Customs Lawyers Network\"\nSummary: \">>I want to consult a professional lawyer. Will a Hong Kong woman be prosecuted if she is caught smuggling iPhones as a smuggler? Do I have to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? Is it considered personal use if I bring a mobile phone for a friend during the National Day holiday? The owner does not have...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.78 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":361,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 361\nTitle: \"All questions about iPhone 6 when shopping overseas: strategies, models, tariffs, shipping and warranty_Geek Overseas...\"\nSummary: \"How to solve the problem of shipping iPhone 6 from overseas? How to buy ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":362,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 362\nTitle: \"Apple fans buy iPhone 6 in Macau, and the price is still cheaper than Zhuhai after paying taxes_Sina Zhuhai\"\nSummary: \"September 11, 2014 - Mobile phones for personal use should be declared for customs duties. A reporter from Nandu learned yesterday that the tax rate for mobile phones in the \"import tax on luggage and mail items\" for passengers' own mobile phones has been reduced to 10%. The Hong Kong version of the iPhone 6 is priced at 16...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":363,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 363\nTitle: \"Which is better, the Hong Kong version of iPhone 6 or the Chinese version? _Computer network question_Tubatu ask\"\nSummary: \"But it can be repaired in mainland China. Due to tariffs, the price is higher than that of Hong Kong. In addition, Hong Kong supports 4G... And because the Japanese iPhone 6 & 6 Plus has an unlocked version for the first time and has always had an ultra-low price, it also makes...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 32.39 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":364,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 86.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 364\nTitle: \"Do the Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":365,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 86.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 365\nTitle: \"Mainland China missed Apple's first Hong Kong version of iPhone 6, and the price was nearly 10,000 yuan | iPhone | License | Operator_Sina Finance...\"\nSummary: \"September 11, 2014 - Apple's sudden change of heart has undoubtedly embarrassed domestic operators. Previously, the three major operators have been very active in iPhone 6 reservations and have opened reservation channels on their official websites. Shanghai Unicom announced at the beginning of this month that it could...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":366,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 366\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than domestic ones, and iPhone 6 is no exception. Many people who plan to travel to Hong Kong... About RMB 5691\/iPhone 6 Plus is about RMB 6404. But there are also some ways to buy an iPhone in Hong Kong...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":367,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 367\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt online appointment lottery, and then... This depends on personal luck. Although it is troublesome to buy Hong Kong version iPhone 6, the biggest obstacle is lack of money, of course...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":368,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 368\nTitle: \"What should I pay attention to when buying an iPhone in Hong Kong? What should I pay attention to when buying an iPhone 6 in Hong Kong? _Express Review...\"\nSummary: \"What should I pay attention to when buying an iPhone in Hong Kong? Can I use a credit card (UnionPay and MasterCard are supported)? Go through the UnionPay channel: In Hong Kong... Hello, the Hong Kong version of the iPhone 6 model is A1586. This is the three-network version. The Hong Kong version of the iPhone 6 has A1549 and A1...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 62.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":369,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 369\nTitle: \"If you buy the Hong Kong version of iPhone 6 in a store in Hong Kong, you need to unlock it after bringing it back to mainland China...\"\nSummary: \"If you buy the iPhone 6 Hong Kong version in a Hong Kong store, you need to unlock it after you bring it back to the mainland, right? [Picture] Answers Views Followers 8 Answers 15b The Hong Kong version is unlocked, but there is no warranty in the mainland. Considering the price and the fact that iPhones generally don't break...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.59 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":370,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 370\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.2 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":371,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 371\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":372,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 372\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":373,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 373\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":374,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 374\nTitle: \"[Tsinghua University Swimming Tickets | Tsinghua University Swimming Tickets Transfer Information] - Beijing 58.com\"\nSummary: \"Tsinghua University Swimming Tickets Channel provides you with Tsinghua University Swimming Tickets Inquiry and Tsinghua University Swimming Tickets Transfer Information for you to choose from. You can view and publish Tsinghua University Swimming Tickets Information and Tsinghua University Swimming Tickets Transfer Information for free. Thank you...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 58.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":375,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 375\nTitle: \"[Tsinghua University Chen Ming Swimming Pool Parking Lot] Tsinghua University Chen Ming Swimming Pool Parking Lot Phone, Tsinghua...\"\nSummary: \"Address: Near Chen Ming Swimming Pool, Tsinghua University, Haidian District, Beijing Phone No, I will add Category: Parking Lot Traffic Guide Bus stops near Chen Ming Swimming Pool Parking Lot, Tsinghua University: Dashiqiao, Dashiqiao South, Dashiqiao North, Qianbajia, Shuang...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.74 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":376,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 376\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":377,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 377\nTitle: \"Beijing - Tsinghua University Chen Ming Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Chen Ming Swimming Pool is located at Tsinghua University, No. 30 Shuangqing Road, Haidian District, Beijing. Tel: 010-62792477; 010-62792475. Sogou Map provides you with the location, map, bus query, and self-driving route of Tsinghua University Chen Ming Swimming Pool...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":378,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 378\nTitle: \"Tsinghua University Swimming Pool Tsinghua University Diving Pool_Map_Bus Route Query\"\nSummary: \"Aibang Bus Network provides bus route information to Tsinghua University Swimming Pool and Tsinghua University Diving Hall, bus route map query, driving route information, Tsinghua University Swimming Pool and Tsinghua University Diving Hall surrounding map, nearby bus routes, nearby signs...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":379,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 379\nTitle: \"Fangpianergeda's review of Chenming Swimming Pool (Tsinghua University Swimming Pool Branch)...\"\nSummary: \"Tsinghua University is proud of its swimming pool, which should be one of the best in the country's colleges and universities. The swimming pool is divided into a swimming area and a diving area. Usually only the swimming half is open to the public. The diving area is basically only open for competitions, diving team training, diving...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":380,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 380\nTitle: \"Phone number 010-62792475 (verified) - Chen Ming Swimming Pool, Tsinghua University, Beijing\"\nSummary: \"The company phone number of Beijing Tsinghua University Chen Ming Swimming Pool is 010-62792475. It also provides the company profile, main products, company website, company address, contact number, contact phone number, email address and other related information of Beijing Tsinghua University Chen Ming Swimming Pool...\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":381,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 43.73 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 381\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.75 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":382,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 131.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 382\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Information about China's Liaoning aircraft carrier.doc, \"Top\" Liaoning aircraft carrier model unveiled at Shanghai China Maritime Museum China Jingwei Net 2012-10-08 11:02:35 Font size: HYPERLINK \"\/zt\/js\/11-033\/3025165.html \"\\l\" # \"\\t\" _self\" Small...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 108.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":383,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Technical Parameters\"\nQuery Dwell Time: 45.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 383\nTitle: \"...officially handed over and commissioned, the following table shows some technical parameters of the \"Liaoning\" aircraft carrier: row...\"\nSummary: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially handed over and commissioned. The following table shows some technical parameters of the \"Liaoning\" aircraft carrier: displacement 67500t flight deck 300m*70m engine power 1.5*105kw draft...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":384,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 384\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"Although the Liaoning has been in service for a short time and still has a lot of work to do, it should have an advantage over the medium-sized aircraft on Charles de Gaulle by virtue of its heavy aircraft advantages. In addition, the Rafale carrier-based model has been modified with its front wheels, which should affect its combat effectiveness. In this comparison, Liaoning...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":385,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 385\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"The Liaoning played a role in resolving the Diaoyu Islands dispute, but not as much as many people imagined. China has finally completed its settlement of the dispute over the Wa... From this point of view, China's \"institutional advantage\" is no longer an advantage, but rather a disadvantage - China's existing system...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":386,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 386\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it_NetEase News\"\nSummary: \"November 29, 2016 - [Global Network Military November 28 report] According to an article on the website of Japan's \"Diplomat\" magazine on November 26, after three years of training, Beijing announced that the \"Liaoning\" aircraft carrier and related air combat forces are ready for combat...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":387,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 387\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. In this special... Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.71 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":388,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 388\nTitle: \"Comment: A direct comparison between the domestically produced aircraft carrier and the Liaoning\"\nSummary: \"A direct comparison between the domestically produced aircraft carrier and the Liaoning. The United States made shocking remarks, and the countries surrounding the South China Sea were slapped in the face! The United Nations criticized Japan with 218 recommendations, and Abe was infuriating. The United States was involved in a big incident, and Europe was hysterical and collectively criticized Russia. Qianlong left a life-saving talisman for Heshen...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":389,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 389\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":390,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 390\nTitle: \"Comparison between Liaoning and other countries' aircraft carriers - CSDN Blog\"\nSummary: \"The 16th ship will soon leave Dalian Port and head to the naval aircraft carrier anchorage for a commissioning ceremony. The predecessor of the Liaoning is from Russia, as shown in the Varyag in the picture above, which is similar to the Russian \"Kuznetsov\" on the right. The displacement of the \"Varyag\" is...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":391,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 391\nTitle: \"US media: Liaoning cannot compare with US aircraft carriers and is still in the experimental stage_NetEase News\"\nSummary: \"August 12, 2016 - [Global Network Military August 12 report] On August 10, the website of the New York Times reported under the title \"Which country's aircraft carrier can compete with the United States' aircraft carrier?\" that aircraft carriers can be a very handy tool, especially in...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":392,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other countries' aircraft carriers\"\nQuery Dwell Time: 77.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 392\nTitle: \"The Liaoning aircraft carrier is indeed amazing, making other countries take notice\"\nSummary: \"Our aircraft carrier - Liaoning! Military photo gallery of China's first aircraft carrier Liaoning. US satellites took photos of China's Liaoning ship docked at the base... China's first aircraft carrier \"Liaoning\" officially commissioned. Congratulations on the handover of Liaoning aircraft carrier. The latest top ten beauties in South Korea are released. Change...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":393,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other countries' aircraft carriers\"\nQuery Dwell Time: 77.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 393\nTitle: \"List of active aircraft carriers in various countries Liaoning belongs to the middle echelon of the \"aircraft carrier club\" (photo) - International...\"\nSummary: \"November 27, 2012 - Among the aircraft carriers currently in service and under construction, only the French Charles de Gaulle is nuclear-powered, but its various parameters are much different. The predecessor of the Liaoning is the Varyag, which the former Soviet Union did not have time to build. It is similar to the Russian aircraft carrier currently in service...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":394,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 394\nTitle: \"China\u2019s first priority: Must re-evaluate the strategic value of aircraft carriers!\"\nSummary: \"It's time to reevaluate the strategic value of aircraft carriers! Don't make the same mistake again! In the United States, it's a common occurrence! Finally, I just want to say one thing: \"The status of aircraft carriers in the military is irreplaceable! Especially in the transition from conflict to war...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.71 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":395,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 395\nTitle: \"The tactical and strategic value of China's aircraft carriers - Military Horizons - Chinese Business Forum\"\nSummary: \"On the other hand, aircraft carriers are of course high-value targets. If they are sunk in a war, the impact will certainly be huge. For small and medium-sized opponents, the power of the aircraft carrier itself should be enough to defend itself. If it can't even do this, then the aircraft carrier is really useless...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":396,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 396\nTitle: \"A brief discussion on the strategic value of aircraft carriers to China\"\nSummary: \"October 13, 2003 - Based on China's current and potential strategic needs, as well as the weapons and technological development levels of its opponents, my view is that China needs aircraft carriers. I have found that some friends oppose China's possession of aircraft carriers for the following reasons: First, China's...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":397,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 397\nTitle: \"Varyag is not symbolic: aircraft carrier has greater strategic value\"\nSummary: \"Therefore, the strategic value of Varyag's commissioning is greater than its tactical significance. China's national defense strategy is an active defense strategy. Since it is a defense, China has no desire to actively attack the United States. Even if Chinese aircraft carriers cruise in the oceans, especially the Pacific...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.88 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":398,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 398\nTitle: \"Aircraft carriers are just tools to \"show their presence\". They only have global strategic significance, but no decisive value...\"\nSummary: \"Aircraft carriers are just tools to \"show off their presence\". They only have global strategic significance and no decisive battle value. 110.16.2 The United States can play with it because of its historical and political background, but the Chinese cannot afford it. Because of the historical, political, and social background...\"\nRank: 16\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":399,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 399\nTitle: \"Aircraft carriers are mobile airports at sea: their strategic and tactical value is irreplaceable - Xilu Eastern Military - Xilu.com\"\nSummary: \"The aircraft carrier is under the direct command of the Central Military Commission and is initially planned to be put into service in the South China Sea in the future. In the view of Air Force strategy researcher Qiao Liang, the aircraft carrier is a strategic weapon, but its real role as a campaign or even tactical weapon ended after World War II. Although the world...\"\nRank: 19\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":400,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 88.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 73.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 400\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.52 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":401,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 88.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 73.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 401\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.91 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":3}
-{"id":402,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 77.93 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 45.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 402\nTitle: \"Fixed Gear Bicycle Official Website\"\nSummary: \"Compared with ordinary bicycles, the difference between fixed gear bicycles may be that many fixed gear bicycles do not have brakes. Due to recent traffic accidents, many manufacturers have paid attention to this issue. Brakes are generally provided by the bicycle seller, and many people remove the brakes themselves. As for fixed gear...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":403,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 74.81 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 63.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 403\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":404,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 404\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":405,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 405\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":406,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights United States\"\nQuery Dwell Time: 160.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 406\nTitle: \"Checked baggage requirements for domestic flights in the United States - Qyer Q&A\"\nSummary: \"Checked luggage requirements for domestic flights in the United States. Can a box of 62*40*25 be brought on board? Q&A Pathfinder is good at questions from the United Kingdom, the United States, Austria, etc. It's too big. One side should not be more than 60. Different airlines have requirements...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":407,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights United States\"\nQuery Dwell Time: 160.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 407\nTitle: \"International flight baggage About the baggage and check-in of domestic flights in the United States to international flights _ Hui...\"\nSummary: \"International flight luggage About the luggage and check-in of domestic flights to international flights in the United States. I just edited it and the questions are gone.... Let me briefly talk about it. Thank you for your answers. I took DL5680 from Los Angeles to Seattle and then on the same day...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 98.8 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":408,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 408\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":409,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 409\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":410,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 151.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 61.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 410\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.5 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":411,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 151.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 56.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 411\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 39.55 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":412,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 583.43 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Hong Kong iPhone\"\nQuery Dwell Time: 53.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 412\nTitle: \"A complete guide to buying an iPhone 4 in Hong Kong_China.com\"\nSummary: \"1. Where can I buy an iPhone 4 in Hong Kong? Answer: If you want to buy an iPhone 4 at the original price, I tell you clearly not to dream about it. Just buy a licensed or parallel-imported iPhone in China. The price is higher...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":413,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 38.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 28.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 413\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.21 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":414,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 414\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 149.98 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":415,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 415\nTitle: \"Taiwanese media: Liaoning aircraft carrier issued a warning to Taiwan's Kangding ship not to approach_Phoenix Military\"\nSummary: \"May 9, 2017 - Author: Sasha This article is originally written by Sasha. If you reprint it, please be sure to indicate [Sasha's History Lecture Hall No. 283] (Military Series No. 140) In December 2016, what did the Liaoning aircraft carrier do when it bypassed Taiwan?\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":416,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 416\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 53.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":417,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 417\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.23 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":418,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 418\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":419,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 419\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of participants: 4 people per group Time: 15 minutes Venue: unlimited Props: none Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Used to liven up the atmosphere before training and meetings. Used under great pressure...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":420,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 420\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":421,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 421\nTitle: \"Ice-breaking game for new employee training\"\nSummary: \"Just like breaking the thick ice in winter. Ice-breaking games help people relax and become willing to communicate and learn from each other. Here in the game hall, we have prepared training games for new employees to get to know each other and familiarize themselves with the company. Ice-breaking games are a popular way for many trainers...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":422,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 422\nTitle: \"Ice-breaking games for on-the-job training_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for instructors) small plush toys, ping-pong balls, small plastic... Clothing...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.08 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":423,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing\"\nQuery Dwell Time: 77.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 423\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Tourist attractions around Beijing - Saihanba This place has almost become Beijing's back garden. People who love photography and outdoor activities... If you still want to go to Badaling, then you definitely don't want to travel, you want to go back and show off to your relatives and friends how many people there are in Beijing! Baihexia...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":424,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing\"\nQuery Dwell Time: 77.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 424\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":425,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing\"\nQuery Dwell Time: 77.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 425\nTitle: \"Fun places around Beijing: You can go traveling on weekends~_Life_Yueji.com\"\nSummary: \"\u3010Yueji.com\u3011Fun places around Beijing: You can go out for a trip on weekends~ : How long have you not left this city... What are you waiting for? Choose a place you like and go with your friends on weekends~ Lingshui Village: There is a Ming and Qing Dynasty village in the west of Beijing...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.2 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":426,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 426\nTitle: \"2017 Latest Beijing Surrounding Tourist Attractions Traffic Map Query, Beijing Surrounding Tourist Attractions Traffic Map High...\"\nSummary: \"2017 latest Beijing map query, the latest version of Beijing map HD version, providing electronic map information, including Beijing administrative map, traffic map, tourist attraction map and other types of map downloads, providing travel and other practical information for travelers, 8264.com...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 57.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":427,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 427\nTitle: \"Top 10 must-see places in Beijing, Beijing travel guide - Mafengwo\"\nSummary: \"It has been four years since its establishment. The legendary Maizidian is the \"Second Airport Auxiliary Road of Beijing\". Due to the surrounding five-star... 1. Horseback riding price: 30 yuan\/person\/hour (free admission) Horse racing 50 yuan\/person\/hour 2 Jeep 200 yuan\/hour 50 yuan\/circle 3... I wish you can experience the memories of Beijing from the mottled shadows of the trees. It seems that I don't like it very much. If it is really necessary to go with a...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":428,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 428\nTitle: \"\u3010Beijing and surrounding transportation and tourism map\u3011Price, manufacturer, picture, inventory book, Beijing Yutian...\"\nSummary: \"Provides relevant company introduction and product information of Beijing Yutianxingqiu Book Co., Ltd., mainly focusing on Beijing and surrounding transportation and tourism maps, including Beijing and surrounding transportation and tourism map prices, Beijing and surrounding transportation and tourism map manufacturers, etc. If you want to know more...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.57 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":429,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 429\nTitle: \"I am going to Beijing for the National Day holiday. Where can I find a good place to stay with a price of 150-200 and convenient transportation? _...\"\nSummary: \"Located near CCTV\/West Railway Station, newly renovated, cheap, comfortable environment Beijing Metropolitan New Mingji Hotel (Economy... Island transportation: tricycle 35\/half day 3. Mangrove tour: no bus, taxi 200 yuan\/day 4. Xingdao Lake tour: no bus...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":430,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 430\nTitle: \"\u301058.com\u3011Beijing Tourist Attractions List_Beijing Tourist Attractions Recommendations_Beijing Tourist Route Quotes\"\nSummary: \"Beijing Youth Travel Service Co., Ltd. Dongcheng First Sales Office Related Tips: 1. The tour guide will recommend the self-funded projects already indicated in the itinerary, and the tour time and price have been noted... (14 hours) l***0 Famous Store Recommendation Beijing Domestic Tour Introduction: 58.com Beijing...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":431,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 431\nTitle: \"Beijing Tourism Network: \"This website mainly introduces some scenic spots around Beijing, including tourist routes...\"\nSummary: \"abc6866's comments on Beijing Tourism Network: This website mainly introduces some scenic spots around Beijing, including travel routes, quotes, accommodation, transportation, etc. I think it is a relatively practical website. If you want to go out for a trip, you can...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":432,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel, transportation and accommodation around Beijing\"\nQuery Dwell Time: 83.37 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 432\nTitle: \"Looking for a four-day travel guide to Beijing, where is the closest transportation and attractions? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Looking for a four-day travel guide to Beijing. How to travel conveniently near transportation and attractions? 345 views 0 people follow Follow Answer 3 answers [The author accepts] http:\/\/www.bjbus.com\/map\/index.php?uTab=searchfeature&...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 68.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":433,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel, transportation and accommodation around Beijing\"\nQuery Dwell Time: 83.37 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 433\nTitle: \"Accommodation near Beijing Transportation Station - Qyer Q&A\"\nSummary: \"Cheap Travel in Oceania For more questions, please click here x Back to top Outbound travel is all in Cheap Travel App The choice of millions of travelers Scan the QR code to download on IOS\/Android Related questions I want to go to Beijing during the National Day holiday. I would like to ask which hotel is better near the transportation station...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.89 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":434,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 39.5 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 434\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Groups Reading FM Time Things Market More Moments Douban Photography Douban...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":435,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Dead fly purchase\"\nQuery Dwell Time: 46.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 435\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"I started riding a fixed gear because I saw my friends riding it and it looked cool and stylish, so I wanted to try it. I didn\u2019t expect that I would fall in love with it as soon as I rode it. Many people think that fixed gear means flying to death, but the death of fixed gear has nothing to do with the death of death. The flywheel of a fixed gear is fixed...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":436,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Dead fly purchase\"\nQuery Dwell Time: 46.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 436\nTitle: \"\u3010Beijing midnight fixed gear purchase department\u3011Group purchase, address, phone number, business hours - Dianping.com\"\nSummary: \"All categories Scan all branches of \"Beijing midnight fixed gear purchase department\" Midnight fixed gear purchase department Sports venues | Hongcheng Garden, Shimen, Shunyi District (Exit A of Shimen Subway Station, head west! Get off at the Social Education Center, head west) Arirang_3991: Still fucking okay...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":437,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed flight price, matters needing attention\"\nQuery Dwell Time: 59.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 437\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8899 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":438,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 446.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 438\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 258.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":439,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 446.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 439\nTitle: \"International Flight Checked Baggage Regulations\"\nSummary: \"The free baggage allowance for group passengers is the same as that for individual passengers. c. If two or more passengers traveling together on the same flight to the same destination check in their baggage at the same time and place, their free baggage allowance can be calculated based on their respective...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 136.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":440,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 446.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 440\nTitle: \"Air China domestic baggage check-in standards - _News Information\"\nSummary: \"What are the baggage check-in and carry-on requirements for Air China international flights? ... The airline's requirements for carry-on and checked baggage are as follows: 1. Passengers should place their liquid items (liquids, gels, aerosols) in... International Aircraft Baggage Regulations...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":441,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquids in carry-on and checked baggage on international flights\"\nQuery Dwell Time: 41.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 441\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Requirements for checked liquids on international flights I know that if you carry liquids with you, each piece is 100ml, and the total is within 1L. You may need to pack them separately for easy inspection. So what if the liquids are checked in luggage? Are there any requirements for each piece and the total amount? What are the requirements for checked and carried luggage on Air China international flights? : Airlines require carry-on and checked luggage...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":442,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 529.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking, its benefits and side effects\"\nQuery Dwell Time: 439.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 442\nTitle: \"Methods and effects of quitting smoking - Good Doctor Online\"\nSummary: \"However, the success rate of quitting smoking through these methods alone is not high. Practice has shown that doctors' advice has an important impact on smokers' psychology and behavior. Doctors' advice on the consequences of smoking and the benefits of quitting smoking, especially in combination with smokers' own health conditions...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 121.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":443,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 529.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking, its benefits and side effects\"\nQuery Dwell Time: 439.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 443\nTitle: \"Benefits and methods of quitting smoking\"\nSummary: \"Smoking cessation refers to the act of removing the addiction to smoking through active or passive methods, which may be chemical, physical, mental, or behavioral. In medicine, the scientific name for smoking addiction is nicotine addiction or nicotine dependence, which refers to long-term smoking...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 304.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":444,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 529.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 60.91 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 444\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.33 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":445,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 154.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features and prices\"\nQuery Dwell Time: 140.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 445\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"Other basic functions of Google Glass: Find toilets, LBS finds nearby toilets. Warning for closing eyes while driving, vibration reminder for falling asleep. Compare prices, similar to the WoChaCha function. Real-time translation, translate text through glasses. Eye exercises, through display content,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 111.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":446,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 154.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features and prices\"\nQuery Dwell Time: 140.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 446\nTitle: \"When will Google Glass be launched in China? How much will it cost? What are its main functions? - Fengniao.com\"\nSummary: \"Google Glass has the same functions as a smartphone, and can be controlled by voice to take photos, make video calls, identify directions, surf the Internet, process text messages and emails, etc. And only people over 18 years old can buy it.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.92 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":447,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version price\"\nQuery Dwell Time: 164.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 447\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":448,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version price\"\nQuery Dwell Time: 164.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 448\nTitle: \"Apple 6 Hong Kong version price latest iphone6 \u200b\u200bprice_NetEase mobile\"\nSummary: \"Apple 6 Hong Kong version price, the latest iPhone 6 price, Apple, price, price [PConline Jiangsu Station Market] Apple iPhone 6 (16GB) is still very good in the mobile phone market, and of course it has made greater improvements in performance...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":449,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version price\"\nQuery Dwell Time: 164.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 449\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong?\"\nSummary: \"What is the latest price of Apple iPhone 6? Dealer specializing in Apple mobile phones, 4.7-inch Hong Kong version of the Chinese version of iPhone 6 price: 16gb3850 (gray\/gold\/silver\/all the same price including shipping), the previous generation of the king iPhone 5s is also very cheap now, if you are interested...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 97.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":450,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone6 \u200b\u200bHong Kong version\"\nQuery Dwell Time: 265.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 450\nTitle: \"How to buy the Hong Kong version of iPhone 6? - Apple iPhone 6 (all network compatible) - ZOL Q&A\"\nSummary: \"How to buy the Hong Kong version of ipone6? Views Followers You can invite high-quality answerers to answer your questions faster hocok has 90127 answers in the mobile phone digital category Double beans has 20891 answers in the mobile phone digital category In mobile phone digital...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":451,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone6 \u200b\u200bHong Kong version\"\nQuery Dwell Time: 265.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 451\nTitle: \"How to buy iPhone 6 Hong Kong version? - 356672566 - 16fan\"\nSummary: \"Looking for scalpers at the Apple flagship store in Causeway Bay. I just bought an iPhone 6 gold 64G yesterday. How much is it? Can you tell me the price? Reply to Shixuan's mom: How much is it in person? Can you tell me the price? How much is it? I want to buy one. Reply to Shixuan...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":452,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone6 \u200b\u200bHong Kong version\"\nQuery Dwell Time: 265.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 452\nTitle: \"How to buy iPhone 6 Plus Hong Kong version? How to buy iPhone 6 Plus Hong Kong version - Green Tea Article Center\"\nSummary: \"How to buy the Hong Kong version of iPhone 6 Plus? Green Tea editor Pangpang will introduce to you how to buy the Hong Kong version of iPhone 6 Plus. The price of the Hong Kong version is... So how can we buy the authentic Hong Kong iPhone 6 Plus? Please read the following. [Step 1] Buy a...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 181.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":453,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 40.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 453\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.55 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":454,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 81.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 454\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 55.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":455,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 125.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 455\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool) Address: No. 30 Shuangqing Road, opposite the East Sports Ground of Tsinghua University (near Wudaokou) 010-62792475 Tags: Leisure and Entertainment Sports and Fitness 109 Consumer Reviews Recently 3574 people visited the store rle...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":456,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 125.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 456\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"Oh hoo~~ 7 yuan per session for on-campus people~~ by...\"\nSummary: \"Tianxia Dianxiagepingjie's review of Chen Ming Swimming Pool (Tsinghua University Swimming Pool): Oh, oh, 7 yuan per session for people on campus, because it is so cheap, there are many people, and after the test, there are also many people in the deep water area.\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":457,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 125.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 457\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"All comments from users of Dianping.com about Beijing Chenming Swimming Pool (Tsinghua University Swimming Pool). (Very good) Environment 4 (Very good) Value for money 4 (Very good) Our school's swimming pool is good value for money. There are not many people at noon, but at night...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":458,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 286.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 458\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 125.0 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":459,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 286.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 459\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 136.57 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":460,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 460\nTitle: \"Comments: Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service\"\nSummary: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service [View original]\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.4 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":461,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 461\nTitle: \"What's the news about Liaoning? - Navy Edition - Super Base Military Forum - The most influential military forum -\"\nSummary: \"There were a lot of hot news in the past few days, but why has it stopped recently? Did the person who released the news go out for tea... or will there be a climax in a few days! What's the news about the Liaoning? - Navy Edition - \u2261 Super Military Zone \u2261 - Super Base Camp Military Forum\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.73 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":0}
-{"id":462,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 462\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.84 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":463,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 463\nTitle: \"16 Liaoning | 16 Liaoning website\"\nSummary: \"Website Navigation Business Opportunities Channel WeChat: bfzyw168 Click to follow Supply Information Purchase Information Enterprise Yellow Pages Information Center 16 Liaoning Introduction Welcome to the 16 Liaoning website, the specific address is, the contact person is 16 Liaoning. Mainly engaged in related products...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":464,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 464\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"According to Hong Kong media reports, military sources revealed that due to problems with parts that need to be repaired, the aircraft carrier will not be in its original... These helicopters are enough to equip two aircraft carrier formations. Although the J-15 is developed based on the Russian Su-33 carrier-based fighter...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.88 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":465,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 465\nTitle: \"Comments: Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service\"\nSummary: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service [View original]\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.54 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":466,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 313.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 466\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 254.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":467,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 313.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 467\nTitle: \"The commissioning of the Liaoning reflects five strategic significances [Jiangchuan Farm Hangzhou Youth Bar]_Baidu Post Bar\"\nSummary: \"The commissioning of the Liaoning reflects the five... \"Yellow Water Navy\" turns to \"Blue Water Navy\" Yesterday, China's first aircraft carrier, the Liaoning... will accelerate the comprehensive strategic transformation of the Chinese Navy from a \"yellow water navy\" to a \"blue water navy\".\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.94 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":468,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 379.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 468\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":469,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared with other countries' aircraft carriers\"\nQuery Dwell Time: 379.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 469\nTitle: \"Comment: What are the improvements of the domestically-made aircraft carrier that is about to be launched compared with the Liaoning?\"\nSummary: \"The Chinese must redouble their efforts to build the world's most powerful and invincible aircraft carrier to safeguard human peace and bring happiness to mankind. There is no doubt that the Liaoning has a certain combat capability. Of course, it is unrealistic to let it go far away from home to fight with you Americans. However, for...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 44.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":470,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared with other countries' aircraft carriers\"\nQuery Dwell Time: 379.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 470\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it - Instant News - Military Channel -...\"\nSummary: \"November 29, 2016 - The Liaoning's aircraft capabilities are limited, and regional countries are able to cope with the challenges posed by aircraft carriers. Since the end of the Cold War, the cost of purchasing, upgrading, maintaining and operating fighter jets has made it difficult to cope with fighter jet capabilities... In addition to intercepting aircraft of unknown nationality, fighter jets are almost exclusively used in military parades and national day ceremonies. Other military capabilities can be obtained through participation...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 203.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":471,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning length displacement\"\nQuery Dwell Time: 70.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 471\nTitle: \"China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\"...\"\nSummary: \"China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\" is expressed in scientific notation... 6.75*104 [Analysis] Question analysis: The expression form of scientific notation is, where n is an integer. When determining the value of n, we need to look at the original...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.06 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":472,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning length displacement\"\nQuery Dwell Time: 70.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 472\nTitle: \"Liaoning aircraft carrier has four major changes: the angle of the ski jump deck is larger than that of its sister ship - Sohu Roll\"\nSummary: \"October 4, 2012 -Therefore, in terms of the general shape, length, width, displacement and other basic indicators of the aircraft carrier, there is no big difference between the two. Among the active aircraft carriers in the world, the size and displacement of the Kuznetsov aircraft carrier are second only to the Enterprise-class and Ni...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 52.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":473,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 473\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":474,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 474\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":475,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 475\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":476,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 476\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":477,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 477\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":478,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 478\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":479,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 479\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":480,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 480\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":481,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people Ice-breaking game New employee training\"\nQuery Dwell Time: 81.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 481\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 27.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":482,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people Ice-breaking game New employee training\"\nQuery Dwell Time: 81.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 482\nTitle: \"\u3010Ice-breaking game for new employees\u3011-liepin.com\"\nSummary: \"1. New employee training, first clarify ... New employee onboarding ice-breaking game related information 1. Tug of war is actually the best way to show unity... Number of people: 5-10 Props: None Suitable occasions: ...View all Introduction: Through the group, their affinity motivation, influence...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":483,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 483\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":484,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 484\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":485,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 485\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":486,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 486\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":487,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel, Consumption and Experience around Beijing\"\nQuery Dwell Time: 86.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 487\nTitle: \"Recommended tourist attractions in Beijing in May_Prices for group tours in Beijing in May_Related information about 5-day tours in Beijing...\"\nSummary: \"Bring every tourist a relaxing, comfortable, transparent and assured quality trip! Highlights: Forbidden City, Temple of Heaven,... Experience happily and spend clearly. B Never change the attractions included in the itinerary: except for force majeure: such as typhoon,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.68 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":488,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 488\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":489,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 489\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":490,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 490\nTitle: \"Beijing Travel Guide in May_How is the scenery in Beijing in May_Recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. Every year, many people travel from Beijing to Qinhuangdao, especially in summer, Qinhuangdao is a summer resort. In Qinhuangdao...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":491,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 491\nTitle: \"Beijing Travel Guide in May_How is the scenery in Beijing in May_Recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. Every year, many people travel from Beijing to Qinhuangdao, especially in summer, Qinhuangdao is a summer resort. In Qinhuangdao...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":492,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 492\nTitle: \"The latest Beijing surrounding area in May (I) - Travel your own way, visit the world's scenery - Sohu Blog\"\nSummary: \"Blog text Category: Beijing surrounding tours | Tags: The latest Beijing surrounding tourism information Yesanpo Donghu Port Shidu 2-day 268 yuan\/person Day 1: Individual tourists gather at the entrance of the Ministry of Foreign Affairs of Chaoyang Gate at 7:30: (\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":493,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 493\nTitle: \"The latest Beijing surrounding area in May (I) - Travel your own way, visit the world's scenery - Sohu Blog\"\nSummary: \"Blog text Category: Beijing surrounding tours | Tags: The latest Beijing surrounding tourism information Yesanpo Donghu Port Shidu 2-day 268 yuan\/person Day 1: Individual tourists gather at the entrance of the Ministry of Foreign Affairs of Chaoyang Gate at 7:30: (\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":494,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Shop near Tsinghua University\"\nQuery Dwell Time: 64.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 494\nTitle: \"Businesses near Makara Fixed Gear Park - Beijing - Dianping.com\"\nSummary: \"|In the alley 500 meters north of the west gate of Tsinghua University in Wudaokou Cafe |Inside Tsinghua University, Haidian District, near Chunyuan 1911 Coffee! Only 48.8 yuan! A coffee and dessert set worth 70 yuan, free WiFi is provided. 1911 Coffee! Only 148.8 yuan! Worth 242 yuan...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 30.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":495,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Shop near Tsinghua University\"\nQuery Dwell Time: 64.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 495\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions Popular food Makara Fixed Gear Park * Required fields China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":496,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Shop near Tsinghua University\"\nQuery Dwell Time: 58.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 496\nTitle: \"Businesses near Misshine Retro Fixed Gear Bicycle Shop - Beijing - Dianping.com\"\nSummary: \"Smart | Only 239 yuan, worth 399 yuan Single classic oil massage SPA Only 169 yuan, worth 259 yuan Single health and fitness foot massage Only 69 yuan, worth 99 yuan Single health foot massage Only 399 yuan, worth 699 yuan Single exclusive stress relief spa package Only...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.29 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":497,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Shop near Tsinghua University\"\nQuery Dwell Time: 58.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 497\nTitle: \"Near No. 123 Zhongguancun North Street, address of Feige Bicycle (Tsinghua West Gate) - Beijing Map\"\nSummary: \"The address of Beijing Fei Ge Bicycle (Tsinghua West Gate) is: near No. 123, Zhongguancun North Street. The phone number of Fei Ge Bicycle (Tsinghua West Gate) is: No phone number at the moment. Introduction of Fei Ge Bicycle (Tsinghua West Gate): Fei Ge Bicycle (Tsinghua...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":498,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 63.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 498\nTitle: \"How to get to the Shuimo Community in Tsinghua West Gate, Zhongguancun North Street (next to the Merida Bicycle Tsinghua West Gate)?\"\nSummary: \"I want to find: Business Map Address: Zhongguancun North Street, Tsinghua West Gate Shuimo Community (next to Merida Bicycle Tsinghua West Gate) 15810100047 Transportation: Note: The map location is for reference only, the specific situation is subject to the actual road sign information...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":499,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 63.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 499\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"The phone number of Fei Ge Bicycle Tsinghua West Gate is , and the address of Fei Ge Bicycle Tsinghua West Gate is . In addition, you can also view the map, public transportation and nearby popular places of Fei Ge Bicycle Tsinghua West Gate.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.14 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":500,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle prices near Tsinghua University\"\nQuery Dwell Time: 107.78 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 500\nTitle: \"Bicycles in Tsinghua University_Stories about Bicycles in Tsinghua University-Yilin Story\"\nSummary: \"The price of a new bicycle in the market is just over 100 yuan, but the price of a used bicycle near Tsinghua University is 70 or 80 yuan, which is high. New bicycles are easily stolen, so people still prefer old bicycles. There is no market for new bicycles in the school. Fear...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 54.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":501,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle prices near Tsinghua University\"\nQuery Dwell Time: 107.78 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 501\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"( more ) A Forever bicycle without a frame. Easy to ride, sturdy. (Delicious Sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike, stocking up, second-hand price, I call you dad if you have an old one (Haikou 517 Station) ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":502,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University fixed gear price\"\nQuery Dwell Time: 39.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 502\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":503,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 318.93 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Rules for carrying liquids on international flights\"\nQuery Dwell Time: 82.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 503\nTitle: \"Aircraft Liquid Carry-On Regulations 2017\"\nSummary: \"What are the regulations for carrying liquids on airplanes in 2017? Let's take a look. The following is the relevant content carefully compiled by pincai editor. I hope it will be helpful to everyone! Aircraft Liquid Carrying Regulations 2017 Each bottle shall not exceed 100ml per person on international flights...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":504,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 318.93 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Rules for carrying liquids on international flights\"\nQuery Dwell Time: 82.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 504\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.37 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":505,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 318.93 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Rules for carrying liquids on international flights\"\nQuery Dwell Time: 82.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 505\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"International flights departing from Central Japan International Airport have begun to implement liquid carry-on regulations. According to the relevant regulations of the Ministry of Land, Infrastructure, Transport and Tourism of Japan, starting from March 1, 2007 (Thursday), international flights departing from Central Japan International Airport will implement the following liquid carry-on regulations...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":506,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 181.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking Ways to quit smoking\"\nQuery Dwell Time: 106.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 506\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"However, most people fail to quit smoking successfully, and there are endless ways to quit smoking. Here are some recommended methods for everyone. Some patients experience more sputum after quitting smoking treatment, and some experience dry throat and other unusual sensations. A large number of clinical research results have confirmed that after treatment...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":507,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 181.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking Ways to quit smoking\"\nQuery Dwell Time: 106.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 507\nTitle: \"Benefits and methods of quitting smoking\"\nSummary: \"How to get through the first five days of quitting smoking? The following seven methods are provided: (1) Drink 6-8 glasses of water between meals to promote the excretion of nicotine. (2) Take a warm bath every day, and take a shower immediately when you can't resist the urge to smoke. (3) On the 5th day of quitting smoking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":508,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 181.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 47.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 508\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.29 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":509,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 204.54 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features Usage Price\"\nQuery Dwell Time: 82.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 509\nTitle: \"Google Glass 2nd Generation Beijing Price Google Glass Parameters Functions Practical Cases_Beijing VERTU Discount Store...\"\nSummary: \"Browsing Weibo, these glasses can also do it. \"The reason why Google Glass is so powerful is that it relies more on network technology support. According to reports, the glasses need WiFi connection to fully function, and an Android phone needs to download the My Glass application. In other words...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":510,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 204.54 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features Usage Price\"\nQuery Dwell Time: 82.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 510\nTitle: \"This is the real black technology smart glasses, the performance exceeds Google, but the price is only a tenth of Microsoft's...\"\nSummary: \"Microsoft, which is not very soft, released the AR glasses HoloLens in 2015. Needless to say, its sense of technology is very high, and the price is also quite high. On the official website of Microsoft China, the developer version starts at around 24,000 yuan, and the commercial version is around 40,000 yuan. For ordinary consumers...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":511,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 204.54 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 94.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 511\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"There is no doubt that Google Glass is the leading product that opens a new era of smart wearable devices. The beauty in this video shows us the actual use of Google Glass very intuitively. Let us explain the basic operation and ten major functions of Google Glass in detail...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 90.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":512,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price and Tariff in Hong Kong\"\nQuery Dwell Time: 80.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 512\nTitle: \"Is the latest price of Apple 6 high?\"\nSummary: \"The licensed products are sold in the mainland through regular customs, and they will pay tariffs and other fees. The Hong Kong version and the US version are smuggled, so of course the price is cheaper. Answer: Hello, here is the price list of the 4.7-inch and 5.5-inch iPhone 6 sold in China: 4.7-inch iPhone 6...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":513,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price and Tariff in Hong Kong\"\nQuery Dwell Time: 80.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 513\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":514,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price and Tariff in Hong Kong\"\nQuery Dwell Time: 80.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 514\nTitle: \"What is the approximate price difference between apples in mainland China and Hong Kong?\"\nSummary: \"Hong Kong is a free trade port, and does not charge import tariffs. Taxes are calculated into the price, so the mainland version is more expensive. 2. There is also a part... Answer: Hello, the iPhone 6 Hong Kong price is for your reference, 16g 5588 hkd is equivalent to 4477 yuan,...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":515,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 97.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 515\nTitle: \"There is a hidden story behind the iPhone 6 being so popular among operators - Jia Jinghua - Career Diary - Value China Network\"\nSummary: \"September 11, 2014 - On the surface, the release of iPhone 6 has led to a fierce competition among the three major operators that have obtained 4G licenses. In this regard, many industry insiders believe that the three major domestic operators have done a large-scale free...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":516,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 97.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 516\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The Hong Kong version of iPhone 6 can \"cover all 3G and 4G standards of all operators in the world\", and is \"all-network compatible\", with a very high cost performance. Several anxious mainland consumers took their iPhone 5s and asked the clerk if they could use the old...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":517,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 53.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 517\nTitle: \"How much tariff do I have to pay when I send iPhone 6 back to China? - Chicago Chinese Information Network\"\nSummary: \"Well, my friend in China asked me to help buy an iPhone 6 Plus. It is said that the specialty stores are out of stock. Can I... Accountant, CPA If I send an iPhone 6 back to China and it is taxed by the customs, how much is the tariff? ChicagoChinaRen....\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":518,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 53.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 518\nTitle: \"How much customs duty do I need to pay for bringing a mobile phone into the country from Hong Kong? - Customs duty collection and administration - Customs duty consultation - Tax collection consultation...\"\nSummary: \"Q: If an individual brings a mobile phone into Hong Kong, how much tax will be levied? How is it calculated? A: According to the 2007 Announcement No. 25 of the General Administration of Customs on the Dutiable Price List of Inbound Passenger Luggage and Personal Postal Items, the duty-paid price of a handheld mobile phone is...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":519,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 53.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 519\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"I am from Zhuhai and want to buy an iPhone 6 in Hong Kong. How can I do this? ...Many stores in Hong Kong accept UnionPay cards. If you are really worried, it would be best to bring a dual-currency credit card. iPhone 6 bought in Hong Kong, China Unicom and China Mobile...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":520,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 520\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":521,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 521\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":522,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 522\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The price is not expensive, it is big, and the water is also...\"\nSummary: \"Yilulu's comments on Chenming Swimming Pool (Tsinghua University Swimming Pool): The price is not expensive, and it is large. The water is also very good and clear. The lobby also has a beautiful wall. But it is crowded in summer. But is it fun when there are many people? It is fun and you can exercise...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":523,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 523\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":524,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Location\"\nQuery Dwell Time: 84.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 524\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":525,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Annual Pass Price\"\nQuery Dwell Time: 84.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 525\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"Ji_Mi Yangguang's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The student price of 7 yuan is still very cheap, and there are often many people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, and there are diving...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":526,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Annual Pass Price\"\nQuery Dwell Time: 84.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 526\nTitle: \"Can I swim in Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school?\"\nSummary: \"Title: Can I swim at Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school? . Posts: 5 \u2003Pagination: Share to: Article topic: Can I swim at Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school? . ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":527,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 161.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 527\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"Viewed 5944 times | 5 comments - Liaoning does not represent that the Chinese navy is strong. Key points: The rise of a great power depends on a fair social platform, not an aircraft carrier. Liaoning has some effect on resolving the Diaoyu Islands dispute, but not as many people imagine...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.99 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":0}
-{"id":528,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 161.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 528\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. Based on the content published by relevant formal research and news agencies, we have compiled and listed the comparison table for those who are concerned about the country...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":529,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 161.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 529\nTitle: \"Daily Express\"\nSummary: \"April 21, 2017 - First: Liaoning is not a domestically produced aircraft carrier. The most abundant experience that my country can absorb is the ski-jump takeoff method of Liaoning, so the ski-jump takeoff method is more reliable. Second: If the catapult takeoff method is chosen, the next step of the domestically produced aircraft carrier...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":530,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning Aircraft carrier role\"\nQuery Dwell Time: 202.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 530\nTitle: \"Japanese media: China's aircraft carriers are powerful, but they are not very useful in gunboat diplomacy_Phoenix Military\"\nSummary: \"November 30, 2016 - Although China's aircraft carriers have strong military capabilities overall, they may not play a good role in \"gunboat diplomacy\" because the aircraft carrier's air force does not have absolute air superiority. Two fighter squadrons may...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":531,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier role\"\nQuery Dwell Time: 63.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 531\nTitle: \"The role of my country's aircraft carriers - Navy version - Super Base Military Forum - The most influential military forum -\"\nSummary: \"The role that my country has recently equipped with a small number of aircraft carriers can play has not been determined, so there have been different opinions on whether to go on the project or not. Let's post a discussion. The more we debate, the clearer the truth will be. The roles that aircraft carriers can play include: 1. Fighting for ocean air control...,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":532,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier role\"\nQuery Dwell Time: 63.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 532\nTitle: \"Military News: Aircraft carriers are irreplaceable, with the strongest maritime combat capability and the highest cost-effectiveness_Chinanews.com Jiangxi News\"\nSummary: \"March 23, 2017 - The former Soviet Union's top leaders deeply realized the strategic role of aircraft carriers... Because aircraft carriers play an irreplaceable role in war and non-war military operations, the world's major powers eventually \"reached the same destination\" - firmly moving towards...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":533,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 533\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":534,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 534\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":535,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Four-day tour around Beijing in May\"\nQuery Dwell Time: 77.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 535\nTitle: \"Looking for a five-day, four-night travel guide to Beijing at the end of May (preferably with a guide to transportation and accommodation for the day) - Ant...\"\nSummary: \"Looking for a five-day, four-night travel guide to Beijing at the end of May (preferably with a guide to transportation and accommodation for the day) The place I want to go is the Great Wall, so... \ue40dI plan to go in mid-to-late May, and stay in Beijing for a total of about 4 and a half days (I will take the high-speed train home at noon on the fifth day\u2021), and it would be best if...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":536,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 536\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to surrounding areas in May 2018 for 2 days | Booking_...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, including the price of all 2-day routes from Beijing to the surrounding areas in May 2018, and real-time updates on what fun things to do in the Beijing surrounding areas.\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 52.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":537,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 537\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to surrounding areas in May 2018 for 2 days | Booking_...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, including the price of all 2-day routes from Beijing to the surrounding areas in May 2018, and real-time updates on what fun things to do in the Beijing surrounding areas.\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 52.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":538,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 538\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.31 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":539,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 539\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.31 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":540,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 540\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and the capital has its own prosperous scenery. In the mountains outside Beijing, there are beautiful roads where everything grows in spring. Although they are artificially dug, they overlap with the surrounding mountains and the romance of growing plants and trees...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.99 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":541,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 541\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and the capital has its own prosperous scenery. In the mountains outside Beijing, there are beautiful roads where everything grows in spring. Although they are artificially dug, they overlap with the surrounding mountains and the romance of growing plants and trees...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.99 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":542,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 542\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing Suburban Tour Quotes Shandong Shanxi Hebei Tour Prices In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give away the flag-raising ceremony at Tiananmen Square for free. If you want to watch it, please make an appointment in advance! This group is...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 96.58 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n","usefulness_score":2}
-{"id":543,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 543\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing Suburban Tour Quotes Shandong Shanxi Hebei Tour Prices In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give away the flag-raising ceremony at Tiananmen Square for free. If you want to watch it, please make an appointment in advance! This group is...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 96.58 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n","usefulness_score":2}
-{"id":544,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 544\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"May message: Late spring is always so leisurely and comfortable, bidding farewell to the chilly spring and welcoming the warm sunshine and spring breeze. ... Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes let you...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":545,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 545\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"May message: Late spring is always so leisurely and comfortable, bidding farewell to the chilly spring and welcoming the warm sunshine and spring breeze. ... Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes let you...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":546,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel in May\"\nQuery Dwell Time: 43.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 546\nTitle: \"Where to go in Beijing in May? Introducing tourist attractions in Beijing\"\nSummary: \"May is here, the weather is getting warmer, and the flowers are blooming. It is a good time to travel. It is a very happy thing to go out and play in a good season and weather. So, where is the best place to go in Beijing in May? Today, the editor will introduce you to the travel guide of Beijing in May...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":547,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go\"\nQuery Dwell Time: 158.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 547\nTitle: \"\u3010Qunar.com\u3011Airline ticket inquiry, special air tickets, discounted air tickets - Qunar.com\"\nSummary: \"Qunar.com provides flight tickets and special air tickets for more than 2,600 domestic routes. It also searches thousands of air ticket booking websites such as Air China, China Southern Airlines, and Ctrip. Special air tickets for 99 yuan, 10% off, and super low discounts...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 154.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":548,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 548\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":549,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 549\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":550,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 550\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":551,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 551\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":552,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Dead Fly Zhihu\"\nQuery Dwell Time: 278.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 552\nTitle: \"What are the advantages and disadvantages of fixed gear compared to ordinary bicycles? - Zhihu\"\nSummary: \"Log in Join Zhihu What are the advantages and disadvantages of Fixed Gear over ordinary bicycles? Show all Followers 6 comments Share Invite to answer Follow the question Write an answer Anonymous user Simple and beautiful, but sacrifices a certain degree of safety 0 Add...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 257.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":553,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 553\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":554,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 554\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":555,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 555\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":556,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 556\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":557,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian Fixed Gear Shop\"\nQuery Dwell Time: 106.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 557\nTitle: \"Does anyone know where there is a fixed gear bike shop in Haidian District, Beijing, with reasonable prices? I am a student and want to buy...\"\nSummary: \"Fixed gear accessories are complete, free color matching. Popular questions and answers Laying water and electricity pipeline diagram Science and Technology Museum, near the Bird's Nest Jianyuan Decoration Company If you are not a local and just go to college in Tianjin, don't buy a pet! ... Full text Bay window modification issues All have to change cars. Start with Xinbin...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":558,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian Fixed Gear Shop\"\nQuery Dwell Time: 106.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 558\nTitle: \"[Qinghe second-hand venue\/fixed gear|Qinghe second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Model: Brand: Price: Region: Support guaranteed transaction Only see pictures Bangbang Online DIY fixed gear bicycle Free matching [1 picture] Beijing Fixed Gear Park Bicycle Shop (100 meters north of the west gate of Tsinghua University, Zhongguancun, Haidian District, Beijing... Haidian-Qing...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":559,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taobao\"\nQuery Dwell Time: 80.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 559\nTitle: \"Taobao (Taobao.com) China Station\"\nSummary: \"You can quickly search for high-quality products in various categories such as women's clothing, men's clothing, shoes and bags, accessories, sports, home textiles, mobile phones, home appliances, beauty products, etc. on Taobao, and enjoy safe guaranteed transaction services (receive the goods first and then confirm) through Alipay, with preferential prices...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":560,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 560\nTitle: \"Haidian Fixed Gear Store Anniversary Sale Fixed Gear Sale Site DIY Free Shipping in the City - Beijing Municipality Second-hand Car Information\"\nSummary: \"Haidian Fixed Gear Store celebrates the anniversary of the fixed gear sale. DIY fixed gears are available for free shipping in the city. The fixed gear store has launched special fixed gears. Our store has many colors and styles, and the configuration is relatively high. All of them have quality assurance and after-sales service. This store is a physical store of fixed gears, not an online store. Customers are welcome to visit the store...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.18 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":561,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 561\nTitle: \"joeMIAKIAS's review on the top fixed gear bicycle store - Dianping.com\"\nSummary: \"Going there is like being at home. Once you get to know the boss, you become like a family. It's really nice. Address: No. 10, Cuiwei East Lane, Haidian District, Bike Peak Bicycle Shop, Ground Floor, Telephone: 15101100343 Category: Gongzhufen\/Wanshou Road\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 114.8 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":3}
-{"id":562,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 562\nTitle: \"Hotpot near Continew Fixed Gear Bicycle Concept Store_Basement of Zhucheng Building, No. 6, Zhongguancun South Street A...\"\nSummary: \"Our store supports online ordering, and you can get it delivered to your home without leaving your home! Hot pot | Weigongcun, No. 2, Zhongguancun South Street, Haidian District, Beijing... Where can I find hot pot near Beijing Continew Fixed Gear Bicycle Concept Store? Room F-16, Zhucheng Building, No. 6, Zhongguancun South Street...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.13 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":563,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 563\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park * Required fields are required. China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":564,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 564\nTitle: \"Hotpot near Continew Fixed Gear Bicycle Concept Store_Basement of Zhucheng Building, No. 6, Zhongguancun South Street A...\"\nSummary: \"Our store supports online ordering, and you can get it delivered to your home without leaving your home! Hot pot | Weigongcun, No. 2, Zhongguancun South Street, Haidian District, Beijing... Where can I find hot pot near Beijing Continew Fixed Gear Bicycle Concept Store? Room F-16, Zhucheng Building, No. 6, Zhongguancun South Street...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.07 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":565,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 565\nTitle: \"[Rainbow fixed gear DIY matching store_Contact information_Contact phone number_Address_Website URL] - Beijing rush...\"\nSummary: \"Floor 1, Building 1, Weigongcun Community, Haidian District, Beijing 1521062**** Free consultation hotline, call for details! When you contact me, please say you saw it on Ganji.com, thank you! Store number: 1108469081 Page description: Fixed gear bicycle complete vehicle...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.77 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":3}
-{"id":566,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 566\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 104.26 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":567,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 567\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n","usefulness_score":3}
-{"id":568,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 568\nTitle: \"Air China baggage regulations\"\nSummary: \"Carry-on items for international flights: The weight of free carry-on items: First-class and business-class passengers can carry two items each, with a maximum weight of 8 kg per piece; economy-class passengers can carry one item each...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 178.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":569,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 569\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.4 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":570,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 570\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":571,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 128.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 571\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.14 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":572,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 128.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 572\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.51 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":573,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 128.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 573\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.89 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":574,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 171.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 574\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.55 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":575,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 171.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 575\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":576,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 152.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 576\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 101.32 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":577,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 152.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 577\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.59 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":578,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 26.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 578\nTitle: \"User comments: Can Google Glass be purchased on Taobao? Beware of being deceived - User comments...\"\nSummary: \"As early as last year, Google showed the public a pair of \"magic devices\" called Google Glass, which users can wear to have video chats with friends through voice, and can also take photos and videos of what they see in real time...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":579,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taobao\"\nQuery Dwell Time: 33.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 579\nTitle: \"Taobao (Taobao.com) China Station\"\nSummary: \"You can quickly search for high-quality products in various categories such as women's clothing, men's clothing, shoes and bags, accessories, sports, home textiles, mobile phones, home appliances, beauty products, etc. on Taobao, and enjoy safe guaranteed transaction services (receive the goods first and then confirm) through Alipay, with preferential prices...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":580,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Hong Kong to buy iPhone 6\"\nQuery Dwell Time: 70.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 580\nTitle: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Do I need to queue up to buy iPhone 6 in Hong Kong now? It's 6, not 6S. Do I need to unpack it after buying it? Are you afraid of being checked? 3030 views 0 people are following Follow Answer 14 answers [The questioner accepts] Can I buy iPhone 6 directly in...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":581,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 official price\"\nQuery Dwell Time: 36.83 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 581\nTitle: \"[iPhone 6 price licensed goods]_iPhone 6 price licensed goods pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality iphone6 \u200b\u200bprice and licensed goods quotes, iphone6 \u200b\u200bprice and licensed goods related information, iphone6 \u200b\u200bprice and licensed goods latest pictures, iphone6 \u200b\u200bprice and licensed goods advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":582,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Apple official website\"\nQuery Dwell Time: 34.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 582\nTitle: \"Contact - Official Apple Support\"\nSummary: \"Contact Apple Support by phone or chat, schedule repairs or make a Genius Bar appointment for iPhone, iPad, Mac and more.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":583,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Taobao\"\nQuery Dwell Time: 150.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 583\nTitle: \"Taobao (Taobao.com) China Station\"\nSummary: \"You can quickly search for high-quality products in various categories such as women's clothing, men's clothing, shoes and bags, accessories, sports, home textiles, mobile phones, home appliances, beauty products, etc. on Taobao, and enjoy safe guaranteed transaction services (receive the goods first and then confirm) through Alipay, with preferential prices...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 118.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":584,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 24.2 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 584\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong?\"\nSummary: \"What is the latest price of Apple iPhone 6? Dealer specializes in Apple mobile phones, 4.7-inch Hong Kong version of the Chinese version of iPhone 6 price: 16... All network Changchun Apple iPhone 6 Hong Kong version 5150 price comparable to Hong Kong version of European Apple iPhone 6plus slightly more expensive than the Chinese version of the Hong Kong version of Apple...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.0 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":585,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Apple Hong Kong\"\nQuery Dwell Time: 66.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 585\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":586,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone tariffs\"\nQuery Dwell Time: 117.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 586\nTitle: \"Attention! Those who are returning to China recently, please be aware! If you bring an iPhone 7 back to China, you will have to pay a 15% tariff!\"\nSummary: \"September 24, 2016 - Do I need to pay tax if I bring or mail an iPhone 7 into the country? Mobile phones are one of the 20 non-duty-free commodities and are not tax-free. Therefore, even if you only bring or mail one, you still need to pay tax according to the law. The specific calculation formula is...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 111.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":587,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 170.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Address\"\nQuery Dwell Time: 44.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 587\nTitle: \"Chen Chen 165's comments on how good Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is -...\"\nSummary: \"Cancellation Address: Opposite to the East Campus of Tsinghua University, No. 30 Shuangqing Road, Haidian District Tel: 010-62792475 Category: ... Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store)\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.36 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":588,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 170.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 85.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 588\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":589,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 170.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 85.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 589\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.41 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":590,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 588.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"aircraft carrier\"\nQuery Dwell Time: 102.16 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 590\nTitle: \"Aircraft Carrier Encyclopedia\"\nSummary: \"Aircraft Carrier Encyclopedia - Introduces basic information and related knowledge about aircraft carriers, and displays the characteristics and structures of aircraft carriers of various countries. What are the main weapons and equipment of aircraft carriers? What is the angled deck? The electromagnetic catapult is a complex integrated system ... ...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":591,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 588.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"aircraft carrier\"\nQuery Dwell Time: 102.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 591\nTitle: \"Aircraft Carrier Encyclopedia\"\nSummary: \"Aircraft Carrier Encyclopedia - Introduces basic information and related knowledge about aircraft carriers, and displays the characteristics and structures of aircraft carriers of various countries. What are the main weapons and equipment of aircraft carriers? What is the angled deck? The electromagnetic catapult is a complex integrated system ... ...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":592,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 349.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 326.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 592\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 221.7 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":593,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 349.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 326.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 593\nTitle: \"A Complete Collection of Communication and Ice-breaking Games in Management\"\nSummary: \"Contact the webmaster You are here: Beidouxing Community - China Social Work Education Community >> Article Center >> Methods and Skills >> Group Work >> Game Collection >> Text Communication and Ice-breaking Games in Management Author: Anonymous Article Source: This site...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.74 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":594,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 349.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 326.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 594\nTitle: \"Ice-breaking game for development training (I)\"\nSummary: \"This ice-breaking game helps people become more willing to socialize and learn from each other, breaking down barriers between strangers and eliminating conflicts between colleagues... (7) The last person left is the winner. The Tree and the Squirrel Suitable for: 10 or more people Materials and venue: None Suitable...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":595,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 595\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, the air is fresh and cool... Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.99 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":596,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 596\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and brocade. The capital city has its own prosperous scenery, but in the continuous mountains outside Beijing, there are... Huanling Road Huanling Road is the main tourist road connecting the Ming Tombs, a world cultural heritage and a national key cultural relic protection unit. It is divided into...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.17 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":597,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 597\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.15 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":598,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 598\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to surrounding areas in May 2018 for 2 days | Booking_...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, including the price of all 2-day routes from Beijing to the surrounding areas in May 2018, and real-time updates on what fun things to do in the Beijing surrounding areas.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":599,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 599\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to Huangshan City in May 2018 | Pre-book...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, how much does all routes from Beijing to Huangshan City cost in May 2018, and real-time updates on what fun things to do around Beijing are.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":600,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 600\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing Suburban Tour Quotes Shandong Shanxi Hebei Tour Prices In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give away the flag-raising ceremony at Tiananmen Square for free. If you want to watch it, please make an appointment in advance! This group is...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":601,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism May prices\"\nQuery Dwell Time: 33.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 601\nTitle: \"How much does it cost to travel to Beijing in May? How is the scenery in Beijing in May? Beijing 5..._Xinxin Travel\"\nSummary: \"Beijing Sunset Red Senior Group Price Double Bedroom 7 Day Tour, Chengdu Sunset Red Travel Price, 2017 Spring Sunset Red Beijing (Forbidden City...There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":602,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism May prices\"\nQuery Dwell Time: 33.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 602\nTitle: \"How much does it cost to travel to Beijing in May_Low prices for traveling to Beijing in May_Recommendations for a 5-day tour in Beijing_...\"\nSummary: \"Q: What is the lowest price for traveling to Beijing in May? A: Our company carefully provides you with free travel and group travel. We recommend related travel products: Beijing Historic Sites Boutique Tours. If you want to know more about Beijing travel, please consult our...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":603,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism May prices\"\nQuery Dwell Time: 33.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 603\nTitle: \"May travel routes from Beijing_XinXin Travel Network\"\nSummary: \"There are 15 travel routes departing from Beijing in May... [How much does it cost to travel from Beijing to Gansu] Crescent Lake Lanzhou Waterwheel Park Mogao Grottoes five-day solo tour... Xinxin Travel Network CNCN.com\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":604,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 604\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.97 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":1}
-{"id":605,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 605\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.56 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":606,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 606\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 90.94 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":607,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 607\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.85 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n","usefulness_score":1}
-{"id":608,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua fixed gear where to buy\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 608\nTitle: \"Fixed Gear Bicycle China_Fixed Gear Bicycle China Price_High Quality Fixed Gear Bicycle China Wholesale\/Purchase Opportunities - ...\"\nSummary: \"Huicong.com Fixed Gear Bicycle Micro Portal collects rich content about Fixed Gear Bicycle, providing users with various fixed gear bicycle supply and demand information, prices, information, pictures, manufacturers and other services...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":609,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua\"\nQuery Dwell Time: 88.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 609\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":610,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 610\nTitle: \"International Aircraft Baggage Check-in_International Air Transport-Air China Official Website\"\nSummary: \"Air China's international passenger baggage transportation channel provides information on international aircraft baggage consignment and international air transportation, helping you to understand Air China's international baggage consignment information services.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.22 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":1}
-{"id":611,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 611\nTitle: \"International Aircraft Baggage Check-in_International Air Transport-Air China Official Website\"\nSummary: \"Air China's international passenger baggage transportation channel provides information on international aircraft baggage consignment and international air transportation, helping you to understand Air China's international baggage consignment information services.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.35 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":1}
-{"id":612,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 612\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 99.41 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":613,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 613\nTitle: \"International Flights and Baggage\"\nSummary: \"Although I have asked around for information on luggage preparation, I have no real experience unless I actually go there. Since I prepared my suitcases too early, I... If I don't understand, I will ask the young people around me who speak fluent American English. There are many such people on international flights. After the first time, I will...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 76.0 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":614,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 614\nTitle: \"I have a question about checked baggage on international flights\"\nSummary: \"Article topic: A question about luggage check-in for international flights He Dazhuang@\u5976\u5a03 Identity User Article Constellation Scorpio Points Level Dongting (8) Sender: happyness123 (Happy Life), Message area: Flyers Tianjin-Shenzhen CA...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.92 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":615,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 615\nTitle: \"Air China International Flight Checked Baggage Regulations_Interview Tips_Hebei Bocai Network_Shijiazhuang Recruitment\"\nSummary: \"What is the weight limit of free checked baggage on Air China international flights? On international and regional routes, the free checked baggage allowance for adult and child passengers is based on the fare class: 40 kg for first class, 30 kg for business class, and 30 kg for economy class.\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":616,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 616\nTitle: \"About luggage check-in for international flights - Mafengwo\"\nSummary: \"Regarding checked baggage on international flights, can I check in packaged spicy noodles? Also, bagged cold noodles, beef and mutton soup buns? As shown in the picture below, I brought it to my friend. Also, is there a limit on the amount of liquids that can be checked in? 795 views 0 people follow Follow Answer 1 answer Each airline...\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":617,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 617\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"The number and weight of free checked baggage on Virgin Atlantic international flights depends on the destination and cabin class. First Class Passengers: Transatlantic\/Lagos passengers have a free baggage allowance of three pieces, the sum of the three sides must not exceed 158 cm or the total weight must not exceed...\"\nRank: 12\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 84.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":618,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 618\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"Smoking cessation is a product specifically for men's health. The smoking cessation products sold on the official website are all genuine. Learn about smoking cessation and consult how much it costs to quit smoking. The only official channel to buy genuine smoking cessation products is safe and guaranteed. To buy genuine smoking cessation products, look for the official smoking cessation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.98 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":619,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 619\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.11 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":620,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 620\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, how to quit smoking most effectively, how to quit smoking most effectively...quit smoking mouthpieces, quit smoking tea and other quit smoking products and quit smoking service information.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":621,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 621\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.04 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":622,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 622\nTitle: \"How to quit smoking (1) - 3721 Health Knowledge Network\"\nSummary: \"Quitting smoking, how to quit smoking, quitting smoking methods Tips for middle-aged people to live a young and healthy life. Does quitting smoking really cause weight gain or illness? The ten most practical experiences to help you prevent hair loss. Smoking causes more harm to women than men. It only takes five days to help you quit smoking...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":623,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 30.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 623\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.58 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":3}
-{"id":624,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 30.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 624\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.6 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":625,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 625\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.19 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":626,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 626\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.71 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":627,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 627\nTitle: \"The embarrassment of Google Glass: Can enter the country but can't leave home? _Viewpoint_PConline...\"\nSummary: \"May 17, 2013 - Google Glass is one of the most controversial products of Google in recent years. Before the development version was shipped, people were curious and hoped to get this magical pair of glasses. But when the glasses were officially shipped...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 139.61 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":1}
-{"id":628,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 628\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":629,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 629\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.47 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":630,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 87.03 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 630\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.93 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":631,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 87.03 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 631\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":632,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy\"\nQuery Dwell Time: 64.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 632\nTitle: \"iPhone 6 purchase guide: How to buy iPhone 6 at the cheapest price! (Reprinted)_Digital Life_Tianya...\"\nSummary: \"Although it is about the same level as when iPhone 5S was released, the first launch country is not China, and the change in the policy of operators on iPhone subsidies has made it a question of when the licensed iPhone 6 will be available in China. Let's take a look at foreign countries first...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":633,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy\"\nQuery Dwell Time: 64.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 633\nTitle: \"iPhone 6 purchase guide: How to buy iPhone 6 at the cheapest price_Economic Forum_Tianya Forum\"\nSummary: \"iPhone 6 purchase guide: How to buy iPhone 6 at the cheapest price Although the price is similar to that of iPhone 5S, the first launch country is not China, and the policy change of operators on iPhone subsidies has made it difficult to know when the licensed iPhone 6 will be available...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":634,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 634\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":635,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 635\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does it cost to buy an iPhone 6 in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively. iPhone 6 Plus ...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":636,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 636\nTitle: \"Can I use the iPhone 6 I bought in Hong Kong? _As the title says. Preparing to go to Hong Kong_Babytree\"\nSummary: \"As the title says. I am going to buy an iPhone 6 in Hong Kong. Can I use it directly after I get it back? Do I need to flash the firmware or something? | No need to flash the firmware, just use it directly | How much is it there now | How much is it now? I want to know too | Can I use it directly |\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":637,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 637\nTitle: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? - Mafengwo\"\nSummary: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? It's 6, not 6S. Do I need to unpack it after buying it, worried about being checked? 3030 views 0 people follow Follow Answer 14 answers [The author accepts] iPhone 6 can be bought directly in Hong Kong, it's in stock...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":638,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 638\nTitle: \"About buying iPhone 6 in Hong Kong - Transaction\/Card Number - 16fan\"\nSummary: \"2015.2.1 I went to Hong Kong and wanted to buy an iPhone 6. Can I buy it without making an appointment? Please answer me if you know~~ Questions about buying an iPhone 6 in Hong Kong, 16fan\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":639,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 639\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13-12, 2014 was the first day that Apple Inc.'s iPhone 6 and iPhone 6 Plus were available for online purchase in the Hong Kong market. It was less than 72 hours before Apple CEO Tim Cook released the two latest products, and Hong Kong...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":640,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 640\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 125.98 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":641,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 641\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.49 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":642,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 642\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.84 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":1}
-{"id":643,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 643\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":644,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 644\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.65 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":645,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 645\nTitle: \"Liaoning fever sweeps Hong Kong\"\nSummary: \"July 8, 2017 - The Liaoning aircraft carrier fleet arrived in Hong Kong on the morning of the 7th. Subsequently, a welcoming ceremony was held at the Stonecutters Island Barracks. The Chief Executive of the Hong Kong Special Administrative Region, Carrie Lam, on behalf of the SAR government and citizens, warmly welcomed the Chinese People's Liberation Army Navy aircraft carrier fleet...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.57 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":0}
-{"id":646,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 646\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 174.34 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":647,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 647\nTitle: \"\"Liaoning\" here we come! _NetEase News\"\nSummary: \"July 4, 2017 - (Original title: \"Liaoning\" here we come!) To celebrate the 20th anniversary of Hong Kong's return to the motherland, China's first aircraft carrier \"Liaoning\" and three affiliated ships will dock in Hong Kong from July 7 to 11, and will be open to the public on the 8th and 9th...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":648,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 101.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 648\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":649,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 101.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 649\nTitle: \"Taiwanese media: Liaoning aircraft carrier issued a warning to Taiwan's Kangding ship not to approach_Phoenix Military\"\nSummary: \"May 9, 2017 - Author: Sasha This article is originally written by Sasha. If you reprint it, please be sure to indicate [Sasha's History Lecture Hall No. 283] (Military Series No. 140) In December 2016, what did the Liaoning aircraft carrier do when it bypassed Taiwan?\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":650,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier role significance\"\nQuery Dwell Time: 180.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 650\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 87.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":651,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier role significance\"\nQuery Dwell Time: 180.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 651\nTitle: \"China has an aircraft carrier. How significant is that?\"\nSummary: \"China has an aircraft carrier, how much does it mean? What role does it play in my country's national defense? Just a blast. We have the ability to build and use aircraft carriers. China has an aircraft carrier, how much does it mean? What role does it play in my country's national defense? 171.116.85 Deterrent effect...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":652,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier role significance\"\nQuery Dwell Time: 180.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 652\nTitle: \"The significance of China's aircraft carriers_International Observation_Tianya Forum_Tianya Community\"\nSummary: \"This means that when almost all major countries, including China, have the ability to sink aircraft carriers, the role of aircraft carriers is decreasing... Qilu Evening News: What is the significance of developing aircraft carriers? Qiao Liang: China has 18,000 kilometers of coastline, and developing and strengthening the navy...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":653,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 36.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 653\nTitle: \"The J-15 is said to have an advantage over the F35B. Japan's quasi-aircraft carrier is no match for the Liaoning\"\nSummary: \"If the F-35B mounts a large number of weapons externally to make up for its numerical disadvantage, it will be equivalent to giving up its greatest advantage - stealth, and the tactical situation will be even more unfavorable to it. \"In fact, the deployment of the F-35B on ships is still wishful thinking on the part of Japan, and the United States has not yet...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.23 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":654,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 36.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 654\nTitle: \"Japanese right-wing media calls China's current aircraft carrier Liaoning a \"paper tiger\"_NetEase News\"\nSummary: \"July 12, 2013 - The magazine focused on comparing the strengths and weaknesses of Japanese and Chinese weapons and simulating the results of a naval battle between the two countries. Japanese media quoted the magazine as saying that even if China formed a fleet mainly composed of the aircraft carrier \"Liaoning\" to \"attack\" the Diaoyu Islands, it would still be difficult to...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":655,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 1335.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New Employee 10-person Icebreaker Game\"\nQuery Dwell Time: 1313.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 655\nTitle: \"\u3010Transfer\u301118 Ice-breaking Games\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time... Reduce stress; overcome anxiety and fear of failure; overcome boredom; motivate employees to give full play to their\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 412.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":656,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 1335.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New Employee 10-person Icebreaker Game\"\nQuery Dwell Time: 1313.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 656\nTitle: \"Ice-breaking Games for New Employees_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for the instructor) small plush toys, ping-pong balls, small plastic... This is...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 281.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":657,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 1335.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New Employee 10-person Icebreaker Game\"\nQuery Dwell Time: 1313.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 657\nTitle: \"Team Activity Ice Breaking Games_Chinese Text Library\"\nSummary: \"Team Ice Breaking Games Collection_Human Resources Management_Business Management and Marketing_Professional Materials. Team Ice Breaking Games Collection ...6. This activity is not suitable for unfamiliar teams. Big Tree and Squirrel Suitable for: 10 people or more Materials and venues... Nine essentials for new employee training...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 475.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":658,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 658\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No matter spring, summer, autumn or winter, no matter how dry the weather is or how dry the land is, the water of Shengquan is always the same and gurgles. The spring water originates from a hundred miles away...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":659,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 659\nTitle: \"Latest price list for traveling to surrounding areas in May 2017_Recommended routes to surrounding areas in May - Utour Travel\"\nSummary: \"The surrounding tourist routes in May 2017 are provided by Utour Travel Youzai.com. If you want to know the surrounding tourist quotes in May, the prices for traveling in May, and the travel guide for traveling in May, please visit Utour Travel Youzai.com.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 29.74 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":660,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 660\nTitle: \"Where to go in the suburbs of Beijing at the end of May. Can you please recommend some good places!! - Beijing Travel...\"\nSummary: \"Please help me! We will be around May 28th, 30 people. We will stay outside for 2 days and one night. We are good friends... We need a bonfire. Hehe. It should be around Beijing. I don't know where is good. Please help me. It costs...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.18 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":661,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 661\nTitle: \"The best travel routes in Beijing in May! ! Self-guided tours! ! - Qyer Q&A\"\nSummary: \"Best travel routes in Beijing in May! ! Self-guided tour! ! Attractions you want to visit: Dashilan, Tiananmen Square, Jingshan Beihai Park, Wangfujing, Badaling, Houhai, Nanluoguxiang, Temple of Heaven, Xidan, Summer Palace, Bird's Nest, Water Cube, Happy Valley, etc....\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":662,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University fixed gear bicycle\"\nQuery Dwell Time: 210.16 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 662\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-27 \/ General merchants 139 yuan Factory direct sales of various bicycles starting from 140 yuan wholesale, group purchase, large quantity 1 [24 pictures] Beijing supports cash on delivery ~ Student group purchases can be sent directly back to school with people and bicycles! Support corporate orders, stores... Haidian - ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":663,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University second-hand fixed gear bicycle purchase\"\nQuery Dwell Time: 22.63 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 663\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-27 \/ General merchants 139 yuan Factory direct sales of various bicycles starting from 140 yuan wholesale, group purchase, large quantity 1 [24 pictures] Beijing supports cash on delivery ~ Student group purchases can be sent directly back to school with people and bicycles! Support corporate orders, stores... Haidian - ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.11 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":0}
-{"id":664,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Buying second-hand fixed gear bicycles in Haidian District, Beijing\"\nQuery Dwell Time: 135.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 664\nTitle: \"\u3010Women's Fixed Gear Bicycle\u3011_Second-hand_Transfer_Recycling \u2013 Xianyu\"\nSummary: \"I am in Beijing Haidian. If you are interested, please leave me a message! 4 hours ago Bai Xinyue bxy Heilongjiang Qiqihar If you are interested, please leave me a message! 4 hours ago Hua De Diaoling 00 Liaoning Panjin A small girl's bicycle, I bought it and kept it at work. I haven't...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 57.31 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":665,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Buying fixed gear bicycles in Haidian District, Beijing\"\nQuery Dwell Time: 71.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 665\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"The earliest fixed-gear shop in Beijing, owned by German Yi Quan. Customers can order custom-made bicycles there, or buy imported frames directly... Home Discover Topics Login Join Zhihu Beijing Bicycle Fixed Gear (fixed-gearbicycle) 50 Views 7954 Check...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 37.33 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":666,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bike purchase\"\nQuery Dwell Time: 89.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 666\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling track bicycle competition, called \"racing wheel\", in China...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.53 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":667,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bike purchase\"\nQuery Dwell Time: 89.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 667\nTitle: \"Fixed Gear Bicycles High-end Fixed Gear Bicycles - Ade Purchasing Network\"\nSummary: \"Transportation Non-motorized vehicle Bicycle Price: 0 Seller: Xu Mohan Mobile: 15302090319 Inquiry: Please inform me when contacting me from Ade Procurement Network Keywords: Fixed Gear Bicycle High-end Fixed Gear Bicycle Fixed Gear Bicycle DIY Color Matching Fixed Gear Bicycle View...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":668,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 183.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 668\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 177.79 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":669,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 558.56 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights allow luggage weight and volume restrictions\"\nQuery Dwell Time: 538.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 669\nTitle: \"Are there any requirements for luggage that can be brought on board international flights? - Mafengwo\"\nSummary: \"If the weight or volume exceeds the above limits, it should be checked in as checked baggage. Share Add Comment Collection The precautions for carry-on baggage on international flights and domestic flights are similar. Don't bring things that are not allowed, just don't exceed the weight. For example, if the baggage exceeds 100ml... 512 views 0 people follow Follow Answer 7 answers When taking international flights, the total weight of hand luggage is 7 kg (some airlines...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":670,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 558.56 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights allow luggage weight and volume restrictions\"\nQuery Dwell Time: 538.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 670\nTitle: \"How much luggage can be carried on international flights? - _New Knowledge Information\"\nSummary: \"Generally, domestic and international flights... What is the maximum weight limit for carry-on luggage on an airplane? ... 1. Restrictions on carry-on luggage \u2474. On domestic flights: The total weight of a passenger's hand luggage should not exceed 5 kilograms, and the volume of each piece of luggage should not exceed...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 159.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":671,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 558.56 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights allow luggage weight and volume restrictions\"\nQuery Dwell Time: 538.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 671\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 277.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":672,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 672\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.12 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":673,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 673\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.13 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":674,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 674\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.45 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":675,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 72.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 675\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.71 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":676,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 72.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 676\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.73 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":0}
-{"id":677,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 72.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 677\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":678,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 82.21 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 678\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.92 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":679,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 82.21 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 679\nTitle: \"The most effective way to quit smoking\"\nSummary: \"The most effective way to quit smoking Special articles Related topics Related content The most effective way to quit smoking may be contributed by netizens. If it infringes your rights, please contact this site in time to delete it. ishuo.cn\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":680,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 82.21 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 680\nTitle: \"Effective ways to quit smoking_Chinese Text Library\"\nSummary: \"Choose a smoking cessation method that suits you 1. One-time total quitting method: Smoke as much as you can the day before quitting, until... Talking to someone who cares about you and is willing to listen, sharing your stress and troubles, this is the most effective way to overcome smoking again... The most effective...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":681,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 681\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us the actual use of Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located on the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 224.56 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":682,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 682\nTitle: \"12 interesting features of Google Glass - Review - Papaocar offline game download website\"\nSummary: \"Google Glass has many interesting functions. However, many people don't know much about this high-tech sci-fi thing. Now, let's introduce the 12 interesting functions of Google Glass.\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":683,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 683\nTitle: \"The five best features of Google Glass What is Google Glass good for - PPS Video\"\nSummary: \"Press and hold the video to drag The five best features of Google Glass What is Google Glass good for People subscribed Play: Download | Coming soon Loading...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.76 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":684,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 684\nTitle: \"Introduction to the functions of Google Glass_Baidu Experience\"\nSummary: \"How to prevent addiction to wearing Google Glasses Introduction to the functions of Google Chrome Foreign Trade Edition Ranking, see the world with a technological perspective! Ranking, top design, intelligent visual world, technology brings you extraordinary enjoyment! \"Tian... www.tmall.com Writing sutras...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":685,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 685\nTitle: \"Do you know that these functions of Google Glass are amazing? -Phoenix Video-The most media-quality comprehensive...\"\nSummary: \"Did you know that these features of Google Glass are amazing?\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 294.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":686,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 80.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 686\nTitle: \"How much does Google Glass cost? Google Glass may cost less than $1,500 - Green Tea Article Center\"\nSummary: \"How much does Google Glass cost? Many friends are concerned about the price of Google Glass. Today, Green Tea Editor will tell you how much Google Glass costs. Let's take a look! How much does Google Glass cost? Google Glass price exposed American technology website...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.97 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":687,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 80.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 687\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":688,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in mainland China\"\nQuery Dwell Time: 58.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 688\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":689,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support mainland operators?\"\nQuery Dwell Time: 83.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 689\nTitle: \"Can the Hong Kong version of iPhone be used in the mainland? - Can the Hong Kong version of iPhone 6 be used in the mainland? The difference between the Hong Kong version of iPhone 6 and the...\"\nSummary: \"The quality of the mobile phone is the same. iPhone is made by Apple... Can the US version of iPhone 6 be used in mainland China? ... US... It can be used in mainland China. Since there is no operator operating CDMA network in Hong Kong, the purchased Hong Kong version mobile phone cannot support telecom mobile...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 59.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":690,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 pays customs duty\"\nQuery Dwell Time: 163.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 690\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":691,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 691\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.02 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":692,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 96.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 692\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than those sold in China, and iPhone 6 is no exception. However, do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.18 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":693,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 159.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 693\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"Items that need to be declared when leaving the country are exempt from customs duties according to customs regulations. 2. If the price of the mobile phone you bought in Hong Kong is... Indeed, at the current price of 100... How much does it cost to buy an iPhone 6 in Hong Kong now... Both the 4.7-inch and 5.5-inch iPhone 6 have 16GB, 64...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":694,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 159.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 694\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. ... [No.: 61496] Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country?\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":695,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 159.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 695\nTitle: \"I am going to Hong Kong at the end of the month. How should I buy an iPhone? Do I need to pay taxes when going through customs? - Yue Travel\"\nSummary: \"You have to pay 20% tariff, which means you have to pay tax if you bring one iPhone 6. Of course, if you pay tax normally, it doesn't matter how many you bring... If the total price of things you buy from Hong Kong is less than RMB5000, you don't have to pay tax. If it exceeds RMB5000, you have to pay tax. For safety reasons, put the package...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 102.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":696,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 217.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 176.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 696\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.3 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":697,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 217.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 176.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 697\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"All comments from users of Dianping.com about Beijing Chenming Swimming Pool (Tsinghua University Swimming Pool). (Very good) Environment 4 (Very good) Value for money 4 (Very good) Our school's swimming pool is good value for money. There are not many people at noon, but at night...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.49 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":698,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 217.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 176.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 698\nTitle: \"[Tsinghua University Chen Ming Swimming Pool Parking Lot] Tsinghua University Chen Ming Swimming Pool Parking Lot Phone, Tsinghua...\"\nSummary: \"Address: Near Chen Ming Swimming Pool, Tsinghua University, Haidian District, Beijing Phone No, I will add Category: Parking Lot Traffic Guide Bus stops near Chen Ming Swimming Pool Parking Lot, Tsinghua University: Dashiqiao, Dashiqiao North, Qianbajia, Shuangqing Road South Exit,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.11 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n","usefulness_score":0}
-{"id":699,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 699\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 229.43 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":700,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 700\nTitle: \"Liaoning aircraft carrier conducts ship-aircraft integration, Navy commander and political commissar present - Sohu Military Channel\"\nSummary: \"December 25, 2015 - Liaoning aircraft carrier conducts ship-aircraft integration training [Abstract] Today, the Liaoning aircraft carrier of the Navy conducted ship-aircraft integration training in a certain sea area in the Bohai Sea. A new batch of J-15 carrier-based fighter pilots completed multiple training courses such as touch-and-go and arrested landing. ...\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.78 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":701,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 701\nTitle: \"Liaoning aircraft carrier fleet will go to Hong Kong to participate in the 20th anniversary celebration | aircraft carrier fleet | Hong Kong | Ministry of National Defense_...\"\nSummary: \"June 29, 2017 -Reporter: President Xi Jinping arrived in Hong Kong today and will attend the celebration of the 20th anniversary of Hong Kong's return to China. According to media reports, as part of the celebration, China's first aircraft carrier Liaoning will also visit Hong Kong in July. Please...\"\nRank: 12\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.53 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":702,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 702\nTitle: \"Liaoning aircraft carrier visits Hong Kong, open to visitors on Saturday - Hong Kong Wen Wei Po\"\nSummary: \"July 3, 2017 - The Liaoning and its affiliated ships will also hold a ship open event. Liang Yang said that this year marks the 20th anniversary of Hong Kong's return to China and the PLA's stationing in Hong Kong. The Navy's aircraft carrier fleet's visit to Hong Kong to participate in the celebration activities will further strengthen Hong Kong compatriots' confidence in Hong Kong.\"\nRank: 13\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":703,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Advantages\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 703\nTitle: \"Liaoning's personal channel\"\nSummary: \"Set background image Web page effect preview Upload background image to better promote brand image Highlighted area is mobile phone display effect Drag to change background selection area Set sail Liaoning ship Track the latest military developments, pay attention to the latest military equipment, and provide military fans with...\"\nRank: 17\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.71 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":704,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 704\nTitle: \"Liaoning aircraft carrier sets sail for routine training and testing - Current Affairs - People's Daily Online\"\nSummary: \"June 13, 2015 - According to Xinhua News Agency, yesterday morning, my country's first aircraft carrier Liaoning set sail from a military port in Qingdao and went to relevant waters for routine training and scientific research experiments. The naval agency carried out training on the Liaoning and the aircraft carrier command organization...\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":705,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 705\nTitle: \"Liaoning Ship_Page 1_Tags_NetEase Women\"\nSummary: \"Xinhua News Agency, Beijing, January 12, New Media Special (Reporter Wu Dengfeng) Chinese Navy spokesperson Liang Yang told reporters on the 12th that in the early morning of the 12th, the Liaoning fleet, which was going to the South China Sea to carry out cross-sea training and testing, passed through the Taiwan Strait and continued to carry out follow-up tasks. ...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":706,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 41.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 706\nTitle: \"Liaoning aircraft carrier latest news_video online viewing - 56.com\"\nSummary: \"Liaoning Ship Latest News - Liaoning Ship Latest News, Liaoning Ship Latest News, Album Latest News Hot News China-Russia military exercise is about to open. Officers and soldiers of both sides boarded the ship to visit the Liaoning Ship J-15 carrier-based aircraft formation training MV \"Flying Shark\" Liaoning Ship carrier-based aircraft formation training...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.37 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":707,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 41.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 707\nTitle: \"Liaoning aircraft carrier's South China Sea training experiment achieved \"two firsts\" Future information system training deserves attention - ...\"\nSummary: \"January 2, 2014 - Professor Han Xudong said that from the perspective of the next step of training, the biggest highlight of the Liaoning ship is the training of the information system. According to the process of international aircraft carriers forming combat effectiveness, it is generally divided into three stages. The first stage is the carrier-based aircraft and aircraft carrier...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":708,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 41.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 708\nTitle: \"The official did not disclose more information about the return of the Liaoning ship to the shipyard. Judging from the photos taken at the shipyard,...\"\nSummary: \"The official did not disclose more information about the return of the Liaoning to the shipyard. From the photos taken at the shipyard, the Liaoning first moored at the dock.\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.35 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":709,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 200.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice-breaking game for employees 10 people\"\nQuery Dwell Time: 172.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 709\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":710,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 200.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice-breaking game for employees 10 people\"\nQuery Dwell Time: 172.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 710\nTitle: \"18 Ice-breaking Games (for warming up the audience) - Training Games - Trainer Community\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":711,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 711\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.34 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":712,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 712\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":713,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 713\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.13 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":714,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 714\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.83 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":715,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Garden Expo Park Guide\"\nQuery Dwell Time: 29.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 715\nTitle: \"Beijing Garden Expo Guide\"\nSummary: \"There are 6 entrances to Beijing Garden Expo Park. If you take the subway, it is close to Gate 1. If you drive, the parking lot is close to Gates 3, 4, and 5. Gate 3 is the main entrance, and the main venue is inside. Gate 6 is closest to the iconic building, Yongding Tower. Set it according to your focus...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":716,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide\"\nQuery Dwell Time: 44.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 716\nTitle: \"Travel guide from Beijing_Beijing travel guide\"\nSummary: \"Xinxin Travel Network Travel Guide: There are many tourist attractions around Beijing. Take advantage of the holidays to start from Beijing and visit the surrounding cities. Here is a complete guide for traveling around Beijing.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":717,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide for May Day\"\nQuery Dwell Time: 72.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 717\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"Where to go in Beijing on May Day, 2017, where to go in Beijing on May Day, Marriott International Group grandly unveiled the Four Points by Sheraton Changsha, China ... Where to go in Beijing on May Day? Where to go in Beijing on May Day? Good places to go in Beijing on May Day: ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":718,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide for May Day\"\nQuery Dwell Time: 72.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 718\nTitle: \"Detailed guide for traveling around Beijing during the May Day holiday in 9 districts and 2 counties (Part 5)_NetEase Travel\"\nSummary: \"April 23, 2010 - 9 districts and 2 counties \"May 1st\" Beijing surrounding area detailed guide (Part 5) Beijing surrounding area Beijing suburbs May 1st guide\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":719,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide for May Day\"\nQuery Dwell Time: 72.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 719\nTitle: \"Beijing Tours during the May Day Holiday, 2017 Beijing Tours - Mafengwo\"\nSummary: \"The May Day holiday is just around the corner. Have you decided where to go? Don't stay at home and waste your precious time. Beijing friends may want to take a tour around the city to relax. So, what are the good places to go around Beijing during the May Day holiday?\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":720,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 93.99 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 720\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.54 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":721,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 93.99 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 721\nTitle: \"Fixed Gear Bicycle for Students_Fixed Gear Bicycle for Students Price_High Quality Fixed Gear Bicycle for Students Wholesale\/Purchase...\"\nSummary: \"Huicong.com's Fixed Gear Bicycle Student Micro-Portal collects rich content about Fixed Gear Bicycle Student, providing users with various fixed gear bicycle student supply and demand information prices, fixed gear bicycle student information, fixed gear bicycle student pictures, fixed gear bicycle...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.92 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":722,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 93.99 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 722\nTitle: \"Fixed Gear Bicycles High-end Fixed Gear Bicycles - Ade Purchasing Network\"\nSummary: \"Transportation Non-motorized vehicle Bicycle Price: 0 Seller: Xu Mohan Mobile: 15302090319 Inquiry: Please inform me when contacting me from Ade Procurement Network Keywords: Fixed Gear Bicycle High-end Fixed Gear Bicycle Fixed Gear Bicycle DIY Color Matching Fixed Gear Bicycle View...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":723,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 58.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 723\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":724,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 109.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 724\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.52 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":725,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 109.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 725\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 76.81 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":726,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 109.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 726\nTitle: \"\u3010Fixed Gear Bicycle\u3011Fixed Gear Bicycle Price_Fixed Gear Bicycle Wholesale - SouLeWang\"\nSummary: \"Hangu Tianjin Fixed Gear Bicycle: To buy a reasonably priced Tianjin Fixed Gear Bicycle, Aowei Bicycle is the first choice. After the transaction is completed, Aowei Bicycle will promptly arrange for delivery the next day after the order is placed. [Beijing Xuanwu District] Quote: \uffe5 245.00 Which manufacturer in Tianjin...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.81 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":1}
-{"id":727,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 727\nTitle: \"Regarding the luggage weight of international flights! ! ! -\"\nSummary: \"Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (three sides...International flight checked luggage regulations: Airlines' regulations on luggage for boarding. Taking domestic flights, each...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.97 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":728,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 728\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 124.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":729,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 729\nTitle: \"The total weight of the luggage carried by passengers on international flights shall not exceed 5 kg and the volume shall not exceed 20*40*...\"\nSummary: \"True or False The total weight of the luggage carried by passengers on international flights cannot exceed 5 kg, and the volume cannot exceed 20*40*55 cm.\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":730,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 730\nTitle: \"How many pieces and weight of carry-on luggage can I take on international flights?\"\nSummary: \"If your single piece of luggage exceeds 32 kg, such as large musical instruments, sports equipment, and photo\/video equipment, we recommend... There are strict limits on the amount of liquids, aerosols, and gels that passengers on international flights can carry in their hand luggage. LAG items...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":731,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 105.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 731\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.63 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":732,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 105.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 732\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"When Chinese students go abroad to study, packing is a necessary preparation for many students. However, when packing, you need to first understand the baggage regulations of the international flights you are taking. There are strict requirements for the weight of luggage on the plane. Let's take a look...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.91 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":733,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 733\nTitle: \"The latest regulations on carry-on baggage on international flights - Yue Travel\"\nSummary: \"There are no specific regulations for domestic flights, and it is no problem to fill your suitcase with cigarettes. International flights generally only allow two packs of cigarettes, and the rest need to be checked in. Once you are found to be carrying more than two packs of cigarettes, the punishment is very severe. For domestic flights, there is no restriction on cigarettes. Generally...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":734,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 734\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which luggage must be carried on international flights? I already know that nail clippers and scissors must be checked in... Laptops and cameras are also carried on. 2. If your free checked baggage is limited to 20kg, then it can only be 20kg (cannot...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":735,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 735\nTitle: \"Requirements for the number, weight and size of checked and carry-on baggage on certain international flights - Baidu Library -...\"\nSummary: \"The number, weight and size requirements for checked and carry-on baggage on certain international flights are generally consistent with the international regulations that the sum of the three sides of each piece should not exceed 158 cm (economy class). For example, if the three sides of your suitcase are 70, Page 1\/5 1. Ordinary...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":736,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 736\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"\u3010Number of checked baggage\u3011General requirements for the number, weight, and size of checked and carry-on baggage on international flights. International flights have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA Zones 1 and 3, the piece-based system is used, and the regulations...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":737,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 50.26 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 737\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.54 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":738,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 738\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.63 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":739,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 739\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.37 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":0}
-{"id":740,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 18.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 740\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.73 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":741,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 159.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 741\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":742,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 159.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 742\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.78 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":743,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 159.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 743\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.18 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":744,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 744\nTitle: \"Google: The correct way to use Google Glass: Micro-interaction - Internet - Vision Forum - Microsoft Geeks...\"\nSummary: \"According to the BBC, Google recently warned people not to use Google Glass for a long time because it may cause pain. Google said that Google Glass is not for reading \"War and Peace\" and the eyes need time to adapt. Previously, some users complained that wearing Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.9 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":745,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 745\nTitle: \"Google Glass User Manual Q&A_Human-computer interaction technology Google Glass-Nakin.com\"\nSummary: \"Do you know how to use Google Glass after you buy it? Are the functions of Google Glass easy to use? Is Google Glass waterproof? How magical is Google Glass? ... With these questions, we collected answers from users who have used Google Glass, and finally put together the answers that they think ... ...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":746,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 746\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass [ati bar]_Baidu Post Bar\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.53 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":747,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 747\nTitle: \"The correct way to use Google Glass\"\nSummary: \"Sina Weibo: weibo.com\/WYXAPH Twitter: twitter.com\/YX_Wong Contributors: 0 Followers: -- Collection Coins - Watch later Mark it~ Watch it on your phone Offline viewing is more convenient The correct way to use Google Glass Use Bilibili client or other...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.0 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":0}
-{"id":748,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 748\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.69 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":749,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 749\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":750,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 750\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":751,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 751\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.43 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":752,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 752\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"6 issued network license, the new iPhone will be launched in mainland China on October 17, iPhone 6 and iPhone 6 Plus prices start at 5288 yuan and 6088 yuan respectively. This is higher than the original price when it was launched in Hong Kong. Apple...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 144.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":753,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 753\nTitle: \"iPhone 6 price in mainland China is more than 800 yuan higher than in Hong Kong, it is better to buy it directly in HK_Mobile Shenzhen Tong...\"\nSummary: \"iPhone 6 mainland price..., the new iPhone will be available in mainland China on October 17th, check out the prices, iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively! They are more than 800 yuan and 1000 yuan higher than the Hong Kong prices! ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.49 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":754,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 754\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"This time, the iPhone 6 and iPhone 6 Plus, which are even more stylish, were not launched in mainland China, which led to Hong Kong once again... Located in the heart of Central, the hottest shopping area in Hong Kong, the transportation and location are very convenient. [How to buy] If...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 122.24 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":755,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 755\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.53 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":756,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 756\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt the method of online reservation and lottery, and then pay and pick up the phone in the store. This can effectively control the flow of people, prevent scalpers, and disrupt public security order.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 59.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":757,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 757\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"6 issued network license, the new iPhone will be launched in mainland China on October 17, iPhone 6 and iPhone 6 Plus prices start at 5288 yuan and 6088 yuan respectively. This is higher than the original price when it was launched in Hong Kong. Apple...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":758,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 758\nTitle: \"iPhone 6 price in mainland China is more than 800 yuan higher than in Hong Kong, it is better to buy it directly in HK_Mobile Shenzhen Tong...\"\nSummary: \"iPhone 6 mainland price..., the new iPhone will be available in mainland China on October 17th, check out the prices, iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively! They are more than 800 yuan and 1000 yuan higher than the Hong Kong prices! ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.28 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":759,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 759\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt the method of online reservation and lottery, and then pay and pick up the phone in the store. This can effectively control the flow of people, prevent scalpers, and disrupt public security order.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":760,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 760\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"This time, the iPhone 6 and iPhone 6 Plus, which are even more stylish, were not launched in mainland China, which led to Hong Kong once again... Located in the heart of Central, the hottest shopping area in Hong Kong, the transportation and location are very convenient. [How to buy] If...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.85 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":761,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 761\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt the method of online reservation and lottery, and then pay and pick up the phone in the store. This can effectively control the flow of people, prevent scalpers, and disrupt public security order.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":762,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 762\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.28 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":763,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 763\nTitle: \"IPHONE6 import agent \/\/ Apple 6 mobile phone Hong Kong import tariff\"\nSummary: \"IPHONE6 import agent \/\/ Hong Kong import tariffs for iPhone 6 \/\/ iPhone import customs clearance \/\/ US import procedures for Apple phones \/\/ How to import iPhone phones from Japan to Chinese agents \/\/ Hong Kong tax-inclusive import of iPhone 6 Now Apple iPhone 6 has...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 83.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":764,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 764\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 49.06 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":765,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 765\nTitle: \"The fastest way to get it? How to buy iPhone 6 overseas? The speed of three shipping channels: Japan, US and Hong Kong, tariffs and...\"\nSummary: \"\uffe54450-\uffe54650 As a commoner with no connections, there are countless scalpers in Hong Kong channels, and the chances of getting the goods at such a low price are very low. Detailed explanation of direct mail tariffs 10% tariff, because the customs determined that the value of the iPhone is 5,000 yuan, 16...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.62 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":2}
-{"id":766,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 766\nTitle: \"iPhone 6 direct mail to China needs to pay attention to several issues (reprinted)_Singapore_Tianya Forum_Tianya...\"\nSummary: \"Of course, you can still mail the iPhone 6 back from Hong Kong. The iPhone 6 mailed back must go through customs. From the current new...How is the tariff calculated? Thank you! Answer: Hello, according to the General Administration of Customs Announcement No. 43 of 2010, personal post office goods...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.98 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":767,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operator network\"\nQuery Dwell Time: 80.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 767\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":768,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 30.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 8.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 768\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.58 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":769,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 30.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 8.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 769\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.33 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":2}
-{"id":770,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 72.27 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 770\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":771,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 71.12 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 771\nTitle: \"Information about the Chinese aircraft carrier Liaoning\"\nSummary: \"The transformation from private ownership to public ownership of data... But the new Chinese navy can defend the sea borders. What is the main reason for this change? (2 points) [Source: Academic, Science, Network Z, X, X, K] [Emerging] (5) With the first launch of the Chinese aircraft carrier \"Liaoning\"...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.69 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":772,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 71.12 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 772\nTitle: \"The popularity of Liaoning remains high, and model airplanes made of building blocks are popular among netizens - Sohu Education\"\nSummary: \"March 14, 2013 - To this end, our designers searched for all the information related to the Liaoning, from the proportions and dimensions of the aircraft carrier, the details of the hull, to the determination of the types of carrier-based aircraft, and went through more than 10 revisions and adjustments. Finally, in the new year of 2013...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":773,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 71.12 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 773\nTitle: \"Data map: Liaoning aircraft carrier\"\nSummary: \"January 1, 2014 - On January 1, China's first aircraft carrier, the Liaoning, successfully completed a 37-day scientific research test and training in the South China Sea and returned to a military port in Qingdao on the morning of January 1. The Liaoning left a military port in Qingdao on November 26, 2013...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":774,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Advantages and Disadvantages\"\nQuery Dwell Time: 296.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 774\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it_NetEase News\"\nSummary: \"November 29, 2016 - [Global Network Military November 28 report] According to an article on the website of Japan's \"Diplomat\" magazine on November 26, after three years of training, Beijing announced that the \"Liaoning\" aircraft carrier and related air combat forces are ready for combat...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":775,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Advantages and Disadvantages\"\nQuery Dwell Time: 296.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 775\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. In this special... Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 182.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":776,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Advantages and Disadvantages\"\nQuery Dwell Time: 296.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 776\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it_NetEase News\"\nSummary: \"November 29, 2016 - [Global Network Military November 28 report] According to an article on the website of Japan's \"Diplomat\" magazine on November 26, after three years of training, Beijing announced that the \"Liaoning\" aircraft carrier and related air combat forces are ready for combat...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":777,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 57.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 777\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.97 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":778,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 57.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 778\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.63 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":779,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 57.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 779\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.04 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":780,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 780\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":781,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 781\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.22 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":782,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 782\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.38 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":783,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 783\nTitle: \"(Ice-breaking games collection.doc\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":784,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 784\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of people: 10-20 people, preferably half male and half female. Game method: 1. This game is a game of answering \"yes\" and \"no\". But the answer must be insincere and reverse the facts. 2. For example: say to a boy: \"...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":785,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 785\nTitle: \"Super Practical Ice Breaking Game.doc\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 29.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":786,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 786\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":787,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 105.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 787\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 101.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":788,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 122.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 788\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 38.13 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":1}
-{"id":789,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 122.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 789\nTitle: \"Tourist attractions around Beijing, Beijing tourist attractions, farmhouses, farmhouses | Tour Beijing Suburbs\"\nSummary: \"Beijing Suburbs Travel Information Network - Comprehensive information on tourist attractions around Beijing and farmhouses in the suburbs of Beijing, collected and organized by the webmaster for reference by travel enthusiasts.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":790,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 122.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 790\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.74 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":791,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Chengde Bashang Grassland\"\nQuery Dwell Time: 100.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 791\nTitle: \"The most interesting grassland in Chengde Bashang Grassland\"\nSummary: \"Consultation hotline: 0371-53751122 \/ 53751133 Everyone has a grassland dream. The Ulanbutong Grassland in Bashang Grassland allows everyone to feel the true beauty of the grassland. This is not only a paradise for photography, but also the shooting base for many film and television works...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":792,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Chengde Bashang Grassland\"\nQuery Dwell Time: 100.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 792\nTitle: \"Chengde Bashang Grassland\"\nSummary: \"Bashang specifically refers to the area formed by the sudden rise of grassland, and the meadow-like grassland formed due to climate and vegetation. It now generally refers to the area from 100 kilometers north of Zhangjiakou to 100 kilometers north of Chengde, collectively known as the Bashang area. Bashang is divided into...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.69 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":793,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Chengde Bashang Grassland\"\nQuery Dwell Time: 100.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 793\nTitle: \"Chengde Bashang Grassland_Technical Articles_China Encyclopedia\"\nSummary: \"There are many colorful wild flowers in Chengde Bashang Grassland, such as nasturtium, mountain poppy, dandelion, purple-red burdock, steel flower, snow-white celery, silver anemone, blue delphinium, Aconitum, pink fireweed, etc.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.47 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":794,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing to Chengde Bashang Grassland Price\"\nQuery Dwell Time: 26.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 794\nTitle: \"How much does it cost to join a tour group from Beijing to Chengde: Chengde Mountain Resort and Fengning Bashang Grassland for two people for three days...\"\nSummary: \"How much does it cost to join a tour group from Beijing to Chengde: Chengde Mountain Resort, Fengning Bashang Grassland, two-seater three-day tour Chengde Mountain Resort, Fengning Bashang Grassland, two-seater three-day tour View route details >> Beijing surrounding tour route provider: Beijing China Travel Service ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":795,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Purchase\"\nQuery Dwell Time: 36.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 795\nTitle: \"[Shuangyushu second-hand venue\/fixed gear|Shuangyushu second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"[24 pictures] Fixed Gear Shopping creates high-quality fixed gears, challenges the industry's price bottom line, and creates the lowest price and better quality fixed gears. We... Haidian \/ 11-08 \/ Ordinary merchants 650 yuan Beijing's lowest fixed gear store Fixed Gear Shopping Price and quality will satisfy you [24 pictures] Fixed Gear...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.37 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":796,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 96.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 796\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.55 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":797,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 96.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 797\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.63 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":798,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 96.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 798\nTitle: \"\u3010dex fixed gear\u3011_second-hand_transfer_recycling \u2013 Xianyu\"\nSummary: \"Loading, please wait... Region selection May I ask your name? Quanzhou, Fujian Second-hand fixed gear bike. It is old and can no longer be ridden. Bought in a physical store. More than 2,000 yuan. It is a bit dirty after not riding for a long time. 800 yuan, not including postage, and comes with two different bicycle stands and a bull handlebar...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 33.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":799,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Bicycle Store\"\nQuery Dwell Time: 44.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 799\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"tnjmjohmjmz Dear netizens, where are the physical stores selling bicycles near Tsinghua University, Peking University, Beijing University of Science and Technology, and Physical Education University? Please report any political\/pornographic violations. tnjmjohmjmz 09-24 10:30:39 Thank you ls Zbohnbo Tsinghua West Gate to the north, beautiful...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":800,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Bicycle Store\"\nQuery Dwell Time: 44.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 800\nTitle: \"[Bicycle Store] Is it cheaper to buy a bicycle online than in a physical store? \/ There are many things you can buy online...\"\nSummary: \"[Bicycle Store] Is it cheaper to buy a bicycle online than in a store? \/ There are many things that are cheaper online than in a store, such as ZIPPO. But I don\u2019t know if the price difference is big for bicycles? But I know that there are many rare items online, and many parts are hard to buy.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":801,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"map\"\nQuery Dwell Time: 23.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 801\nTitle: \"Beijing map | 3D Beijing map | Beijing map query | Beijing electronic map | Beijing map E city\"\nSummary: \"Provide Beijing map, Beijing map query, 3D Beijing map, 2D Beijing map, satellite Beijing map, bus route query map, tourist routes, traffic routes, subway lines, road attractions, Beijing map and other services, E City Beijing...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.92 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":802,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Maps near Tsinghua University\"\nQuery Dwell Time: 44.95 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 802\nTitle: \"Tsinghua University Map, Beijing Tsinghua University High Definition Map - City Bar Travel Map\"\nSummary: \"Tsinghua University map, high-definition map of Tsinghua University in Beijing (click to view large image) Everyone's impression: The cultural atmosphere is strong, the style is very modern, and the school has a long history and a strong historical atmosphere. The strong academic atmosphere, feel the highest institution of learning...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.59 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":803,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baidu Map\"\nQuery Dwell Time: 59.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 803\nTitle: \"Home - Baidu Map\"\nSummary: \"Download Baidu Mobile Maps and save 90% of traffic! Edit View Map View Real-time Traffic Food Hotel Cinema Bus Station Railway Station Internet Cafe Hotel Shopping Mall Bar Cafe Bathhouse Attraction Supermarket Convenience Store Bank ATM Post Office Toilet Hospital Pharmacy Add...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":804,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baidu Map\"\nQuery Dwell Time: 59.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 804\nTitle: \"Baidu Map Open Platform | Baidu Map API SDK | Map Development\"\nSummary: \"Baidu Map API is a set of free application programming interfaces based on Baidu Maps for developers, including JavaScript, iOS, Android, static maps, Web services and other versions, providing basic maps, location search, surrounding search,...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.1 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":805,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baidu Map\"\nQuery Dwell Time: 59.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 805\nTitle: \"Baidu Map Annotation Center\"\nSummary: \"Baidu Maps provides free annotation and claiming services, which allow you to independently manage your business details page, update business dynamics in real time, and enrich business information, allowing customers to fully understand you and find you, thereby enhancing your brand awareness.\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":806,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 806\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.42 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":807,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 807\nTitle: \"International Flights and Baggage\"\nSummary: \"Although I have asked around for information on luggage preparation, I have no real experience unless I actually go there. Since I prepared my suitcases too early, I... If I don't understand, I will ask the young people around me who speak fluent American English. There are many such people on international flights. After the first time, I will...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.2 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":1}
-{"id":808,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 808\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"When Chinese students go abroad to study, packing is a necessary preparation for many students. However, when packing, you need to first understand the baggage regulations of the international flights you are taking. There are strict requirements for the weight of luggage on the plane. Let's take a look...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.92 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":809,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 809\nTitle: \"I have a question about checked baggage on international flights\"\nSummary: \"Article topic: A question about luggage check-in for international flights He Dazhuang@\u5976\u5a03 Identity User Article Constellation Scorpio Points Level Dongting (8) Sender: happyness123 (Happy Life), Message area: Flyers Tianjin-Shenzhen CA...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":810,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Liquid baggage\"\nQuery Dwell Time: 80.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 810\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"What to do if there are liquids in checked baggage on international flights? 1. Passengers on Chinese international flights can carry no more than 1 liter (L) of liquids (excluding alcohol) per person each time. The excess must be checked in.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":811,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 380.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 165.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 811\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 156.99 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":812,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 380.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.89 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 812\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 89.72 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":813,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 813\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.57 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":814,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 814\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.2 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":815,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 815\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":816,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 27.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 816\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":817,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 22.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 817\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.62 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":818,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 142.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 818\nTitle: \"...Full Network Shanghai Price\u3011Shanghai Apple iPhone 6 Full Network Latest Price_iPhone 6 Full Network...\"\nSummary: \"Version selection Network: Mobile 4G Dual 4G Full Netcom Version: 16GB Licensed 32GB Licensed 64GB Licensed 128GB Licensed You have been located in Shanghai, the version is 32GB Licensed, local reference price: Switch city Please select a city Monthly price...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 126.06 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":819,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 819\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 1015 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.22 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":820,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 820\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.34 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":821,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 821\nTitle: \"Does anyone know the market price of iPhone 6 in Hong Kong? ? ? - Small City Life - Jiangyin Forum -\"\nSummary: \"I want to buy 2 iPhone 6s, 4.7 16G and 64G. I don't know what the price is in Hong Kong. Is it the same as the Hong Kong version here? I want someone to bring 2 back~~~ Does anyone know the market price of iPhone 6 in Hong Kong? ? ?, Jiyang Community\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":822,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong purchase iPhone 6\"\nQuery Dwell Time: 138.3 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 822\nTitle: \"Hong Kong purchase Apple iPhone 6 [multiple pictures]_price_picture - Tmall selection\"\nSummary: \"Tmall selected Hong Kong purchasing Apple iPhone 6 special topic, we selected 160 products related to Hong Kong purchasing Apple iPhone 6 for you based on price, evaluation, and sales volume\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.24 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":823,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong purchase iPhone 6\"\nQuery Dwell Time: 138.3 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 823\nTitle: \"Hong Kong purchase iPhone 66 - Transaction\/Card Number - 16th\"\nSummary: \"The owner of the store is in Hong Kong and goes to Shenzhen to ship goods every week. There are receipts, and you can also trade face to face. Hong Kong purchases iPhone 66, 16 Fan\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":824,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong purchase iPhone 6\"\nQuery Dwell Time: 138.3 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 824\nTitle: \"Does iPhone 6 Hong Kong purchasing support national warranty? How much is iPhone 6 16g in Hong Kong now? - Apple...\"\nSummary: \"A must-have for digital enthusiasts Does the Zhongguancun Online client iPhone6 \u200b\u200bHong Kong purchasing agent support national warranty? How much is the iPhone6 \u200b\u200b16g in Hong Kong now? Views Followers 3 answers Default sorting Default sorting Sort by time Large appliances Hong Kong version can...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 67.69 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":825,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 89.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 825\nTitle: \"Apple (Hong Kong)\"\nSummary: \"Discover the innovative world of Apple and shop iPhone, iPad, Apple Watch, Mac and Apple TV, as well as explore accessories, entertainment and get expert device support.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":826,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 89.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 826\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, plus explore accessories, entertainment, and expert device support.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":827,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 89.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 827\nTitle: \"Hong Kong Apple official website\"\nSummary: \"Liqu shares mobile applications related to Hong Kong Apple Official Website. The editor recommends the latest information of Hong Kong Apple Official Website for you. Hong Kong Apple Official Website is an application pushed to you by Liqu Mobile App Store. To find Hong Kong Apple Official Website, go to Liqu\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":828,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Can iPhones from Hong Kong be used in mainland China?\"\nQuery Dwell Time: 55.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 828\nTitle: \"Can an iPhone purchased in Hong Kong be used normally in the country? Let me tell you the answer - Lei Technology\"\nSummary: \"November 2, 2017 -Due to the cost-effectiveness, many friends have set their sights on the overseas\/Hong Kong version of the iPhone. But before buying, they are also full of doubts in their hearts, whether the non-Chinese iPhone can be used normally?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":829,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Can iPhones from Hong Kong be used in mainland China?\"\nQuery Dwell Time: 55.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 829\nTitle: \"Can Hong Kong iPads and iPhones be used in mainland China? - 55BBS - I Love Shopping\"\nSummary: \"I want to go to Hong Kong to buy an iPad and an iPhone. @\u7bee\u9999\u6e2f\u8d25\u5bb6 Same question, but it is said that IP is out of stock in Hong Kong. I wonder how much cheaper the IPAD can be. It can be used~ But the iPhone is not under warranty in China. For fruit products, except for the iPhone, you can only buy local warranty...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":830,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone purchase tariff\"\nQuery Dwell Time: 25.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 830\nTitle: \"Hong Kong purchase of IPHONE4, direct or encounter tariff issues_iPhone comprehensive forum_Pacific Electric...\"\nSummary: \"I bought an iPhone 4 online. The store owner placed the order for me on September 1.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":831,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 155.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 831\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.15 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":832,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 155.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 832\nTitle: \"Tsinghua University Swimming Pool - [Hot Word Recommendation - Renren]\"\nSummary: \"Every Sunday at noon, students from the Medical Research Class 09 actively participate in swimming exercises in the swimming pool of Tsinghua University. Swimming can effectively relieve pain in the cervical spine, lumbar spine and joints. Persistent exercise can improve the respiratory system, blood circulation system...\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":833,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 155.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 833\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 16\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.0 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":834,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 90.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 834\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"All comments from users of Dianping.com about Beijing Chenming Swimming Pool (Tsinghua University Swimming Pool). (Very good) Environment 4 (Very good) Value for money 4 (Very good) Our school's swimming pool is good value for money. There are not many people at noon, but at night...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 75.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":835,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Card Application\"\nQuery Dwell Time: 101.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 835\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 85.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":836,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 836\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":837,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 837\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":838,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 838\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":839,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 839\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":840,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Role of Liaoning\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 840\nTitle: \"Aircraft carrier China's domestically produced aircraft carrier has a key role in Liaoning's modification and domestic...\"\nSummary: \"WriterFrom:219.131.83.* Breaking news about China's domestically produced aircraft carrier: Liaoning actually plays a key role. The biggest contributor to the Liaoning's modification and domestically produced aircraft carrier is actually this (picture). Since China first proposed to build an aircraft carrier in 1928, the Chinese aircraft carrier...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 77.97 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":841,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Features\"\nQuery Dwell Time: 34.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 841\nTitle: \"Seven major features of Liaoning\"\nSummary: \"This collection is also in the following artboards Recommended collections for you View \"Pad Bot UI Des...@\u8f9b\u96c6Collect to UI [Background\/PAD] (493 pictures... Tree house in the dream. (Transfer) More personalized watch faces, Google launched Android Wear 5.0 more...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":842,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Features\"\nQuery Dwell Time: 34.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 842\nTitle: \"The full load displacement of my country's first aircraft carrier \"Liaoning\" is 67,000, second only to the...\"\nSummary: \"Application APP Primary School Mathematics Primary School My Test Paper Question Basket Recommended Test Paper Campus Number Local Quality Education Institutions (2015 Autumn \u2022 Yulin Final Exam) The full load displacement of my country's first aircraft carrier \"Liaoning\" is 67,000 (), second only to the United States in the world...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.99 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":843,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 843\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":844,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 844\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":845,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 845\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":846,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 846\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":847,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 346.88 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 334.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 847\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.18 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":848,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 116.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 848\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No matter spring, summer, autumn or winter, no matter how dry the weather is or how dry the land is, the water of Shengquan is always the same and gurgles. The spring water originates from a hundred miles away...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":849,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 116.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 849\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":850,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 850\nTitle: \"Costs of Baihua Mountain - Outdoor Information Network\"\nSummary: \"2017 Baihua Mountain Outdoor Travel Guide, 8264 netizens provide you with the most comprehensive Baihua Mountain self-guided tour guide, Baihua Mountain route itinerary, Baihua Mountain tourist attractions introduction. To learn more about Baihua Mountain travel information, go to the outdoor information network destination system!\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":851,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 851\nTitle: \"Baihua Mountain Ticket Booking_Baihua Mountain Ticket Price_How Much Is Baihua Mountain Ticket [Tongcheng Travel]\"\nSummary: \"Tongcheng Travel Network provides Baihua Mountain special ticket booking and Baihua Mountain ticket inquiry services. After successfully booking Baihua Mountain tickets, you can also get a cash red envelope by posting a Baihua Mountain travel review after the tour, allowing you to enjoy real discounts. Tongcheng.com is your happy travel...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":852,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 852\nTitle: \"Mentougou Baihua Mountain Tourism Price | Shuanglong Gorge | Baihua Mountain Tourism Guide | Shuanglong Gorge Tourism Guide Related...\"\nSummary: \"Mentougou Baihua Mountain Tour Price | Shuanglong Gorge | Baihua Mountain Tour Guide | Shuanglong Gorge Tour Guide View route details >> Hot tourist routes Route provider: Beijing Youth Travel Service Release time: In the original regular Beijing tour itinerary, continue Beijing's free...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":853,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 853\nTitle: \"2017 Baihua Mountain Tickets_Baihua Mountain Ticket Prices_Baihua Mountain Ticket Group Purchase_Baihua Mountain Travel\"\nSummary: \"How much does the Baihua Mountain ticket cost? Baidu Travel provides you with the 2017 Baihua Mountain ticket price and ticket inquiry service. Online ticket booking is the safest and most affordable, and group purchase of Baihua Mountain tickets is the most reliable choice.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":854,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Price\"\nQuery Dwell Time: 26.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 854\nTitle: \"Miaofeng Mountain Ticket Group Purchase, Miaofeng Mountain Ticket Price, Miaofeng Mountain Ticket Price\"\nSummary: \"In addition, the \"Tianxian Shengmu Bixia Yuanjun Temple\" founded in the late Ming Dynasty is also very famous. Miaofeng Mountain is one of the most culturally rich scenic spots around Beijing. Tags: Miaofeng Mountain Ticket Group Purchase, Miaofeng Mountain Ticket Price, Miaofeng Mountain Ticket Price\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":855,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 855\nTitle: \"[Miaofeng Mountain Hotel Reservation] Miaofeng Mountain Hotel Price Inquiry, Miaofeng Mountain Hotel Recommendation - Mafengwo\"\nSummary: \"Mafengwo Miaofengshan Hotel Reservation, search for hotel prices and reservation information in various areas of Miaofengshan. Recommend cost-effective Miaofengshan hotels for you through the price, location, facilities, brand, star rating and real user reviews of Miaofengshan hotels, and make reservations online...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":856,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 856\nTitle: \"The address, phone number and price of the farmhouse accommodation around Miaofeng Mountain in Mentougou. Thank you very much. Please give me your business advice...\"\nSummary: \"Miaofeng Mountain Introduction: 60 kilometers from the city center, covering an area of \u200b\u200b20 square kilometers, it is famous for its \"ancient temples, strange pines, strange rocks, and karst caves\". The main peak is 1,291 meters above sea level, with steep mountains and beautiful flowers and plants. There are seasonal landscapes such as sunrise, sunset, rime, and mountain markets, and there are...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":857,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 857\nTitle: \"Beijing Miaofeng Mountain Family Hotel_Price_Recommendation_Booking_Youduoduo Homestay Booking Official Website 2017\"\nSummary: \"189****6638 Beijing warm youth job-seeking apartment Beijing Miaofeng Mountain near 100 yuan or less family hotel Beijing Miaofeng Mountain near... APP download special offer hot price all below 100 yuan 100-200 yuan 200-300 yuan 300 yuan or more custom to confirm...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":858,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 858\nTitle: \"...Beijing Mentougou District\/Miaofeng Mountain Scenic Area Haojiade Hotel Cheap Accommodation Information Price Inquiry_Beijing...\"\nSummary: \"Provide you with the most reliable and authoritative Beijing Mentougou City\/Miaofeng Mountain Scenic Area Haojiade Hotel, Beijing Mentougou City\/Miaofeng Mountain Scenic Area Haojiade Hotel reservation, Beijing Mentougou City\/Miaofeng Mountain Scenic Area Haojiade Hotel and other services\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 44.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":859,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 859\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":860,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 860\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.85 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":861,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 861\nTitle: \"Where are the fixed gear stores in Beijing? - Interactive Q&A on home decoration\"\nSummary: \"The Yiquan store in Lama Temple, the ORYX store in Daxing Hutong, and the one in Tsinghua West Gate or North Gate. I forgot whether I came there. There is a fixed gear park there. Physical stores in Beijing are generally quite expensive. For the living room window area, you can go to Nantong VIC fixed gear store, Nantong No. 1...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":862,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park Price\"\nQuery Dwell Time: 133.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 862\nTitle: \"Makara Fixed Gear Park (Fixed Gear Shop) phone number, address, price, business hours (picture) - North...\"\nSummary: \"Popular cities There are expiring Nuomi coupons View orders Not rated Go to rate orders Not paid Go to pay New merchant replies View Data loading... Baidu Nuomi: nuomivip Popular categories Chinese food Group purchase Makara Fixed Gear Park (Fixed Gear...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":863,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park Price\"\nQuery Dwell Time: 133.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 863\nTitle: \"Makara Fixed Gear Park: The entry-level fixed gear for beginners is still more than 1,500 yuan,...... Beijing Shopping - Da...\"\nSummary: \"I specialize in fixed gear bikes, mountain bikes, and BMX bikes. Makara Fixed Gear Park I want to respond to more user reviews (7) Product: 4 Environment: 3 Service: 3 The boss is very good, the bikes are good, there are many choices, the price is very reasonable, and there are universities around...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":864,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park Price\"\nQuery Dwell Time: 133.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 864\nTitle: \"Makara Fixed Gear Park: \"The owner is very nice, the cars are nice, there are many choices, and the prices are reasonable...\"\nSummary: \"Jingge V5's review of Makara Fixed Gear Park: The boss is very nice, the bikes are nice, there are many choices, the prices are very reasonable, and there are universities all around. I heard from them that this shop was the first one to get fixed gear nearby. There are also some outdoor activities on weekdays, which is very...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":865,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 34.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 865\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.8 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":866,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 34.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 866\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.19 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":867,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 519.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 867\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 297.8 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n","usefulness_score":3}
-{"id":868,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 519.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 868\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Date (subject to the flight date) II. Scope of application 1. This preferential policy applies to baggage transportation segments (including sixth freedom rights transportation) that are subject to Air China's free baggage allowance rules according to IATA Resolution 302 \"Baggage Rules Selection Method\", i.e....\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 125.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":869,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 519.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 869\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":870,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions on flights between China and the United States\"\nQuery Dwell Time: 143.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 870\nTitle: \"General rules for luggage when flying - Studying Abroad - Xiaomuchong Forum Academic | Scientific Research | First Stop\"\nSummary: \"Free carry-on items that exceed the above weight, number of pieces, and volume limits should be checked in as checked baggage. The following items may not be checked in as baggage or sandwiched in baggage, nor may they be carried into the cabin as free carry-on items. Dangerous goods, guns...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 115.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":871,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 41.54 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 871\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in... Put a large tote bag over the laptop to put some other things in. 2. Carry a large backpack (not a roller bag),...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.48 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":872,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 872\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The Quit Smoking Network provides smokers with the best methods to quit smoking, smoking cessation products, and the benefits of quitting smoking. It teaches everyone how to quit smoking, how to quit smoking, and how to quit smoking most effectively. Let us quit smoking together on the Quit Smoking Network!\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.96 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":873,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 873\nTitle: \"How to quit smoking the fastest and most effectively? Quit smoking tool [safe and healthy]\"\nSummary: \"Smoking addiction is mainly the result of the long-term effects of nicotine. You can quit smoking by changing your lifestyle, consulting a doctor, going to a smoking cessation clinic, or using acupuncture. What is the fastest and most effective way to quit smoking? Smoking cessation tools can greatly reduce the risk of cancer.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.31 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":874,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 874\nTitle: \"The ten most effective ways to quit smoking\"\nSummary: \"Make sure your mouth is never empty for cigarettes. The above are ten ways to \"quit smoking most effectively\". For more ways to quit smoking, please see the \"How to Quit Smoking\" column. Previous Quit Smoking: Five Ways to Get Men to Quit Smoking Next Quit Smoking: Quit Smoking to Prevent Relapse...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":875,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 875\nTitle: \"How to quit smoking?\"\nSummary: \"Details: How to quit smoking? Answer: Find a way to quit smoking based on your personal needs 1. A smoking cessation hotline is provided by the National Health Administration, where a specialist will teach you how to quit smoking 2. Smoking cessation clinics provide smoking cessation patches, which are currently available in most hospitals and have good results 3. Quitting...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":876,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 77.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 876\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.97 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":877,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 77.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 877\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":878,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 219.49 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 878\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.28 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":879,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 219.49 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 879\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 136.25 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":0}
-{"id":880,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 219.49 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 880\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":881,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 881\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.52 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":882,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 882\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.71 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":883,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 883\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.77 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":884,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 884\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":885,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 885\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 93.94 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":886,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 85.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 886\nTitle: \"Google Glass user experience: Severe heat generation and limited use cases_TechWeb\"\nSummary: \"May 6, 2014 -Using Google Glass means being prepared to be watched at any time. On a more pessimistic note, although it is relatively rare, cases of people getting into trouble because of using Google Glass have occasionally appeared in the newspapers. However, since the author wants to...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.5 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":887,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 152.72 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 887\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.71 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":888,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 152.72 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 888\nTitle: \"\u3010Apple iPhone 6 Series\u3011Price_\uff08Apple\uff09Apple iPhone 6 Series Mobile Phones...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 108.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":889,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 130.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 889\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 97.43 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":890,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 tax\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 890\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":891,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 tax\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 891\nTitle: \"[iPhone 6 price] Is the cheapest iPhone 6 currently the Hong Kong version? \u2014 iAsk\"\nSummary: \"Because China collects tariffs! And what you see may be the contract price in the United States! 199 299 US dollars! You can consider... How much is the Hong Kong version of iPhone 6, the price of the Hong Kong version of iPhone 6. The price of the Hong Kong version of iPhone 6 can be seen at: http:\/\/www.xpgod....\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.18 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":892,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 892\nTitle: \"If I buy a Hong Kong version of iPhone 6 and get taxed, what is the tax rate? - Hong Kong - 16fan\"\nSummary: \"Go to HK to buy an iPhone 6! If I am taxed during airport security check! What is the tax rate? If I buy a Hong Kong version of iPhone 6 and am taxed, what is the tax rate? 16F\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":893,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 tax\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 893\nTitle: \"Can the Hong Kong version of iPhone 6 be used in mainland China? What is the difference between it and the mainland version? - Hong Kong version of iPhone 6 mainland...\"\nSummary: \"The model of iPhone6plus Hong Kong version is A1524, and the network standards it supports are China Mobile 4g\/3g\/2g and China Unicom 4g\/3g... How is Iqhone6? Has anyone used it? ... My roommate used it, and she said it's not easy to use, mainly because it's a new system and she's not used to it. I hope I can help...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":894,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 175.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 138.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 894\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 92.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":895,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 175.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 138.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 895\nTitle: \"The first article of the swimming section -- Dedicated to my favorite Tsinghua Swimming Pool\"\nSummary: \"I have been lurking in the swimming section for a long time. Today I suddenly want to write something. I decided not to stay at home on weekends recently, so I started swimming again. The swimming pool of Tsinghua University has left me with too many memories. When I was in college, I was still a fat student girl.\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":896,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 441.16 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Comparison of Liaoning with other countries' aircraft carriers\"\nQuery Dwell Time: 147.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 896\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":897,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 441.16 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Comparison of Liaoning with other countries' aircraft carriers\"\nQuery Dwell Time: 147.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 897\nTitle: \"Chinese version of \"Foreign publication \"Liaoning\" and comparison of aircraft carriers of various countries\" - Naval Forum - Tiexue Community\"\nSummary: \"Chinese version of \"Foreign publication \"Liaoning\" and other countries' aircraft carrier comparison\" related articles\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":898,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 70.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 898\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.06 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":899,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 70.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 899\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":900,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 115.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 900\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.77 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":901,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 115.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 901\nTitle: \"Beijing surrounding tourism, Beijing surrounding scenic spots tourism, Beijing suburbs tourism_China Travel Guide\"\nSummary: \"Travel around Beijing is a Chinese travel guide that introduces tourist information of scenic spots around Beijing to travel enthusiasts. It provides convenience for travel enthusiasts who like to travel in the suburbs of Beijing and brings more excitement to your life.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":902,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 902\nTitle: \"Beijing Tourist Map_Beijing Tourist Attractions_Map Nest\"\nSummary: \"Provide Beijing tourist map, Beijing tourist attractions distribution map, Beijing tourist attractions guide map and other map query Beijing tourist popular map total 280 maps Home | Previous page | 1 2 3 4 5 6 7 8 9 | Next page | Last page 20 maps\/page Go to page ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":903,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 903\nTitle: \"Sogou Map-Beijing Electronic Map\"\nSummary: \"Functions include classified information about surrounding areas of life, house finding on maps, travel guide production and sharing, forum exchanges, group purchase maps, Beijing electronic maps, Beijing high-definition satellite maps, Beijing traffic maps, Beijing tourist maps, etc.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":904,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 904\nTitle: \"Beijing map | 3D Beijing map | Beijing map query | Beijing electronic map | Beijing map E city\"\nSummary: \"Provide Beijing map, Beijing map query, 3D Beijing map, 2D Beijing map, satellite Beijing map, bus route query map, tourist routes, traffic routes, subway lines, road attractions, Beijing map and other services, E City Beijing...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":905,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 905\nTitle: \"Beijing tourist map\"\nSummary: \"2017 Latest Beijing Tourism Map_Beijing Tourist Attractions Map_Beijing Tourist Attractions..._Baidu Tourism Baidu Tourism provides you with 2017 Beijing Tourism Map and Beijing Tourist Attractions Map, Beijing Tourist Attractions Ranking, Beijing Tourist Attractions Location Distribution Map...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":906,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 906\nTitle: \"Beijing Tourism Beijing Tourism Network Beijing Tourist Attractions Beijing Tourist Map Routes Forum Introduction Strategy ...\"\nSummary: \"Welcome to Beijing Tourism Network, introducing Beijing tourist attractions, Beijing tourist maps, Beijing tourist routes, Beijing travel guides, etc. China Tourism Network Home China Tourism Forum Beijing Travel Guide This site saves you money 397507 people want to travel to Beijing...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 161.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":907,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 907\nTitle: \"Sogou Map-Beijing Electronic Map\"\nSummary: \"Functions include classified information about surrounding areas of life, house finding on maps, travel guide production and sharing, forum exchanges, group purchase maps, Beijing electronic maps, Beijing high-definition satellite maps, Beijing traffic maps, Beijing tourist maps, etc.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 138.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":908,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fangshan District Attractions\"\nQuery Dwell Time: 85.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 908\nTitle: \"Top 10 Tourist Attractions in Fangshan District, Beijing\"\nSummary: \"Other major attractions include Yidou Spring, Wanghai Temple, and Sutra Library. Shangfangshan National Forest Park in Fangshan District, southwest of Beijing, is famous for its dense forests, beautiful peaks, deep caves, and... [Details] Recommended 9 Xianqi Cave Guide is a Beijing Screen Mountain Tour...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":909,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fangshan District Attractions\"\nQuery Dwell Time: 85.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 909\nTitle: \"Top 10 Tourist Attractions in Fangshan District, Beijing\"\nSummary: \"Other major attractions include Yidou Spring, Wanghai Temple, and Sutra Library. Shangfangshan National Forest Park in Fangshan District, southwest of Beijing, is famous for its dense forests, beautiful peaks, deep caves, and... [Details] Recommended 9 Xianqi Cave Guide is a Beijing Screen Mountain Tour...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.07 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":910,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 81.91 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 910\nTitle: \"Fixed Gear Forum - China's largest fixed gear enthusiasts forum and fixed gear color matching website!\"\nSummary: \"Fixed Gear Club is the largest, most authoritative and most professional fixed gear bicycle forum in China - we are committed to providing the latest and most comprehensive fixed gear videos, fixed gear pictures and fixed gear color matching to the majority of fixed gear enthusiasts in China, and to creating the most professional fixed gear communication community!\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.33 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":911,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 81.91 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 911\nTitle: \"Is a fixed gear bike difficult to control? - Alibaba Business\"\nSummary: \"Share outside the site Views: 152 I will answer Other answers Total 4 It is difficult to adapt to at first Yes, it seems that there are no brakes It is difficult to adapt to at first. If you are not a fixed gear enthusiast, I suggest not to buy it. It is not as good as a mountain bike. It is not ordinary...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":912,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Beijing\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 912\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":913,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Beijing\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 913\nTitle: \"Beijing- Old Boy Bicycle Shop & Beijing Isifei, Wangjing-Huairou. Journey: 130km-in...\"\nSummary: \"[Photographer] Beijing- Old Boy Bicycle Shop & Beijing Icy Fly, Wangjing-Huairou. Journey: 130km\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 145.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":914,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Brand\"\nQuery Dwell Time: 136.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 914\nTitle: \"Top 10 Fixed Gear Brands\"\nSummary: \"Next, let's take stock of the best and most popular fixed gear bike brands. 1. Rockefeller Fixed Gear Bike 2. Forever Fixed Gear Bike 3. Spike Fixed Gear Bike 4. Rex Fixed Gear Bike 5. Phoenix Fixed Gear...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":915,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Brand\"\nQuery Dwell Time: 136.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 915\nTitle: \"Introduction to Fixed Gear Brands\"\nSummary: \"Domestic brands: capone pagan bj SF airwalk (Taiwan) 1. Hubs: 500 and below: Jiuyu, C-Unit (Colossi), Airwalk, Pagan (MIC), Formula, etc. 500-1000: Miche, Gran Compe*,...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":916,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 275.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 916\nTitle: \"The girl who leads the \"fixed flight\" - Kanzhun.com\"\nSummary: \"Those who are obsessed with fixed gear Yan Canshi from Seoul, South Korea had never touched a fixed gear before. After entering Tsinghua University in the fall of 2011, he was influenced by his classmates and came here through introduction. It took two days from booking the car to finally picking it up. Originally...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":917,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 275.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 917\nTitle: \"What do you think of Tsinghua's new regulations on electric vehicles: charging is prohibited on campus? - Zhihu\"\nSummary: \"My family said that since my riding skills were too poor, I was afraid that I couldn't ride a fixed-gear bike, so I just used the bike I got for free when I recharged my phone bill. Although the bikes on the main roads were not as wide and heavy as electric bikes, there were still many people who were scrambling and tangling. They often huddled together after class...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 209.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":918,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"map\"\nQuery Dwell Time: 86.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 918\nTitle: \"Sogou Map-Beijing Electronic Map\"\nSummary: \"Provides map search, bus route query, self-driving route planning, traffic conditions, classified information about surrounding life, map house search, travel guide production and sharing, forum exchange, group purchase map, Beijing electronic map, Beijing high-definition satellite map, Beijing traffic...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 78.22 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":919,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 89.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Flights Checked Baggage Regulations\"\nQuery Dwell Time: 76.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 919\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":920,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 89.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Flights Checked Baggage Regulations\"\nQuery Dwell Time: 76.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 920\nTitle: \"A must-read before traveling during the Dragon Boat Festival! Major changes to airlines\u2019 free baggage regulations\"\nSummary: \"Recently, Air China has introduced new regulations on luggage check-in for international flights. Here is the latest and most comprehensive luggage check-in manual. The editor will teach you step by step so that you don't waste money anymore! Air China has introduced new regulations on luggage check-in for international flights! 1....\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":921,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 921\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.4 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":922,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 922\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.18 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":1}
-{"id":923,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 923\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - after quitting smoking, you will find that your irritable mind can calm down, and your mind that was always distracted can be easily focused. Although men in business talks usually have to give cigarettes to the other party, but the effects of cigarettes on the body...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.4 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":924,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 924\nTitle: \"Benefits of quitting smoking\"\nSummary: \"Benefits of Quitting Smoking After quitting smoking, smokers will experience a series of beneficial changes in their organs, which are roughly as follows: Within 20 minutes: blood pressure drops to the standard level; pulse drops to the standard speed; the temperature of the hands and feet rises to the standard body temperature; 8 hours...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":925,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 562.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 925\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.36 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":2}
-{"id":926,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 562.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 926\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":927,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 24.29 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 927\nTitle: \"Introduction to smoking cessation methods\"\nSummary: \"This method is worth trying when other methods have failed. \"I started to quit smoking with the help of the patch. Later I used 2mg nicotine gum instead of the patch. So far, I have been using nicotine replacement for 8 months. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":928,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 928\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.25 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":929,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 929\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.61 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":930,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 930\nTitle: \"The embarrassment of Google Glass: Can enter the country but can't leave home? _Viewpoint_PConline...\"\nSummary: \"May 17, 2013 - Google Glass is one of the most controversial products of Google in recent years. Before the development version was shipped, people were curious and hoped to get this magical pair of glasses. But when the glasses were officially shipped...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.99 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":0}
-{"id":931,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 931\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.64 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":932,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 932\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.07 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":933,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 933\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.83 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":934,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone price\"\nQuery Dwell Time: 77.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 934\nTitle: \"iPhone SE price comparison in different regions: Hong Kong version is the best! - Apple, iPhone SE, price,...\"\nSummary: \"March 22, 2016 - The following are the prices of several major market versions of iPhone SE for your reference: China version: 16GB 3288 yuan, 64GB 4088 yuan US version: 16GB 399 US dollars (\uffe52585), 64GB ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":935,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 239.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 935\nTitle: \"How much is the price of iPhone 6 Hong Kong version?\"\nSummary: \"2011-08-26How much does the iPhone 6 cost? 530 2014-03-20... Answer: iPhone 6 64g Hong Kong version 5,588 Hong Kong dollars iPhone 6 Plus 64g Hong Kong version 6388 Hong Kong dollars Answer: The advantage of parallel imports is that the price will definitely drop after the listing boom, but Apple...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 175.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":936,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 239.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 936\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.16 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":937,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 239.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 937\nTitle: \"How much is the iPhone 6 Hong Kong version? The first price of the iPhone 6 Hong Kong version is exposed Apple Forum - PP Help...\"\nSummary: \"How much does the iPhone 6 Hong Kong version cost? I believe this question must be the most concerned by everyone. It is true that the Chinese mainland is not the first to launch the iPhone 6, but Hong Kong is. Therefore, Apple fans who want to get it as soon as possible must be concerned about the price of the iPhone 6......\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":938,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 164.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 938\nTitle: \"Apple (Hong Kong)\"\nSummary: \"Discover the innovative world of Apple and shop iPhone, iPad, Apple Watch, Mac and Apple TV, as well as explore accessories, entertainment and get expert device support.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":939,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 164.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 939\nTitle: \"Apple Hong Kong official website\"\nSummary: \"What does the Apple Hong Kong official website bring to you? These apps can be perfectly integrated with your back-office system; data can be divided... 1. Introduction to Apple Inc. Apple Inc. is a high-tech company in the United States. Founded by Steve Jobs...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":940,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 940\nTitle: \"If I buy an iPhone 4S from Hong Kong and bring it to mainland China, do I need to pay customs duties? How much is it? ...\"\nSummary: \"Wenkin asked: If I buy an iPhone 4S from Hong Kong and enter the mainland, do I need to pay customs duties? How much is it? I am using it for my own use, not selling it back. The editor recommends the answer: If the only item you are passing through customs is the iPhone, it should be less than RMB 5000...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":941,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 941\nTitle: \"How much customs duty do I have to pay when I bring my iPhone 4 back from Hong Kong? _iPhone question_...\"\nSummary: \"January 6, 2012 - The editor recommends the answer: A machine is now 500, which has been halved. It used to be 1000. My friend brought me a tariff of 500 yuan! Tip: The keyboard \"\u2190 \u2192\" key is supported to turn pages. Read the full text\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":942,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 942\nTitle: \"Is the Hong Kong version of iPhone 6 compatible with all three networks? Can it be used with Telecom 234g? Will it work if a friend brings it back from Hong Kong?\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Is the Hong Kong version of iPhone 6 compatible with the three networks? Can it be used with Telecom 234g? Will my friend be charged customs tax if I bring it back from Hong Kong? Is the Hong Kong version of iPhone 6 compatible with the three networks? Can it be used with Telecom 234g? My friend is from Hong Kong...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 103.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":943,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 943\nTitle: \"Going to Hong Kong to buy iPhone 7 requires tax, 15% tax rate per unit | Passengers | Customs | Tax payment_Sina Finance_Sina.com\"\nSummary: \"September 21, 2016 - The same model of mobile phone is priced at 8288 Hong Kong dollars on Apple's official website in Hong Kong, which is equivalent to 7130 yuan. With the tariff of 1070 yuan, the total price is 8200 yuan, which is not as cheap as the domestic version. Therefore, consumers who intend to buy Apple mobile phones overseas...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 125.3 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":944,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 944\nTitle: \"How much tariff is levied on iPhone 5 32G purchased in Hong Kong? ! - Apple iPhone 5 (16GB) - ZOL asks...\"\nSummary: \"1 answer: It depends on your luck. It may be tight now. Hong Kong just listed it today. Most people secretly bring it through the border. I don't advocate this. If you are caught, you will have to pay taxes. I hope this helps you. Thank you for your question. I hope you can accept it. Thank you...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.79 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":945,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 139.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University\"\nQuery Dwell Time: 99.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 945\nTitle: \"Tsinghua University Information Portal System\"\nSummary: \"10 and above 64Bit for Windows 10 and above 32Bit SSL VPN Client Installation Demonstration Video (Windows 10 and above) SSL VPN Client Installation Demonstration Video (for MAC) its@tsinghua.edu.cn\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 84.43 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":946,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 946\nTitle: \"Experts: China's domestic aircraft carriers are significantly behind those of powerful countries, and India also has three\"\nSummary: \"January 1, 2016 - Beijing Times (Reporter Pan Shanju) Yesterday, the Ministry of National Defense spokesman Yang Yujun confirmed at a regular press conference that China has launched the development of its second aircraft carrier and is independently designing and building it. The aircraft carrier...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":947,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 947\nTitle: \"Comparison between China's \"Liaoning\" and aircraft carriers of other countries (photo)\"\nSummary: \"With the official delivery of my country's first aircraft carrier to the navy, \"aircraft carrier\" has once again become a hot topic. Aircraft carrier, referred to as \"aircraft carrier\" or \"air carrier\", is a large surface ship with carrier-based aircraft as its main combat weapon...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.99 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":948,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 948\nTitle: \"[Original] Comparison of the strength of the world's active aircraft carriers - Naval Forum - Tiexue Community\"\nSummary: \"Comparison of the strength of the world's active aircraft carriers ---- Written on the festive day of the launch of the 001A aircraft carrier (original) As a model of naval strength, the Yuhuxin aircraft carrier has always been the focus of everyone's attention. Today, the 001A aircraft carrier was finally launched amid the expectations of the Chinese people...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":949,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 949\nTitle: \"Where does China's aircraft carrier rank in the world? US media compares the strength of four countries' aircraft carriers_Qing News__China...\"\nSummary: \"April 28, 2017 - US aircraft carriers: 10 in service The United States not only has the largest navy in the world, but the US Navy has more than 75 years of carrier-based aviation experience. A US \"carrier strike group\" - the largest combat unit of the US Navy...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":950,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 950\nTitle: \"Comparison of Chinese aircraft carriers with those of the United States, Russia, India, France and other countries_Sohu Military_Sohu.com\"\nSummary: \"Table 1. Comparison of the main parameters of Chinese and Russian aircraft carriers Country Russia China Chinese aircraft carrier model Kuznetsov Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65,000 tons 67,000 tons Power type...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":951,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 951\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Table 1. Comparison of the main parameters of Chinese and Russian aircraft carriers Country Russia China Chinese aircraft carrier model Kuznetsov Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":952,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 110.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 952\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.82 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":953,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 110.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 953\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 81.29 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":954,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 954\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":955,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 955\nTitle: \"Ice-breaking games for on-the-job training_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for instructors) small plush toys, ping-pong balls, small plastic... Clothing...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.15 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":956,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 956\nTitle: \"A collection of ice-breaking games for employee training, ice-breaking games for employee training, 9564 employee training...\"\nSummary: \"(15 games have been updated today) This month's ice-breaking games for employee training rankings (a total of 1664 games) Game employee training ice-breaking games information and strategies (the most fun game strategies!) Friendly links (Welcome to join me...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.93 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":957,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 957\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of participants: 4 people per group Time: 15 minutes Venue: unlimited Props: none Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Used to liven up the atmosphere before training and meetings. Used under great pressure...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":958,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 958\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Answer freely [Ice-breaking game] Number of participants: 4 people in a group Time: 15 minutes Venue: Unlimited Props: None Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Use to liven up the atmosphere before training and meetings Under great pressure...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":959,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 151.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 135.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 959\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":960,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 151.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 135.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 960\nTitle: \"[Ranking of tourist attractions around Beijing] 2017 Ranking of tourist attractions around Beijing - Beijing Local Treasure\"\nSummary: \"Ranking of attractions around Beijing Beijing Local Treasure provides you with ranking information of tourist attractions around Beijing and tells you which tourist attractions around Beijing are the most fun.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.29 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":961,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 151.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 135.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 961\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing and collect the most complete information about tourist attractions around Beijing! The Baishishan Scenic Area covers an area of \u200b\u200b54 square kilometers. The highest peak is Yundu Peak, which has an altitude of 2,096 meters. The mountain is full of white stones and has many peaks... Qiao Family Courtyard...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.5 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":3}
-{"id":962,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 60.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 962\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.77 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":963,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 60.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 963\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":964,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store near Tsinghua University\"\nQuery Dwell Time: 28.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 964\nTitle: \"Is there a place selling bicycles near the east gate of Tsinghua University? - Ask Knowledge\"\nSummary: \"Is there a place selling bicycles near the east gate of Tsinghua University? : Exit the east gate of Tsinghua University, walk about 100 meters towards Chengfu intersection, and there is one on the left. Exit the west gate of Tsinghua University, walk forward towards Tsinghua Affiliated Middle School, there are also places selling electric cars and bicycles?\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.95 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":965,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 27.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 965\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Second-hand bicycles 6722 people gathered in this group Join the group Latest topics (more) A permanent bicycle without a frame. Easy to ride, strong. (Delicious sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike,...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":966,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 27.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 966\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.61 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":967,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carry-on luggage specifications\"\nQuery Dwell Time: 130.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 967\nTitle: \"Luggage size requirements for airplanes\"\nSummary: \"1 carry-on piece, less than 18 kg, the sum of the 3 sides of each piece is less than 115 cm. American Airlines (AA) Air China's luggage regulations: 2 checked pieces, each less than 23 kg, 1 piece, the sum of the 3 sides is less than 158 cm, and the sum of the 3 sides of the other piece is less than 115 cm, 1 carry-on piece...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 69.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":968,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carry-on luggage specifications\"\nQuery Dwell Time: 130.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 968\nTitle: \"What are the size requirements for suitcases on airplanes?\"\nSummary: \"(i) Suitcases, travel bags and handbags must be locked; (ii) Two or more packages cannot be bundled into one; (iii)... Answer: There are not only weight requirements but also size requirements for carry-on luggage on board. If the size exceeds the requirements, it can only be checked in...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":969,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carry-on luggage specifications\"\nQuery Dwell Time: 130.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 969\nTitle: \"Luggage size requirements for airplanes\"\nSummary: \"1 carry-on piece, less than 18 kg, the sum of the 3 sides of each piece is less than 115 cm. American Airlines (AA) Air China's luggage regulations: 2 checked pieces, each less than 23 kg, 1 piece, the sum of the 3 sides is less than 158 cm, and the sum of the 3 sides of the other piece is less than 115 cm, 1 carry-on piece...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":970,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline carry-on luggage weight\"\nQuery Dwell Time: 98.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 970\nTitle: \"[Luggage Weight Limit] What is the weight limit for luggage on an airplane? \u2014 Ask Knowledge\"\nSummary: \"[Luggage Weight Limit] What is the weight limit for luggage on an airplane? For passengers holding adult or child tickets, the free checked baggage limit per person is: 40 kg for first class, 30 kg for business class, and 20 kg for economy class. Passengers holding infant tickets...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":971,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline carry-on luggage weight\"\nQuery Dwell Time: 98.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 971\nTitle: \"What is the weight limit for carry-on luggage on domestic flights? - Mafengwo\"\nSummary: \"The carry-on baggage is 5kg, and the checked baggage is 20kg. So don't exceed too much. Share Add Comment Collection Checked baggage is 20kg, and the carry-on baggage is 5kg. Low-cost airlines have less. Share Add Comment Collection Checked baggage is 20kg, and the carry-on baggage is 5kg. Share Add Comment Collection Report 0 ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":972,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"You can't bring it on board an airplane\"\nQuery Dwell Time: 101.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 972\nTitle: \"[Requirements for taking things on board] What can\u2019t you bring on board? \/ Urgent! Ask the Experts\"\nSummary: \"\u3010Requirements for Bringing on Board\u3011What You Can\u2019t Bring on Board\/Urgent!!!!!!!!!!!!!!! Items You Can\u2019t Bring on Board According to the New... According to the Civil Aviation Administration of China, live seafood cannot be brought on board and can only be checked in. Checked in also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 83.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":973,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline checked baggage specifications and weight\"\nQuery Dwell Time: 70.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 973\nTitle: \"Aircraft checked baggage size regulations - Airline ticket information - Passenger terminal\"\nSummary: \"Aircraft checked baggage size regulations A: The weight of each piece of checked baggage cannot exceed 50 kg, and the volume cannot exceed 40*60*100 cm. Baggage exceeding the above regulations must be approved by the airline in advance before it can be checked in. Other baggage regulations for aircraft ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.81 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":974,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline checked baggage specifications and weight\"\nQuery Dwell Time: 70.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 974\nTitle: \"\u3010Carry-on luggage\u3011How much should I weigh for checked luggage and carry-on luggage when I take a flight? \u2014 Love...\"\nSummary: \"[Carry-on luggage] What is the weight of checked luggage and carry-on luggage when taking a flight? The weight of checked luggage and carry-on luggage when taking a flight: 5 kg of carry-on luggage (a backpack and a small trolley case). Free checked luggage for economy class...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":975,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 53.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 975\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.21 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":976,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 53.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 976\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":977,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 83.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 977\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":978,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 83.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 978\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.24 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":979,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 102.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 979\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.67 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":980,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 102.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 980\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"How to quit smoking 2017-10-09 Lungs after quitting smoking 2017-10-09 Five steps to quit smoking 2017-10-09 Things to note after quitting smoking 2017-10-09 Symptoms after quitting smoking 2017-10-09 Physical changes after quitting smoking 2017-10-09 Tips to quit smoking 2017-10-09...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.82 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":981,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 814.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 808.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 981\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 111.52 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":982,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 814.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 808.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 982\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 653.63 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":983,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 814.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 808.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 983\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":984,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 49.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 984\nTitle: \"iPhone 6 Hong Kong version\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone quotation iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":985,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 49.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 985\nTitle: \"iphone6 \u200b\u200bHong Kong version 64g [multiple pictures]_price_picture - Tmall selection\"\nSummary: \"Tmall selected iPhone 6 Hong Kong version 64g special topic, we selected 1116 products related to iPhone 6 Hong Kong version 64g for you based on price, evaluation and sales volume\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":986,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do mainland operators support the Hong Kong version of iPhone 6?\"\nQuery Dwell Time: 56.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 986\nTitle: \"If the iPhone 6 is not approved by the Ministry of Industry and Information Technology, can the Hong Kong version be used in mainland China? - iPhone 6 General...\"\nSummary: \"If the iPhone 6 is not approved by the Ministry of Industry and Information Technology, can the Hong Kong version be used in mainland China? If the iPhone 6 is not approved by the Ministry of Industry and Information Technology, can the Hong Kong version be used in mainland China?, Weiphone Forum\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":987,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Can the Hong Kong version of iPhone 6 be used in mainland China?\"\nQuery Dwell Time: 56.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 987\nTitle: \"Can the Hong Kong version of iPhone be used in the mainland? - Can the Hong Kong version of iPhone 6 be used in the mainland? The difference between the Hong Kong version of iPhone 6 and the...\"\nSummary: \"The Chinese iPhone can be used directly with a card in the mainland, and can be repaired in mainland China; the Japanese iPhone cannot be used directly with a card,...Can the Hong Kong version of the Apple phone be used in the mainland? ... 1. The Hong Kong version of the Apple phone can be used in the mainland, and the Hong Kong version...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.71 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":988,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when bringing Hong Kong version of iPhone 6 into mainland China?\"\nQuery Dwell Time: 52.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 988\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than domestic ones, and iPhone 6 is no exception. Many netizens who are planning to travel to Hong Kong can't help but wonder whether they need to pay taxes when buying iPhone 6 in Hong Kong? What is the price? Is it cheaper than domestic...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":989,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 27.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 989\nTitle: \"...Full Network Shanghai Price\u3011Shanghai Apple iPhone 6 Full Network Latest Price_iPhone 6 Full Network...\"\nSummary: \"Version selection Network: Mobile 4G Dual 4G Full Netcom Version: 16GB Licensed 32GB Licensed 64GB Licensed 128GB Licensed You have been located in Shanghai, the version is 32GB Licensed, local reference price: Switch city Please select a city Monthly price...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.75 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":990,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 27.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 990\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.27 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":991,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 129.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 991\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.04 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":992,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 129.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 992\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"Oh hoo~~ 7 yuan per session for on-campus people~~ by...\"\nSummary: \"Tianxia Dianxiagepingjie's review of Chen Ming Swimming Pool (Tsinghua University Swimming Pool): Oh, oh, 7 yuan per session for people on campus, because it is so cheap, there are many people, and after the test, there are also many people in the deep water area.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":993,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 129.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 993\nTitle: \"Beijing - Tsinghua University Chen Ming Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Chen Ming Swimming Pool is located at Tsinghua University, No. 30 Shuangqing Road, Haidian District, Beijing. Tel: 010-62792477; 010-62792475. Sogou Map provides you with the location, map, bus query, and self-driving route of Tsinghua University Chen Ming Swimming Pool...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.23 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":994,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The exact location of Chen Ming Swimming Pool at Tsinghua University\"\nQuery Dwell Time: 21.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 994\nTitle: \"How to get to No. 30 Shuangqing Road, opposite the East Campus of Tsinghua University (near Wudaokou), Chenming Swimming Pool...\"\nSummary: \"957 Express 2, 697, 982 Tsinghua University West Gate Station, Yuntong Line 110, 333, 913, 628, 355, 438, 466... \u200b\u200bmore Note: The map location is for reference only, the specific situation is subject to the actual road sign information. Introduction: Chen Mingyou...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":995,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 90.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 995\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":996,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 90.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 996\nTitle: \"Only 9 yuan! A single ticket to Tsinghua University Chen Ming Swimming Center, originally priced at 18 yuan, enjoy a 1~1....\"\nSummary: \"I bought the swimming tickets for Tsinghua University Swimming Pool on Meituan. I am injured and cannot go. I want to transfer them. Each ticket is 10 yuan. Valid until August 25. There are 3 tickets in total. [url]http:\/\/bj.meituan.com\/deal\/868768.html[\/url]Contact information:...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":997,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 90.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 997\nTitle: \"Chen Chen 165's comments on how good Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is -...\"\nSummary: \"Official identity reply to user comments The response content should be greater than 0 and less than 500 characters! Cancel Address: No. 30 Shuangqing Road, Haidian District, opposite the East Campus of Tsinghua University Phone: 010-62792475 Category: Wudaokou Chenchen165's other comments\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":998,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 294.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 282.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 998\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.09 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":999,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 544.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 128.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 999\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 123.79 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":1000,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 544.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaking Games Staff Training\"\nQuery Dwell Time: 387.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1000\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 383.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1001,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism\"\nQuery Dwell Time: 30.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1001\nTitle: \"Where to go in Beijing in 2017? Beijing Tourism, the most worthwhile places to visit in Beijing_LeTou Travel Network\"\nSummary: \"Welcome to Beijing's Loto. Loto's unique interest engine recommends unique tourism elements in Beijing, allowing you to discover a different Beijing and bring you the most fashionable travel inspiration to Beijing. Let's lotour!\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1002,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 46.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1002\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.43 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1003,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Tourism\"\nQuery Dwell Time: 97.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1003\nTitle: \"Baiyangdian Tourism Network--Make your Baiyangdian travel easier\"\nSummary: \"Baiyangdian Tourism Network provides Baiyangdian tourism, Baiyangdian self-driving tour, Baiyangdian self-guided tour, Baiyangdian farmhouse, Baiyangdian hotel reservation, Baiyangdian meal reservation, Baiyangdian route, Baiyangdian tour guide, Baiyangdian conference reception, Baiyangdian individual tourist reception consultation...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1004,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Tourism\"\nQuery Dwell Time: 97.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1004\nTitle: \"2017 Baoding Baiyangdian Tourism Guide - Baiyangdian Self-guided Tour - Baiyangdian Tickets, Transportation, Weather, Attractions Introduction\"\nSummary: \"Provide the latest 2017 Baoding Baiyangdian travel guide, including a detailed introduction to Baoding Baiyangdian attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.09 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1005,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Travel Guide\"\nQuery Dwell Time: 35.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1005\nTitle: \"Baiyangdian Travel Guide_Xin Blog\"\nSummary: \"Category: Travel Information Tags: Baiyangdian Tourism Beijing Surrounding Tourism Read 906 Comments 0 Baiyangdian Tourism Guide: 1. Introduction to Baiyangdian Baiyangdian is the largest lake on the Haihe Plain in China. It is located in the central part of Hebei Province. It was formerly known as Baiyangdian, also known as Xi...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.89 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1006,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Travel Guide\"\nQuery Dwell Time: 35.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1006\nTitle: \"Baiyangdian Travel Guide_Lvmama Travel Guide\"\nSummary: \"Lvmama Guide: Baiyangdian is located in the central part of Hebei Province, 45 kilometers away from Baoding City, with the Daqing River running through it from east to west. Baiyangdian is a collective name for a group of lakes consisting of 143 lakes of varying sizes and more than 3,700 trenches. The larger lakes include Baiyangdian, Shaoche...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 19.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1007,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 122.33 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1007\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 105.42 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1008,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bike Price Range\"\nQuery Dwell Time: 39.95 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1008\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 25.69 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1009,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 106.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1009\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 74.04 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":1010,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 106.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1010\nTitle: \"\u3010Disc brake fixed gear\u3011Price_Picture_Brand_Review-JD.com\"\nSummary: \"JD.COM is a professional online shopping mall for disc brake fixed gears in China, providing information on disc brake fixed gear prices, quotes, parameters, reviews, pictures, brands, etc. If you want to buy disc brake fixed gears, go to JD.COM.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1011,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"JD.com\"\nQuery Dwell Time: 24.1 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1011\nTitle: \"JD.com-Welcome to log in\"\nSummary: \"English Site login page, questionnaire Mobile Jingdong register immediately About us Contact us Talent recruitment Merchant settlement Advertising service Mobile Jingdong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1012,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 47.34 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1012\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.08 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":1013,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International Flight Baggage Regulations 2017\"\nQuery Dwell Time: 103.35 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1013\nTitle: \"2017 Aircraft Checked Baggage Regulations_2017 Aircraft Checked Baggage Detailed Regulations - Life Network\"\nSummary: \"2017 Aircraft Checked Baggage Regulations_2017 Aircraft Checked Baggage Detailed Regulations Checking luggage when traveling by plane is a hassle... Passengers holding infant tickets do not have free baggage allowance. The free baggage allowance regulations for international flights vary from airline to airline. The composition...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.77 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1014,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International hand luggage weight\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1014\nTitle: \"China International Shipping Company Luggage Weight Regulations_www.dragonsea-china.com\"\nSummary: \"You are here: Home > International Express > China International Shipping Company Baggage Weight Regulations 1. China International Airlines (CA): 20 kg for international checked baggage (30 kg for students) except for the US and Canada routes, 10 kg for hand luggage 115 cm above the ground. For the US and Canada routes, the luggage weight is 20 kg.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 241.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1015,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International hand luggage weight\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1015\nTitle: \"[Help] Ask Air China staff about the carry-on luggage weight for international trips~\"\nSummary: \"Topic: [Help] Ask Air China staff - about the weight of hand luggage for international trips~ You are here: Home >> Air China Forum [Edit] [Reply] [Quote] My friend took an Air China flight from Beijing to Frankfurt, Germany on September 9, and then transferred...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.3 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1016,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International hand luggage weight\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1016\nTitle: \"International Flight Luggage Weight\"\nSummary: \"Requirements for the number, weight and size of checked and carry-on luggage on general international flights When traveling between Zones 1 and 3 of IATA, the piece-rate system is adopted, stipulating that passengers in F\/C cabins can check in two pieces of luggage, each weighing no more than 32KG, and the size of each piece...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1017,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1017\nTitle: \"What are the luggage weight regulations for international flights?\"\nSummary: \"Carry-on baggage: The maximum size of standard carry-on baggage is 56*45*25 (cm), with no weight limit, but passengers must be able to put their luggage into the luggage locker on the top of the cabin independently. Plus a briefcase or a laptop or luggage of the same size...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.92 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1018,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights checked baggage weight\"\nQuery Dwell Time: 39.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1018\nTitle: \"Regarding the luggage weight of international flights! ! ! -\"\nSummary: \"International flight checked luggage size issues: General international flight checked and carry-on luggage number, weight, size requirements http:\/\/wenku.baidu.com\/... About international students' luggage weight issues: International\/regional flights: 1. Passengers take...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1019,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights checked baggage weight\"\nQuery Dwell Time: 39.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1019\nTitle: \"What are the weight requirements for carry-on baggage on Air China international flights?\"\nSummary: \"Post number: 2 Page: Share to: Article topic: What are the weight requirements for random baggage on Air China international flights? ? dragondog Sender: dragondog (), Message area: FeiyueLaoyou As the title says, I asked a lot of questions and they were all different. Air China...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1020,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights checked baggage volume\"\nQuery Dwell Time: 50.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1020\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1021,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 78.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1021\nTitle: \"Regulations on Checked Baggage on International Flights\"\nSummary: \"Hailong International Luggage Transport Company International Flight Checked Baggage Regulations China International Airlines International Flight Checked Baggage Regulations, the specific contents are as follows: International routes free baggage allowance is divided into weight-based free baggage allowance and piece-based free baggage allowance. Weight-based free baggage allowance... Articles entering or transiting and other restricted items. Passengers are not allowed to carry weapons, sharp objects and lethal weapons on board. Transportation...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.55 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1022,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International Flights Baggage Information\"\nQuery Dwell Time: 54.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1022\nTitle: \"How many ml of liquid can I bring on an international flight? - Mafengwo\"\nSummary: \"If there are 10 bottles, does the 6ml eye drops and a 22ml mask count as one bottle? What is the process for security check? Do I need to take them out for security check separately? I am taking an international flight~ Thank you for your answer\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.72 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1023,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights Liquids\"\nQuery Dwell Time: 54.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1023\nTitle: \"What are the restrictions on checked liquids on international and domestic flights? I want to bring some boiled Chinese medicine...\"\nSummary: \"I want to bring some boiled Chinese medicine, vacuum packed, can I... Check it in! Not carry on! 272 views 0 people follow Follow Answer 1 answer Most flights do not allow liquids over 50ml. Chinese medicine is even more forbidden. Chinese patent medicines are limited...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.02 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1024,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 155.29 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1024\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 148.3 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1025,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 188.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1025\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 171.78 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":3}
-{"id":1026,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 188.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1026\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.76 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":1027,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 121.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1027\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 85.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1028,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 121.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1028\nTitle: \"Introduction to smoking cessation methods\"\nSummary: \"This method is worth trying when other methods have failed. \"I started to quit smoking with the help of the patch. Later I used 2mg nicotine gum instead of the patch. So far, I have been using nicotine replacement for 8 months. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1029,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"google glass\"\nQuery Dwell Time: 143.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1029\nTitle: \"GoogleGlass- Wikipedia\"\nSummary: \"Google Glassis an optical head-mounted display designed in the shape of a pair of eyeglasses. It was developed by X (previously Google X) with the mission of ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 121.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1030,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 27.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1030\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.68 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1031,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1031\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.63 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1032,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1032\nTitle: \"The core functions of Google Glass cannot be used in China, and large-scale promotion is difficult | Google Glass | Google | Now_...\"\nSummary: \"April 28, 2014 - According to our reporter, so far, very few people have used Google Glass, and there is no official sales channel in China. Various videos showing the \"magical functions\" of Google Glass circulating on the Internet have further enhanced the public's interest in it...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1033,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taobao\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1033\nTitle: \"What are the functions of Google Glass - CSDN Blog\"\nSummary: \"From GPS navigation, intelligent language search, video conferencing to Gmail email, calendar, Googleplus and photo sharing, many functions are integrated into the Google Glass application. When you need them, they are turned on; when you don't need them...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1034,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1034\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.95 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":1035,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 53.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1035\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.76 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":1036,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 53.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1036\nTitle: \"Google Glass goes global, lands in the UK, costs 1,000 pounds | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.78 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1037,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 65.72 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1037\nTitle: \"...Full Netcom Beijing Price\u3011Beijing Apple iPhone 6 Full Netcom Latest Price_iPhone 6 Full Netcom...\"\nSummary: \"Version selection Network: Mobile 4G Dual 4G Full Netcom Version: 16GB Licensed 32GB Licensed 64GB Licensed 128GB Licensed You have been located in Beijing, the version is 32GB Licensed, local reference price: Switch city Please select a city Monthly price...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.57 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":3}
-{"id":1038,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 17.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1038\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1039,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 17.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1039\nTitle: \"\u3010iPhone 6 Hong Kong version price\u3011iPhone 6 Hong Kong version price latest information - ZOL Zhongguancun Online\"\nSummary: \"ZOL Zhongguancun Online provides you with professional and timely solutions to problems related to the price of the Hong Kong version of iPhone 6, solving the price issues of the Hong Kong version of iPhone 6 that current users are concerned about.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1040,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 90.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1040\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"With the iPhone 6 being launched in Hong Kong, China, many Apple fans have already been waiting at the official Apple flagship stores in Hong Kong. Where can iPhone 6 be bought in Hong Kong? How to get there? Let's take a look. 1) IFC Store Address: IFC...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.79 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1041,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 brings back tax\"\nQuery Dwell Time: 90.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1041\nTitle: \"iPhone6 \u200b\u200bHong Kong official website booking guide, how to book iPhone6 \u200b\u200bon Hong Kong official website - Xiao Ni Dou - ...\"\nSummary: \"There are two ways to reserve an iPhone on Apple's official website: one is to submit an application online, and after being selected by lottery, go to the Hong Kong Apple Store to pick up the product and pay in cash (UnionPay payment is supported); the other is to reserve online and pay with an international credit card first...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1042,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong price\"\nQuery Dwell Time: 65.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1042\nTitle: \"How much is the iPhone 6 selling in Hong Kong?\"\nSummary: \"The specific prices of iPhone 6 in Hong Kong are as follows: Apple IPHONE 6+ 16GB China Mobile Unicom 4G mobile phone (gold) Hong Kong version price is 4788 yuan Apple IPHONE 6 128GB China Mobile Unicom 4G mobile phone (gold) Hong Kong version price...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1043,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong price\"\nQuery Dwell Time: 65.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1043\nTitle: \"iPhone 6 price in Hong Kong - Hong Kong - 16th Floor\"\nSummary: \"[Shopping] iPhone 6 Hong Kong price. Have you bought it at this price? Which store is this price? I didn't buy it. I took the photo at the store. Hong Kong roadside mobile phone store. Do you have to queue up in the store now? You don't have to queue up, but you still have to make a reservation. Wait. You don't have to queue up, but you still have to make a reservation. Wait. You don't have to queue up, but you still have to make a reservation. ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1044,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 40.84 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1044\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":1045,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 40.84 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1045\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1046,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 130.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1046\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.87 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":1047,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 130.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1047\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 79.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1048,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Opening Hours\"\nQuery Dwell Time: 142.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1048\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Value for money: 9.0 Modify time Cancel Save modification...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 22.84 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1049,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Opening Hours\"\nQuery Dwell Time: 142.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1049\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.54 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1050,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Location\"\nQuery Dwell Time: 30.15 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1050\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1051,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Location\"\nQuery Dwell Time: 30.15 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1051\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.63 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1052,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 718.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 134.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1052\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercises have multiple strategic significances\"\nSummary: \"Core Tip: The PLA Navy's Liaoning aircraft carrier led a fleet that sailed through the Pacific Ocean and into the South China Sea for the first time, intending to show its... The intention of containing the Taiwan authorities who do not recognize the \"one China\" principle. The Chinese Navy's strategy keeps pace with the times and is moving towards...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 108.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1053,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 718.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 134.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1053\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercise has multiple strategic significance and demonstrates its defense capability_Military Channel_Eastern Headlines\"\nSummary: \"Data map: Liaoning aircraft carrier Reference News reported on December 29 that foreign media said that the United States said that China has the right to sail in international waters. Previously, a Chinese mainland aircraft carrier sailed into the South China Sea near Taiwan. According to the Associated Press on December 27, Taiwan\u2019s defense chief...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1054,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 269.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 85.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1054\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.31 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1055,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 269.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing's surrounding attractions - convenient, cheap and famous\"\nQuery Dwell Time: 141.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1055\nTitle: \"Travel to Beijing to see several famous attractions, where to stay with convenient transportation - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where to stay for convenient transportation when visiting several famous attractions in Beijing 35470 views 7 people follow Follow Answer 7 answers [The questioner accepts] Most of the places that tourists want to visit can be reached by subway, so you must stay in a...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.69 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1056,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 269.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing's surrounding attractions - convenient, cheap and famous\"\nQuery Dwell Time: 141.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1056\nTitle: \"Travel to Beijing to see several famous attractions, where to stay with convenient transportation - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where to stay for convenient transportation when visiting several famous attractions in Beijing 35470 views 7 people follow Follow Answer 7 answers [The questioner accepts] Most of the places that tourists want to visit can be reached by subway, so you must stay in a...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.41 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1057,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 168.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of fixed-wing aircraft near Tsinghua University\"\nQuery Dwell Time: 82.73 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1057\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.38 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1058,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 168.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Notes on Dead Flight\"\nQuery Dwell Time: 60.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1058\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8903 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1059,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 168.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Notes on Dead Flight\"\nQuery Dwell Time: 60.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1059\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1060,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 240.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Required carry-on items for international flights\"\nQuery Dwell Time: 200.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1060\nTitle: \"International flight baggage regulations\"\nSummary: \"Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg...Liquid containers with a capacity of more than 100 ml cannot be placed in carry-on luggage, but must be placed in checked luggage for transportation. 15...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1061,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 240.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Hand luggage weight limit Checked luggage weight limit Hand luggage Liquids\"\nQuery Dwell Time: 200.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1061\nTitle: \"Aircraft checked baggage weight -\"\nSummary: \"Restrictions on carry-on luggage \u2474. Domestic flights: The total weight of the passenger's hand luggage should not exceed 5 kg, and the weight... There are two types of restrictions on checked luggage: A-... How many milliliters of liquid can be carried in checked luggage on an airplane: International and regional...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1062,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 240.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Hand luggage weight limit Checked luggage weight limit Hand luggage Liquids\"\nQuery Dwell Time: 200.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1062\nTitle: \"\u300aGeneral Requirements for the Number, Weight and Size of Checked and Carry-on Baggage on International Flights\u300b\"\nSummary: \"The so-called \"piecework\" system is implemented on flights to America, which actually has restrictions on weight and number of pieces. The international consensus is... You can also take a laptop on the plane. Q: What are the regulations on luggage weight for international flights? Q: International flights...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1063,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 110.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 22.95 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1063\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.21 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1064,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 110.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 33.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1064\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.48 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1065,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 110.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 25.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1065\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.72 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1066,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 102.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features, usage, price and more\"\nQuery Dwell Time: 49.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1066\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"From the promotional video of Google Glass released by Google, it is not difficult to judge that almost all the basic functional applications based on Android phones can be transplanted into smart glasses, but the presentation method does not rely on the phone screen, but on semi-transparent projection... Yesterday, Google released a new promotional video of Google Glass on its official website, which let us see the magic of Google Glass,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.67 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1067,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 102.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features, usage, price and more\"\nQuery Dwell Time: 49.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1067\nTitle: \"Google Glass: Why the product that revolutionized the future gradually disappeared | Google Glass | Wearables_Industry_Sina...\"\nSummary: \"January 26, 2015 - But consumers are completely unsure about the former's functions and usage. As for the applications of Google Glass, there are... The price when it was launched was only $299. An article on the technology blog GigaOM pointed out that the components of the product...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1068,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 102.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 29.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1068\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_IT Information Zone_Information Zone Kafan Forum...\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.1 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":1069,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The price of iPhone 6 in China and Hong Kong, how to buy iPhone in Hong Kong, whether you need to pay customs duties when bringing iPhone back to China, whether Hong Kong version of iPhone supports domestic operator network, etc.\"\nQuery Dwell Time: 64.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1069\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"There is a saying that if the unopened electronic products in Hong Kong exceed 5,000 yuan, they will be subject to a 20% tariff, which means that the iPhone 6... Luohu... Things to pay attention to when letting friends buy iPhone 6 from Hong Kong and bring it back to the mainland... 1. Apple Hong Kong needs to... Then go to the designated Apple Re... If you bring the iPhone 6 bought in Hong Kong back to the mainland, it will be checked or confiscated by customs...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.28 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":1070,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The price of iPhone 6 in China and Hong Kong, how to buy iPhone in Hong Kong, whether you need to pay customs duties when bringing iPhone back to China, whether Hong Kong version of iPhone supports domestic operator network, etc.\"\nQuery Dwell Time: 64.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1070\nTitle: \"Is the Hong Kong version of Apple expensive?\"\nSummary: \"Answer: The price in Hong Kong is calculated in Hong Kong dollars. You need to convert the Hong Kong dollar price to the RMB price. The current exchange rate is about 1:0.83... Equivalent to 5759 yuan, the domestic price is 6888 yuan, which is 1129 yuan cheaper. Hello, the iPhone6+ Hong Kong price is for your reference, i... Answer:... Answer: I just went to Apple stores in mainland China and Hong Kong to learn about the price: The price of the domestic iPhone6s 16GB is 5288 yuan, and the price in Hong Kong...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.13 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1071,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong, whether the Hong Kong version of the iPhone supports domestic operator networks, etc.\"\nQuery Dwell Time: 57.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1071\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"I saw that the Hong Kong official website supports the three major domestic operators. Does the Hong Kong version of iPhone7 support Telecom? I saw that Hong Kong... Network type Memory 2GB Report Thank you for your contribution to the harmony of the community. Please select the report type. Report successfully. After verification...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.82 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1072,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong, whether the Hong Kong version of the iPhone supports domestic operator networks, etc.\"\nQuery Dwell Time: 57.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1072\nTitle: \"About buying Hong Kong iPhone online_Mobile phone usage issues_PConline quick question\"\nSummary: \"\/home\/shop_iphone\/family\/iphone Ask students who have ordered Hong Kong iPhone online. 1) Online ordering... Using Hongxue jailbreak works better. 5. Domestic credit cards generally support RMB and USD accounts, Hong Kong uses HKD, and exchange... Students who don't understand IPHONE please don't mislead LZ~~ 1. The ordering process is roughly like this: place an order on the Hong Kong official website, use...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1073,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 122.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 65.81 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1073\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.48 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1074,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 122.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 65.81 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1074\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.32 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":1}
-{"id":1075,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 122.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 28.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1075\nTitle: \"No. 30 Shuangqing Road, opposite the East Campus of Tsinghua University (near Wudaokou) How to get there, Chen Ming Swimming...\"\nSummary: \"957 Express 2, 697, 982 Tsinghua University West Gate Station, Yuntong Line 110, 333, 913, 628, 355, 438, 466... \u200b\u200bmore Note: The map location is for reference only, the specific situation is subject to the actual road sign information. Introduction: Chen Mingyou...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1076,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1076\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.51 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1077,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1077\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.54 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1078,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1078\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.68 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1079,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1079\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.89 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1080,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1080\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.42 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1081,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1081\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.64 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1082,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers.\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1082\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"The \"top\" model of the Liaoning aircraft carrier was unveiled at the Shanghai China Maritime Museum. China Economic Net 2012-10-08 11:02:35 Font size... China Liaoning aircraft carrier information.doc 9 pages Q: How high is the localization level of the \"Liaoning\"? CHN Strong Network Forum A: The \"Liaoning\" is an old aircraft carrier...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1083,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers.\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1083\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"The \"top\" model of the Liaoning aircraft carrier was unveiled at the Shanghai China Maritime Museum. China Economic Net 2012-10-08 11:02:35 Font size... China Liaoning aircraft carrier information.doc 9 pages Q: How high is the localization level of the \"Liaoning\"? CHN Strong Network Forum A: The \"Liaoning\" is an old aircraft carrier...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1084,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1084\nTitle: \"The first domestically-made aircraft carrier was launched. What are the improvements compared to the Liaoning? - Wukong Q&A\"\nSummary: \"Just like Toyota's Corolla and Ralink. First of all, let's talk about the deck. The deck area has increased compared to the Liaoning, and the island... The shipborne equipment of the domestic aircraft carrier, such as the battlefield perception system, radar and air traffic control system, will have advantages over the Liaoning. Finally... In addition, if it is not a nuclear-powered aircraft carrier, a conventionally powered aircraft carrier needs a centralized exhaust chimney location,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1085,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1085\nTitle: \"Let's deduce the situation of the Liaoning aircraft carrier task force encountering other countries' navies in the ocean-...\"\nSummary: \"After get off work, let's deduce the situation of the Liaoning aircraft carrier task force encountering other countries' navies in the ocean, that is, without considering the influence of shore-based aviation forces, and relying only on the strength of the fleet itself. Liaoning aircraft carrier task force: Liaoning aircraft carrier...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.88 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1086,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1086\nTitle: \"Liaoning aircraft carrier configuration and future domestic aircraft carrier speculation - Navy version - Super Base Military Forum - the most...\"\nSummary: \"It is highly likely that the domestically-produced aircraft carrier will continue to use conventional steam power. It should be similar to the power configuration of the Liaoning, with 4 steam turbines... However, nuclear-powered aircraft carriers are complex in technology and expensive to use, and not every country can afford to manufacture and use them. Moreover, as a...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1087,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1087\nTitle: \"Advantages and disadvantages of the J-15 as a carrier-based aircraft, - Navy Edition - Super Base Military Forum - The most influential...\"\nSummary: \"Aloof from the world, tolerant and great. The advantages are great, but the disadvantages are... no catapult is not happy. . . . . . The most influential... Aloof from the world, tolerant and great. The carrier-based aircraft is a heavy aircraft, a bit big compared to the aircraft carrier. The most influential military forum - super... But there will be no stealth by then... A small number of J20s will be equipped for \"kicking the door\" and other high-risk tasks. The performance will definitely be defeated by MD's F35C...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.73 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1088,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1088\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Team rhythm 8 Find common interests 9 Rebellion 10 Hand in hand 11 No matter what 12 Group together to conquer the world 13 Grouping method 14 Name string game 15 Playing monster 16 Evolution 17 Challenge to count numbers 18 Hunters hunting rabbits 19 Kaleidoscope 20 Transportation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1089,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1089\nTitle: \"Team Ice Breaking Party - Interactive Game Rules\"\nSummary: \"Tags: ice-breaking team gathering I. Activity background (I) Purpose and significance of the activity Because the new members are not very familiar with their degree and are not familiar with each other, this ice-breaking activity is carried out to provide them with a platform...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 0.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1090,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1090\nTitle: \"Internal training team ice-breaking game\"\nSummary: \"Ice-breaking games for internal corporate training teams The first one: Magician turns into stone [Ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships Through activities, students can increase their familiarity and integrate into the course in a short period of time Activity tools...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1091,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1091\nTitle: \"044-Eight Steps to Break the Ice in a Team\"\nSummary: \"Teacher J in the trainer salon group shared the ice-breaking process of team building. I think it is very detailed and can also bring some help and thinking to our new internal trainers. I now share the excerpt with you. The ice-breaking process is related to whether the training is successful...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1092,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 129.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1092\nTitle: \"7-day group tour from Beijing to surrounding areas_June 2018 Beijing to surrounding Yellow River Hukou Waterfall tour route...\"\nSummary: \"Utour Travel Beijing Station provides 7-day group tours from Beijing to the surrounding areas, recommended popular tourist routes from Beijing to the surrounding areas in June 2018, the latest price information for the Yellow River Hukou Waterfall tour from Beijing to the surrounding areas, and more details, all at Utour Travel Beijing Station...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 58.78 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1093,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 129.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1093\nTitle: \"[58.com] 7-Day Tour from Beijing to Shilihualang_7-Day Tour from Beijing to Shilihualang...\"\nSummary: \"Introduction to Beijing's surrounding Shili Gallery: 58.com Travel Channel is a professional free publishing and inquiry platform for 7-day tour routes from Beijing's surrounding areas to Shili Gallery. You can check the price of 7-day tour routes from Beijing's surrounding areas to Shili Gallery for free. Thank you for choosing...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1094,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1094\nTitle: \"[Baidu Map API] 7-day tour around Beijing - icons follow the route - Blog - Yunqi Society...\"\nSummary: \"Original text: [Baidu Map API] 7-day tour around Beijing - Icons follow the route track Task description: The Spring Festival is coming~ Yogurt girl's mother is coming from faraway Chongqing to Beijing to celebrate the Spring Festival! Yogurt girl is busy planning for her mother, Beijing Week...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.35 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1095,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1095\nTitle: \"Beijing 7-Day Tour\"\nSummary: \"Beijing surrounding tours, Beijing suburbs tours, Beijing suburbs tourism, Beijing surrounding two-day tours - Beijing waterfalls ... Beijing waterfall leisure residence is a good place for holiday leisure, Beijing surrounding scenic spots, Beijing suburbs tours, Beijing suburbs tourist attractions, Beijing surrounding two-day tours, Beijing...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 67.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1096,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1096\nTitle: \"Ask for advice on the seven-day tour in Beijing_Solved - Alibaba Business\"\nSummary: \"Adoption rate: 0% Answer time: I will answer One day: Rest in Beijing first, stroll around the area around the residence... It would be best if I live in Houhai, at least I like it~ According to weather conditions: One day: Sunny: Go to the Summer Palace... Stroll around the garden for a day... One day...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1097,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1097\nTitle: \"Beijing's surrounding tourist attractions Beijing No. 1 Beijing Beidaihe double bed 7-day tour\"\nSummary: \"Beijing surrounding tourist attractions Beijing Beidaihe warm family single flight single bed 7-day tour morning, noon and night Beijing D4 visit the world's largest royal garden - the Summer Palace (80-100 minutes), visit the production process and process of the quintessence of Chinese culture - cloisonn\u00e9 (...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.23 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1098,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1098\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 103.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1099,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Prices around Tsinghua University\"\nQuery Dwell Time: 58.2 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1099\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 23.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1100,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1100\nTitle: \"[Ctrip Guide] Food near Beijing Merida Bicycle (Tsinghua West Gate), Merida Bicycle...\"\nSummary: \"Restaurants near Merida Bicycle (Tsinghua West Gate) in Beijing, Ctrip Guide Community! Tell you what tourist food is around Merida Bicycle (Tsinghua West Gate), provide introduction and pictures of tourist food around Merida Bicycle (Tsinghua West Gate)...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1101,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1101\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"The phone number of Fei Ge Bicycle Tsinghua West Gate is , and the address of Fei Ge Bicycle Tsinghua West Gate is . In addition, you can also view the map, public transportation and nearby popular places of Fei Ge Bicycle Tsinghua West Gate.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":1102,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1102\nTitle: \"[Dahon Folding Bike (Tsinghua West Gate)] Dahon Folding Bike (Tsinghua West Gate) phone number, Dahon...\"\nSummary: \"The phone number of Dahon Folding Bike (Tsinghua West Gate) is , and the address of Dahon Folding Bike (Tsinghua West Gate) is West Gate of Tsinghua University, No. 30 Shuangqing Road. In addition, you can also view the map, public transportation and nearby popular places of Dahon Folding Bike (Tsinghua West Gate).\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1103,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1103\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.66 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":1104,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua fixed gear price\"\nQuery Dwell Time: 55.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1104\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1105,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua fixed gear price\"\nQuery Dwell Time: 55.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1105\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Recently, a 13-year-old female middle school student in Zhangzhou died in a traffic accident while riding a fixed-gear bicycle, which became the focus of domestic media attention. Subsequently, Fujian Province banned fixed-gear bicycles from the road. This morning, the reporter found that \"...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.07 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1106,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua fixed gear price\"\nQuery Dwell Time: 55.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1106\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Recently, a 13-year-old female middle school student in Zhangzhou died in a traffic accident while riding a fixed-gear bicycle, which became the focus of domestic media attention. Subsequently, Fujian Province banned fixed-gear bicycles from the road. This morning, the reporter found that \"...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1107,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1107\nTitle: \"2016 New Regulations on the Size of Carry-On Baggage for International Flights for Outbound Tourism\"\nSummary: \"For more information about the new regulations on the size of luggage for international flights for outbound tourism in 2016, please visit the travel website. 2016 Air China's latest policy on checked luggage Air China has introduced a new policy of free checked luggage for ordinary luggage! After taking Air China flights...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 115.24 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":1108,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1108\nTitle: \"International Flight Luggage Size - Paris Travel Q&A [Ctrip Guide]\"\nSummary: \"Hong Kong: +852-3069-9966 Overseas: +86-21-3406-4888 Solved questions: 1806552 3440203 people contributed valuable experience International flight carry-on baggage dimensions What are the maximum dimensions of carry-on baggage on Air China's international flights?\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.4 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1109,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1109\nTitle: \"What is the size of a carry-on suitcase on international flights? - Travel\"\nSummary: \"Generally, China Eastern Airlines international flights allow 2 suitcases, each no more than 23kg. Economy class on international flights generally allows 23kg. Please accept the Economy cabin, 2 pieces, 23kg\/piece. The sum of the three sides is \u2264158cm. Please tell me the maximum size of a carry-on suitcase on domestic flights...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1110,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1110\nTitle: \"International flight carry-on luggage oversize - Qyer Q&A\"\nSummary: \"I bought a 20-inch suitcase with the dimensions of 55x37x26 and wanted to take it as a carry-on baggage. However, I found that the carry-on baggage restrictions for Eastern Airlines and American Airlines are both 20X40X55 and 56X36X23. . The thickness of mine exceeds the limit by a little bit. . Is it...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 52.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1111,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1111\nTitle: \"Domestic flight checked baggage size requirements - Work - Life - ITeye Forum\"\nSummary: \"Domestic flight luggage, luggage, checked baggage size requirements China Eastern Airlines checked baggage size specifications Each piece of checked baggage cannot exceed 32 kg and the volume cannot exceed 40x60x100 cm. Free baggage allowance: [mainly based on weight] Domestic transportation...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 84.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1112,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1112\nTitle: \"Requirements for the number, weight and size of checked and carry-on baggage on certain international flights - Baidu Library -...\"\nSummary: \"The number, weight and size requirements for checked and carry-on baggage on certain international flights are generally consistent with the international regulations that the sum of the three sides of each piece should not exceed 158 cm (economy class). For example, if the three sides of your suitcase are 70, Page 1\/5 1. Ordinary...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 63.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1113,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1113\nTitle: \"Requirements for the number, weight and size of checked and carry-on baggage on certain international flights - Baidu Library -...\"\nSummary: \"The number, weight and size requirements for checked and carry-on baggage on certain international flights are generally consistent with the international regulations that the sum of the three sides of each piece should not exceed 158 cm (economy class). For example, if the three sides of your suitcase are 70, Page 1\/5 1. Ordinary...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 63.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1114,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1114\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"\u3010Number of checked baggage\u3011General requirements for the number, weight, and size of checked and carry-on baggage on international flights. International flights have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA Zones 1 and 3, the piece-based system is used, and the regulations...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1115,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1115\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"\u3010Number of checked baggage\u3011General requirements for the number, weight, and size of checked and carry-on baggage on international flights. International flights have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA Zones 1 and 3, the piece-based system is used, and the regulations...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1116,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1116\nTitle: \"IATA compresses carry-on luggage size Air China, China Southern Airlines, etc. have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1117,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1117\nTitle: \"IATA compresses carry-on luggage size Air China and China Southern Airlines have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1118,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1118\nTitle: \"IATA compresses carry-on luggage size Air China, China Southern Airlines, etc. have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1119,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1119\nTitle: \"IATA compresses carry-on luggage size Air China and China Southern Airlines have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1120,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1120\nTitle: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc_Tao...\"\nSummary: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc General international flight checked carry-on baggage piece number, weight and size requirements \"International route checked baggage is divided into two regulations: uncounted weight system and piece system? ...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1121,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1121\nTitle: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc_Tao...\"\nSummary: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc General international flight checked carry-on baggage piece number, weight and size requirements \"International route checked baggage is divided into two regulations: uncounted weight system and piece system? ...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1122,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1122\nTitle: \"What is the maximum size of a carry-on suitcase on a domestic flight? - Travel Q&A\"\nSummary: \"Outbound travel is all in Qyer App, the choice of millions of travelers. Scan the QR code to download on IOS\/Android. Related questions: What is the maximum size of a carry-on suitcase that can be taken on domestic flights? 0 \/ 1000 words 20 inches, or equivalent luggage 0 \/ 1000 words 0\/1000 ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1123,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight checked luggage dimensions\"\nQuery Dwell Time: 139.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1123\nTitle: \"Domestic flight checked baggage size requirements - Work - Life - ITeye Forum\"\nSummary: \"Domestic flight luggage, bags, checked baggage size requirements Eastern Airlines checked baggage size specifications Each piece of checked baggage cannot exceed 32 kg and the volume cannot exceed 40x60x100 cm. Free baggage allowance: [mainly weight] Domestic transportation...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 85.83 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1124,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight checked luggage dimensions\"\nQuery Dwell Time: 139.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1124\nTitle: \"For those who have taken international flights recently, let me tell you about the size of checked luggage. Waiting for Air China's announcement...\"\nSummary: \"But last week, a friend reminded me that most airlines now limit the size of checked luggage for international flights to no more than 158cm, or 62 inches. The box I bought is 64 inches, or about 163cm. Recently...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.23 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1125,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquids allowed on international flights\"\nQuery Dwell Time: 153.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1125\nTitle: \"How many milliliters of liquids can you bring with you on an airplane? -How many milliliters of liquids can you bring with you on an airplane? _...\"\nSummary: \"International flights: You can carry liquids in your carry-on luggage, but each bottle cannot exceed 100ML and must be placed in a resealable transparent bag with a total volume of no more than 1L (provided free of charge at the airport). In short, the total amount of liquids in your carry-on luggage...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 118.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1126,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight checked baggage regulations\"\nQuery Dwell Time: 35.91 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1126\nTitle: \"Regulations on Checked Baggage on International Flights\"\nSummary: \"Hailong International Luggage Transport Company's International Flight Checked Baggage Regulations China International Airlines' International Flight Checked Baggage Regulations, the specific contents are as follows: International routes' free baggage allowance is divided into two types: weight-based free baggage allowance and piece-based free baggage allowance. Weight-based free baggage allowance...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1127,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 226.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1127\nTitle: \"What are the latest regulations for carry-on luggage on international flights? _Solved - Alibaba Business\"\nSummary: \"Transparent plastic bags containing liquid items must undergo separate security checks; Passengers from abroad who need to transfer to international or regional flights at airports in China must also comply with the above regulations when carrying liquid items. In addition, the duty-free liquid items they bring into the country must...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1128,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 226.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1128\nTitle: \"Air China Carry-on Baggage Regulations\"\nSummary: \"The following items that require special care shall not be checked in as baggage or placed in checked baggage, but shall be carried in the cabin as unchecked baggage. For losses caused by passengers violating this regulation, Air China shall only bear compensation liability as for general checked baggage. Heavy...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 191.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1129,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1129\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.42 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":1130,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1130\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"The most scientific way to quit smoking 2017-10-09 The best way to quit smoking with Chinese medicine 2017-10-09 The correct way to quit smoking 2017-10-09 How to quit smoking most effectively 2017-10-09 How to quit smoking 2017-10-09 How to quit smoking quickly 2017-10...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.05 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":1131,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1131\nTitle: \"What are the ways to quit smoking? Teach you how to quit smoking easily_Gufang Chinese Medicine Network\"\nSummary: \"Quitting smoking involves several stages: considering quitting, preparing to quit, taking quitting actions, maintaining a state of quitting or relapse. The early stages of quitting are difficult, and to easily quit smoking, you can use the following methods to quit: Four steps to easily quit smoking Step 1 Write down what you think...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1132,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1132\nTitle: \"Methods and effects of quitting smoking - Good Doctor Online\"\nSummary: \"There are two issues to note when using nicotine replacement therapy: first, it should be used in conjunction with other smoking cessation methods; second, be alert to the possibility that long-term use of nicotine preparations may also lead to nicotine addiction. Other drug treatments include clonidine, antidepressants, antianxiety drugs and...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 110.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1133,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1133\nTitle: \"How to Quit Smoking Fast\"\nSummary: \"How to get through the first five most difficult days of quitting smoking? The following seven methods of quitting smoking are provided (II): (1) Drink 6-8 glasses of water between meals to help excrete nicotine from the body. (2) Take a warm bath every day, and take a shower immediately when you can't resist the urge to smoke. (3) During the five days of quitting smoking...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1134,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1134\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? I have swollen body, high blood pressure and faster heart rate. I have quit smoking for more than ten days. Is this normal? If I continue smoking, will it have any effect on my body? As long as the method is suitable and has no side effects, the following method is for reference only. Set a date to quit smoking. And...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.31 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1135,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1135\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":0}
-{"id":1136,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1136\nTitle: \"The harm of smoking and the benefits of quitting smoking_Shuangshuang Quit Smoking Center Bar_Baidu Post Bar\"\nSummary: \"The harm of smoking and the benefits of quitting smoking..The harm of smoking is known to everyone. \"Smoking is harmful to health\" is written on the cigarette box to remind people that smoking is not a good habit. Smoking is a chronic suicide, which will gradually increase with the age of smokers...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1137,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1137\nTitle: \"The harm of smoking and the benefits of quitting smoking (2)_Health knowledge_Health guide\"\nSummary: \"Benefits of Quitting Smoking 1. Overview According to scientists' years of experiments, smokers will experience a series of beneficial changes in their organs after quitting smoking. The changes are roughly as follows: Within 20 minutes: blood pressure drops to the standard level; pulse drops to the standard speed...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 59.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1138,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 15.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1138\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1139,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Quote\"\nQuery Dwell Time: 102.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1139\nTitle: \"\u3010Google Glass\u3011Google Glass review_How is Google Glass_Price_Parameters_...\"\nSummary: \"Google Glass digital accessories, including the latest price of Google Glass digital accessories, Google Glass digital accessories parameters, Google Glass digital accessories evaluation, Google Glass pictures, Google Glass comments and other related information. For you...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 42.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1140,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Quote\"\nQuery Dwell Time: 102.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1140\nTitle: \"\u3010Google Glass 3\u3011Price_Parameters_Pictures_Google Glass 3 Price-ZOL...\"\nSummary: \"ZOL mobile version provides all the models, quotations, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Google Glass 3 series, as well as the dealer quotations of Google Glass 3 series, for you...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1141,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Quote\"\nQuery Dwell Time: 102.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1141\nTitle: \"How much is the price of Google Glass smart glasses? _Home decoration | YiQi Net decoration\"\nSummary: \"Google Glass smart glasses are priced at 8,750 yuan. They have an independent operating system, and users can install software, games and other programs provided by software service providers. They can add schedules, map navigation, interact with friends, etc. through voice or motion control.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1142,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"googleglass\"\nQuery Dwell Time: 40.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1142\nTitle: \"Google Glass full report - Engadget Chinese version\"\nSummary: \"Ross Wang wechat The return of Google Glass will focus on the enterprise market Sanji Feng wechat Still using Google Glass? It now supports Bluetooth Sanji Feng wechat ARSENZ adds thermal sensing function to ordinary glasses ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 0.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1143,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 209.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1143\nTitle: \"Google Glass 2.0: Detoxification Experience\"\nSummary: \"\"Google Glass 2.0 Part 1: Detoxification Experience\" can be found. To be honest, after using it for a while, I feel that Google Glass is still not widely used in China. You all know the Great Wall of China. If the glasses are not equipped with anything else...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 97.47 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1144,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 209.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1144\nTitle: \"Google Glass 3 User Manual_Encyclopedia_Products_Pacific Home Network\"\nSummary: \"Such as touchpad, circuit board, battery, etc. In addition, the media said that the camera and display screen used by Google Glass can only be said to be ordinary or even low-end products.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1145,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 51.65 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1145\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.13 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1146,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 53.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1146\nTitle: \"Where to buy iPhone 6 cheapest? iPhone 6 price comparison and Hong Kong purchasing\"\nSummary: \"Below, Apple Garden editors have listed the initial prices of various versions of iPhone 6 in RMB, hoping to provide a reference for your purchase. (Calculated at the exchange rate on September 10, China time) Click the upper right corner to start booking Apple Hong Kong mobile phone Hong Kong: 16G ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1147,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 104.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1147\nTitle: \"Although it is cheap to buy iPhone 6s in Hong Kong, don\u2019t forget to pay tax when crossing the border\"\nSummary: \"Many consumers still choose to buy in Hong Kong. Although it is cheap to buy iPhone 6S in Hong Kong, it is not allowed to bring more than 'personal use,... Passengers must declare their mobile phones to the customs truthfully and pay taxes according to law. The tax rate is 10%. For passengers who purchase...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.2 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1148,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 104.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1148\nTitle: \"Although it is cheap to buy iPhone 6s in Hong Kong, don\u2019t forget to pay tax when crossing the border\"\nSummary: \"Many consumers still choose to buy in Hong Kong. Although it is cheap to buy iPhone 6S in Hong Kong, it is not allowed to bring more than 'personal use,... Passengers must declare their mobile phones to the customs truthfully and pay taxes according to law. The tax rate is 10%. For passengers who purchase...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1149,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 104.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1149\nTitle: \"Don't forget to pay tax when buying an iPhone 6 when traveling abroad_NetEase News\"\nSummary: \"October 1, 2014 - iPhone 6 purchased from abroad must pay tax when entering the country, even if you only bring one. Qingdao Hai... 10%. Take an iPhone 6 (16GB) as an example. The price on the Hong Kong official website is 5588 Hong Kong dollars. Qingdao Hai...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1150,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic networks?\"\nQuery Dwell Time: 62.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1150\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - Both domestic and Hong Kong iPhone 6s support China Mobile's 4G network. China Mobile will also launch pre-sales and lucky draws before and after the Apple conference, and provide various preferential policies for consumers who purchase iPhone 6...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1151,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic networks?\"\nQuery Dwell Time: 62.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1151\nTitle: \"Both domestic and Hong Kong iPhone 6s support China Mobile's 4G network? ? ? - Pedestrian Street Main...\"\nSummary: \"Some models of the Hong Kong version of 5S do not support China Mobile 4G. I want to buy a Hong Kong version of IPHONE6 and want to confirm whether it can use China Mobile 4G. I want to praise I want to recommend Forward to: Share to Sina Weibo Share to QQ Space Share to Tencent Weibo Share to People...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1152,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 116.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 77.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1152\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.45 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1153,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 116.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 77.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1153\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1154,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 84.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1154\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 49.06 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1155,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 375.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1155\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.39 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1156,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 375.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1156\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 276.12 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":1157,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 128.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1157\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.68 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":1158,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic significance of Liaoning\"\nQuery Dwell Time: 60.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1158\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1159,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people, new employees\"\nQuery Dwell Time: 294.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1159\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Bundle up - (Applicable to: teamwork) Brief description: By being tied... At least ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1160,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people, new employees\"\nQuery Dwell Time: 294.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1160\nTitle: \"Ice-breaking Games for New Employees_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for the instructor) small plush toys, ping-pong balls, small plastic... This is...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1161,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Vacations near Beijing\"\nQuery Dwell Time: 46.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1161\nTitle: \"A review of eight characteristic towns around Beijing in 2015 - Beijing suburbs holiday resorts and leisure destinations_Tourism_CCTV.com...\"\nSummary: \"Come and have a look at the characteristic towns around Beijing with your money! Miyun Gubei Water Town Gubei Water Town is located in Gubeikou Town, Miyun County, Beijing. It is backed by the most beautiful and dangerous Simatai Great Wall in China and sits on the Yuanyang Lake Reservoir. It is a rare natural town combining mountains, water and city in the suburbs of Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1162,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 75.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1162\nTitle: \"Excuse me, a friend and I are planning to travel in a province near Beijing for about ten days, and we don't know where to go...\"\nSummary: \"Please tell me, my friend and I are planning to travel in the provinces near Beijing for about ten days, but we don't know where to go. We are planning to go to Inner Mongolia and Xinjiang, but we don't know which places are fun. And we only have 2,000 yuan per person. I hope to get some advice from experts...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.56 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":1163,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 75.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1163\nTitle: \"...How much does it cost to travel around Beijing for 10 days | Booking_What are the things to do around Beijing - Kanghui Travel Network\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding high-quality tour routes, how much a 10-day local tour route from Beijing to the surrounding areas costs, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.11 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1164,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 75.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1164\nTitle: \"\u301058.com\u3011Beijing surrounding tours_Beijing surrounding tourism_Beijing surrounding tourist attractions\"\nSummary: \"Beijing surrounding tourism information is available for you to choose. You can view and publish Beijing surrounding tourism information for free. Thank you for choosing Beijing surrounding tourism information platform. Mobile access to Beijing surrounding tourism touch screen version, Beijing surrounding tourism express version. Beijing surrounding tourism related information: ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1165,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1165\nTitle: \"\u301058.com\u3011Beijing solo travel surrounding tours_Beijing solo travel surrounding tours_Beijing solo travel...\"\nSummary: \"Domestic and international tours Beijing one-day tour... (10-02) Features: firewood chicken, firewood eggs, reservoir fish, grilled skewers, roasted whole lamb. Real farm life. Gubei Water Town is the... (09-26) We have five days, seven days, ten days, please call this for details...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1166,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1166\nTitle: \"Go to Beijing for a 10-day self-guided tour! Because I have relatives near Jishuitan in Xicheng District, Beijing. . So I have already...\"\nSummary: \"You can only visit a part of it in ten days, and many things should be left for next time. Buy a Beijing map and arrange your own route. Beijing is the best place to practice self-guided tours. Even if you go the wrong way, you may accidentally stumble upon other attractions. #2 Buddaria (Zhouyouniao) said: ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1167,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1167\nTitle: \"\u301058.com\u3011Beijing surrounding tours_Beijing surrounding tours_Beijing surrounding tourist attractions...\"\nSummary: \"Popular attractions: Duration: Tour items: Tour method: Suitable for the crowd: Price: Address: Accommodation reservation Triple room 260 Double room 200 yuan Shilinxia Tan Family Courtyard is located in the vicinity of Beijing. We have five days, seven days, ten days, details...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.8 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1168,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1168\nTitle: \"Ten-day tour in Beijing, visiting various attractions\"\nSummary: \"\u300eLook here\u300fBeijing specialties, not the Daoxiang Village where you buy rice. Visit Beijing's important tourist attractions in ten days. There is an exit outside the Qianmen Tourism Distribution Center. Buy tickets and join a group to Badaling. The ticket price is 110 yuan. But don't go with a group around the square, although it's cheap...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1169,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel around Beijing\"\nQuery Dwell Time: 76.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1169\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1170,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel around Beijing Mafengwo\"\nQuery Dwell Time: 164.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1170\nTitle: \"Recommended tourist attractions around Beijing and its suburbs - Mafengwo\"\nSummary: \"Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo, more of the latest travel notes Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.91 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1171,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel around Beijing Mafengwo\"\nQuery Dwell Time: 164.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1171\nTitle: \"\"First aid\" guide for travel during the National Day holiday: Mafengwo teaches Beijingers how to \"go on a whim\"_Travel_Life...\"\nSummary: \"Mafengwo Tourism Big Data Platform has comprehensively analyzed the three most popular keywords for surrounding tours among Beijing citizens, as well as the most popular attractions or destinations under each surrounding tour theme. Beijing citizens can refer to these widely popular and recognized travel...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1172,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resorts\"\nQuery Dwell Time: 41.45 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1172\nTitle: \"Tahiti Resort - Attractions Pictures - Beijing Attractions - Dianping.com\"\nSummary: \"Uploaded by Dianping.com netizen Duck Who Can't Swim, these are attractions in Tahiti resorts.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1173,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resorts\"\nQuery Dwell Time: 41.45 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1173\nTitle: \"2017 Latest Tahiti Resort Tourism Map_Tahiti Resort Tourist Attractions Map_Tahiti...\"\nSummary: \"Baidu Travel provides you with the 2017 Tahiti resort travel map and Tahiti resort tourist attraction map, Tahiti resort tourist attraction rankings, Tahiti resort tourist attraction location distribution map, and carefully collects routes, food, accommodation, and other Tahiti...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.63 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1174,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resort Tickets and Transportation\"\nQuery Dwell Time: 31.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1174\nTitle: \"2017 Tahiti Resort Tourism Transportation Inquiry_How to Go to Tahiti Resort_Tahiti Resort...\"\nSummary: \"Tahiti Resort Transportation Guide, How to get to Tahiti Resort, Baidu Travel provides you with detailed ways to get to Tahiti Resort from all over the country, as well as Tahiti Resort Transportation Guide, Tahiti Resort Local Transportation Methods, and practical transportation information. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.65 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1175,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel, transportation and accommodation around Beijing\"\nQuery Dwell Time: 31.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1175\nTitle: \"2017 Tahiti Travel Guide - Tahiti Self-guided Tour - Tahiti Tickets, Transportation, Weather and Attractions Introduction\"\nSummary: \"Provide the latest 2017 Tahiti travel guide, including a detailed introduction to Tahiti attractions, ticket prices, traffic and weather, travel guides, travel photos, etc.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1176,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 78.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1176\nTitle: \"[Buy fixed gear in physical store] Where is the physical store in Guangyuan where I want to buy fixed gear? - Ask Knowledge\"\nSummary: \"There is a physical store selling fixed gear near the west gate of Tsinghua University. Where is the fixed gear store in Wuhu? There is one in 1201, Unit 1, Building 5, Tianheyuan, Wuyi Square. Which physical store selling fixed gear in Luoyang is good? Save face. Where is the physical store selling fixed gear? [hum] Go to the general bicycle...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 47.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1177,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Where can I buy a fixed gear\"\nQuery Dwell Time: 60.17 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1177\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1178,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 227.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1178\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear|\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 114.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1179,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 227.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1179\nTitle: \"How to brake a fixed gear, fixed gear bicycle price, fixed gear mansion\"\nSummary: \"Fixed Gear Bike Price - YoungBike Fixed Gear Bike Contact: 13556526645 YoungBike Fixed Gear Bike Store in Dashi Town, Panyu District, Guangzhou City, Guangdong Province Mainly sells Fixed Gear Bike\u2014\u2014Word explanation, fixed gear bicycle. The rear gear and the rear...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1180,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 227.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1180\nTitle: \"Fixed Gear Forum - China's largest fixed gear enthusiasts forum and fixed gear color matching website!\"\nSummary: \"Fixed Gear Club is the largest, most authoritative and most professional fixed gear bicycle forum in China - we are committed to providing the latest and most comprehensive fixed gear videos, fixed gear pictures and fixed gear color matching to the majority of fixed gear enthusiasts in China, and to creating the most professional fixed gear communication community!\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1181,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1181\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.0 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":1182,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1182\nTitle: \"How much is a fixed gear bike suitable for a beginner?\"\nSummary: \"For all kinds of fixed gear matching problems, please add the fixed gear player master WeChat: kusifei Welcome all new friends who love fixed gear to add, enjoy one-to-one service, all kinds of fixed gear problems can be solved for you! ! ! Retro fixed gear is the most popular one of GOBIKE in 2014...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 32.25 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1183,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1183\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"They are \"fixed gear\" bicycles, the English name is Fixed Gear Bike, which should be more accurately translated into Chinese as \"fixed gear bicycle\". What is so special about \"fixed gear\"? Why has it become a favorite of fashion people? The reporter invited Nanjing...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 47.71 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1184,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1184\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1185,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1185\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.92 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1186,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 112.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1186\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.0 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":1187,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 112.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1187\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Click on the image to see a larger image Product: 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Unit Price: Negotiable ...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 29.08 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1188,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 136.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1188\nTitle: \"What safety precautions should be taken when riding a bicycle? - Zhihu\"\nSummary: \"Log in Join Zhihu Show all followers 1 comment Share Invite to answer Follow the question Write an answer 2 people agreed with this answer To be honest, as long as you are an honest person, there will be no problem riding a fixed gear bike. Don't race. Don't make a fool of yourself. Don't ride fast. There will definitely be no...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1189,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 136.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1189\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1190,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 186.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1190\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.24 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1191,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 186.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1191\nTitle: \"International Flights and Baggage\"\nSummary: \"Although I have asked around for information on luggage preparation, I have no real experience unless I actually go there. Since I prepared my suitcases too early, I... If I don't understand, I will ask the young people around me who speak fluent American English. There are many such people on international flights. After the first time, I will...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 63.39 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":1}
-{"id":1192,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 186.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1192\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"When Chinese students go abroad to study, packing is a necessary preparation for many students. However, when packing, you need to first understand the baggage regulations of the international flights you are taking. There are strict requirements for the weight of luggage on the plane. Let's take a look...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.49 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":1193,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage allowance for flights from China to the United States\"\nQuery Dwell Time: 140.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1193\nTitle: \"A complete guide to baggage check-in for flights to the United States\"\nSummary: \"Note: All items purchased at the airport and duty-free shops should be included in the carry-on baggage allowance. Air China (CA) (1) Except for routes to the United States and Canada, 20 kg of checked baggage (30 kg for students), 10 kg of hand luggage 115 cm (2) For routes to the United States and Canada, 2 pieces of checked baggage,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1194,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage allowance for flights from China to the United States\"\nQuery Dwell Time: 140.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1194\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 - As US carriers have lowered the free baggage allowance for economy class, if Air China does not promptly adjust the current two-piece free checked baggage policy, passengers will inevitably suffer from inconsistent baggage standards on US interline flights...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1195,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"China to the United States flights carry-on baggage liquids\"\nQuery Dwell Time: 216.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1195\nTitle: \"International flight baggage regulations\"\nSummary: \"\u2475\u3001International flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*... 3. What are liquids, gels and sprays? Liquids, gels and sprays include: Drinks, such as...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 92.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1196,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"China to the United States flights carry-on baggage liquids\"\nQuery Dwell Time: 216.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1196\nTitle: \"Are there new restrictions on liquid items in checked baggage when taking US flights? - Qyer Q&A\"\nSummary: \"I found a very confusing problem. In the entry of \"Liquids, sprays and gels in carry-on baggage of passengers traveling to the United States\", it shows that passengers flying directly from Dubai International Airport to the United States on Emirates Airlines can carry...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.67 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1197,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"China to the United States flights carry-on baggage liquids\"\nQuery Dwell Time: 216.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1197\nTitle: \"How to take domestic and international flights in the United States\"\nSummary: \"Liquids and gels in carry-on baggage, such as skin care and beauty products, can only be carried under the following conditions: ... 2. Checked baggage is divided into two types: domestic flights in the United States and international flights. Domestic flights generally charge for checked baggage, specifically...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1198,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights: prohibited items in baggage\"\nQuery Dwell Time: 174.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1198\nTitle: \"Share with everyone - Items prohibited from being carried on international flights [Australia study abroad information bar]_Baidu Post Bar\"\nSummary: \"Restrictions on carry-on luggage When taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm). Passengers on US-Canada routes can only carry...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.56 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1199,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage on international flights\"\nQuery Dwell Time: 51.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1199\nTitle: \"New Civil Aviation Regulations 2017: These items can only be checked in and are not allowed to be carried on board - Air Cargo - Information - General...\"\nSummary: \"According to the latest regulations of the Civil Aviation Administration of China on alcoholic beverages, which will be implemented from January 1, 2017, alcohol purchased at duty-free shops when transferring from international flights to domestic flights cannot be carried on board, but can be checked in. Its packaging must comply with the relevant regulations of the Civil Aviation Administration of China. Alcoholic beverages as... Recently, the Civil Aviation Administration of China issued the \"Catalogue of Prohibited Carry-on and Checked Items for Civil Aviation Passengers\" and the \"Civil Aviation Passengers' Restricted Carry-on...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.17 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1200,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage on international flights\"\nQuery Dwell Time: 51.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1200\nTitle: \"Civil Aviation Administration of China Regulations on Prohibited Carry-on or Checked Items on Civil Aviation Flights\"\nSummary: \"Relevant regulations of the Civil Aviation Administration of China: 1. Regulations on prohibited items to be carried on or checked in The Civil Aviation Administration of China stipulates that the following items are prohibited to be carried on or checked in when taking civil aviation flights within China: Firearms, military or police...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1201,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage on international flights\"\nQuery Dwell Time: 51.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1201\nTitle: \"Civil Aviation Administration of China Regulations on Prohibited Carry-on or Checked Items on Civil Aviation Flights\"\nSummary: \"Relevant regulations of the Civil Aviation Administration of China: 1. Regulations on prohibited items to be carried on or checked in The Civil Aviation Administration of China stipulates that the following items are prohibited to be carried on or checked in when taking civil aviation flights within China: Firearms, military or police...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1202,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage items on US flights\"\nQuery Dwell Time: 80.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1202\nTitle: \"US airlines upgrade ban on carrying large electronic products on board! _Sohu Technology_Sohu.com\"\nSummary: \"May 31, 2017 - A ban on large electronic items on board flights from 10 airports in 8 North African countries to the United States was implemented on non-US airlines. Now the US government has come up with a new move to expand this ban to all countries. If it really...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1203,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage items on US flights\"\nQuery Dwell Time: 80.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1203\nTitle: \"Items that are strictly prohibited from being carried at US airports - Los Angeles Chinese Information Network\"\nSummary: \"Los Angeles International Airport, terminal information, flight information Los Angeles Chinese shuttle service, Los Angeles Chinese airport shuttle... If you are found carrying prohibited items, they will not only be confiscated and destroyed, but violators may be fined from 250 to thousands of dollars. For example, durian, mango,...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1204,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 21.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1204\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1205,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 21.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1205\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.05 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1206,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 21.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1206\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.78 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1207,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 19.72 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1207\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.85 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1208,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 19.72 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1208\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.37 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1209,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 12.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1209\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"How to quit smoking 2017-10-09 Lungs after quitting smoking 2017-10-09 Five steps to quit smoking 2017-10-09 Things to note after quitting smoking 2017-10-09 Symptoms after quitting smoking 2017-10-09 Physical changes after quitting smoking 2017-10-09 Tips to quit smoking 2017-10-09...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1210,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 12.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1210\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.83 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1211,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1211\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.09 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1212,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1212\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1213,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1213\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.24 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":1214,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1214\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 15.8 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":1215,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 112.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1215\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.34 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":1216,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 112.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1216\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.56 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":1217,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 112.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1217\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.98 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":1218,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1218\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.97 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":1219,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1219\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1220,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1220\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_null_Tencent Video\"\nSummary: \": The charm of fingertip control: a demonstration of how to use Google Glass\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.2 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1221,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1221\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.94 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1222,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 147.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1222\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1223,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 147.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1223\nTitle: \"iPhone 6 goes on sale in Hong Kong: _ NetEase News\"\nSummary: \"September 19, 2014 - Because I bought an iPhone 6 Plus, it was more difficult to make an appointment on the official website of Apple than on the iPhone 6. This die-hard \"Apple fan\" is a swimming coach in Hong Kong. He said: \"Since the second generation of iPhone, I have basically...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 66.37 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1224,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 147.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1224\nTitle: \"iPhone 6 in Hong Kong now: How much does it cost? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the iPhone 6 in Hong Kong now? iPhone 68410 views 1 person followed Follow Answer 6 answers Official website price: (HKD) 16G: 5588 64G: 6388 128G: 7188 But you may not be able to buy it through official channels...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 33.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1225,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 109.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1225\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.03 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1226,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 109.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1226\nTitle: \"The latest price of iPhone 6 in China: the price of iPhone 6 in China hits a new low_TechWeb\"\nSummary: \"July 31, 2017 - For now, iPhone 6 is still a product worth buying. Its performance, camera and smoothness are not outdated. So, how much does it cost to buy an iPhone 6? The answer is less than 2,500 yuan. ...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1227,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 109.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1227\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"iPhone 6 on sale at 4698 yuan [Xiamen] Apple 6 16G gold version priced at 4800 yuan Daily market: iPhone 6 on sale at 4799 yuan again iPhone 6 on sale at 300 yuan off, three colors at the same price of 4988 yuan Peak showdown: Samsung Note4\/iPhone6...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.69 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1228,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Will there be tariffs on iPhone 6s sold in Hong Kong?\"\nQuery Dwell Time: 87.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1228\nTitle: \"\u3010Shopping Guide\u3011 Let me tell you some tax avoidance strategies of mainland tourists in Hong Kong_Pacific Fashion Network\"\nSummary: \"A netizen said that he had just bought an iPhone in Hong Kong recently. \"I put the phone in my clothes pocket, hid the receipt in a book, and opened the manual, data cable, and charger. I passed safely.\" \"I bought the iPad with my child, and put the iPad in the...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1229,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1229\nTitle: \"Do Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1230,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1230\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators - Communication Terminals\\Industry News\\News \u2014 ...\"\nSummary: \"September 10, 2014 - Apple iPhone 6 supports 4G networks of the three major domestic operators. In the early morning of September 10, Beijing time, Apple held a press conference at the Flint Center in Cupertino, California, USA.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1231,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1231\nTitle: \"I beg you to tell me whether the iPhone 6\/plus ordered from the Hong Kong official website supports China Mobile\/China Unicom\/China Telecom 4G...\"\nSummary: \"I beg you to answer, does the iPhone 6 or 6 Plus ordered from the Hong Kong official website support China Mobile\/China Unicom\/China Telecom 4G? Or does it only support China Unicom\/China Mobile? I am very confused about whether to order it or not. I am afraid it will not support it after I order it. Thank you! ... ...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1232,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1232\nTitle: \"Is it cheaper to buy an iPhone in Hong Kong than in the mainland? Is it cheaper to buy an iPhone 6 in Hong Kong than in the mainland?\"\nSummary: \"Can the iPhone bought in Hong Kong be used in mainland China? Yes, it can be used in mainland China. Since there is no operator operating CDMA network in Hong Kong, the Hong Kong version of the phone purchased cannot support telecom SIM cards. What is the difference between buying an iPhone 6 in Hong Kong and buying it in mainland China? Hong Kong version...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 31.01 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1233,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 251.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 202.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1233\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 86.93 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1234,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 251.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 202.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1234\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.07 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":2}
-{"id":1235,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 251.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 202.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1235\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.88 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1236,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 293.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1236\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.76 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1237,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 293.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1237\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 207.69 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":1238,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 120.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1238\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 90.51 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":2}
-{"id":1239,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 73.11 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1239\nTitle: \"Model of Liaoning aircraft carrier battle group unveiled at weapons exhibition, equipped with cutting-edge weapons_News_Nanhai.com\"\nSummary: \"September 30, 2012 - Some of the weapons and equipment have reached the world's advanced level. At this weapons exhibition, the organizer exhibited a full set of high-simulation models of my country's first aircraft carrier formation, the \"Liaoning\" aircraft carrier formation. The organizer said that its composition is similar to that of my country's...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.22 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1240,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 73.11 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1240\nTitle: \"Air Show Focus: New Air Defense Missile Equipment \"Liaoning\" - Science and Technology Channel - Hexun.com\"\nSummary: \"November 13, 2012 - The FL-3000N air defense missile system equipped on my country's \"Liaoning\" aircraft carrier was also exhibited at the air show. This type of missile was developed by China Aerospace Science and Industry Corporation and is my country's latest ship self-defense missile system. The system has...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1241,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 73.11 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1241\nTitle: \"China Japan is shocked: the Chinese military has hidden so many advanced weapons. Liaoning scares Japan, the US...\"\nSummary: \"The Chinese military has hidden so many advanced weapons. The Liaoning frightened Japan, and the United States urgently sent additional aircraft carriers to help. The US Congress... List several cases where the United States misjudged China's progress in independent weapons research and development. Foreseeing that China's military industry will produce modern weapons and equipment...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1242,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 67.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1242\nTitle: \"On September 25, 2012, the \"Liaoning\" aircraft carrier was officially delivered and put into use. The aircraft carrier is...\"\nSummary: \"On September 25, 2012, the \"Liaoning\" aircraft carrier was officially delivered for use. The aircraft carrier is 304 meters long, 70.5 meters wide, has a maximum speed of 32 knots, a standard displacement of 57,000 tons, a full load displacement of 67,500 tons, and is driven by four steam turbine engines. The total...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1243,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 67.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1243\nTitle: \"How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is already smoking at 12 knots_Short video...\"\nSummary: \"Short video How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is running at 12 knots but it is already smoking. Watch online in high definition. Short video related videos This minute of Nick Cheung's movie is more inspiring than reading a chicken soup book. If you are heartbroken, you may want to watch it. Father's love for his daughter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.54 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":1244,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 67.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1244\nTitle: \"What is the speed of an aircraft carrier?\"\nSummary: \"At 14:00 on the 26th, the Liaoning aircraft carrier passed through the southeastern waters of Dongsha Island and continued to sail southwest to perform cross-sea training tasks. As shown in the figure, during these 5 hours, the Liaoning aircraft carrier battle group maintained a high speed of 30 knots, indicating that the Liaoning's power performance is quite good...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1245,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 120.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1245\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - The most interesting thing is that a Chinese student studying in the Soviet Union also participated in the hardware development of this aircraft carrier. So today we choose to use this obsolete aircraft carrier as a starting point for a certain purpose and strategic significance. Even...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1246,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 120.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1246\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.76 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1247,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning and other aircraft carriers\"\nQuery Dwell Time: 79.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1247\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1248,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning and other aircraft carriers\"\nQuery Dwell Time: 79.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1248\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1249,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning: Comparison with other aircraft carriers\"\nQuery Dwell Time: 114.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1249\nTitle: \"Comparison of Liaoning and other aircraft carriers in China.doc_WeiPan Download\"\nSummary: \"Chinese version of the foreign publication Liaoning and other countries' aircraft carrier comparison.doc Size: 1.27M Downloads: 9 Category: Education\/Learning Save to Wedisk~ Download to local @2017 Wedisk Follow\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1250,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning: Comparison with other aircraft carriers\"\nQuery Dwell Time: 114.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1250\nTitle: \"Comparison of main aircraft carriers in various countries around the world - Navy version - Super Base Military Forum - The most influential military...\"\nSummary: \"You need to download or view, no account? Join the super large military x aircraft carrier comparison related posts The most influential military... Comparison chart of the main aircraft carriers of various countries in the world, comparison chart of the main aircraft carriers of various countries in the world-Navy version-\u2261 Super Military Zone \u2261-Super Base Camp Military...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1251,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 262.61 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 120.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1251\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.83 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":1}
-{"id":1252,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 262.61 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 120.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1252\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 60.37 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":1253,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 181.25 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1253\nTitle: \"Must-visit resorts for tourism around Beijing_Price quote\/cost for tour groups to Beijing\"\nSummary: \"In addition to visiting some famous attractions in Beijing, some people also like to go to resorts. What are the must-visit resorts in Beijing? Next, the editor will take stock of the must-visit resorts in Beijing. 1. Dream City...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1254,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 181.25 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1254\nTitle: \"Tour itinerary - price and cost of tour from Beijing to nearby areas - how much does it cost to tour nearby areas_Shenzhou International Travel\"\nSummary: \"How much does it cost to travel around Beijing, including quotes for local tours, precautions for local tours, visa application for local tours, etc. For inquiries, please call 400-662-9566 or 400-662-9766. You are welcome to call for inquiries.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 117.99 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1255,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"One week tour around Beijing\"\nQuery Dwell Time: 85.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1255\nTitle: \"Beijing surrounding tours_Beijing surrounding self-driving tour guide_Beijing surrounding one-day tours_Beijing surrounding tourism_Beijing...\"\nSummary: \"A complete guide to self-driving tours around Beijing, collecting the most interesting tourist attractions around Beijing, whether it is a one-day or two-day tour, a leisure farm stay, or a tourist attraction, as long as it is relevant information about tours around Beijing, it is all here.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1256,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"One week tour around Beijing\"\nQuery Dwell Time: 85.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1256\nTitle: \"Beigong National Forest Park: The best place to go is here, stay at home for a week... Beijing surrounding tour -...\"\nSummary: \"I'm looking for: Love and freedom. There's no better place than here. After staying in a heated room for a week, I couldn't breathe well. When I came to the forest park, I could breathe well, feel relaxed, and open-minded. Nature is great...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1257,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"One week tour around Beijing\"\nQuery Dwell Time: 85.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1257\nTitle: \"Beijing Zoo: When I was in kindergarten, I was said to go there once a week. ... Beijing Tours - Popular...\"\nSummary: \"Sitting on the bank and watching the waves When I was in kindergarten, I went there once a week. When I was dating, surprisingly many of my classmates went there. But I never understood why. It is really a place where I grew up. Other parks are not as attractive to me as this one. This should be...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.82 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":1258,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Convenient travel around Beijing\"\nQuery Dwell Time: 125.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1258\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Tourist attractions around Beijing - Wei County There are not many fun places around Beijing, so the sphere of influence is in Hebei. If you don't want to go far, you might as well go to this place. First of all, it is pure humanities. You are in this small silent county. In this small silent...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 92.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1259,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Taoshan Lake in Beijing\"\nQuery Dwell Time: 126.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1259\nTitle: \"Download the latest Taoshan Lake travel guide for 2017 - Taoshan Lake self-guided tour guide in Bashang Grassland | Yododo ...\"\nSummary: \"What is there to do in Taoshan Lake? The latest travel guide to Taoshan Lake in Bashang Grassland and the complete self-guided tour routes. Before you plan to travel to Taoshan Lake, you can take a look at the guide to Taoshan Lake and follow the footsteps of the pioneers! The latest self-driving guide around Beijing in 2014...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.07 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1260,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Taoshan Lake in Beijing\"\nQuery Dwell Time: 126.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1260\nTitle: \"Taoshan Lake_Bashang Grassland Taoshan Lake Nearby Accommodation_Price_Recommendation_Booking_Youduoduo B&B Booking Official...\"\nSummary: \"Taoshan Lake Datan Town, Fengning Manchu Autonomous County, Chengde City, Hebei Province The boss is very enthusiastic. The environment is very good and the room is very clean. It feels like home. The roasted lamb leg is very delicious, but the specialty is the roasted whole lamb. Mulan Paddock, Chengde City, Hebei Province...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 36.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1261,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 102.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1261\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"After buying a fixed-gear bicycle from this store, you can also meet many interesting fixed-gear friends. In addition, I know there is a fixed-gear store near the west gate of Tsinghua University... Home Discover Topics Login Join Zhihu Beijing bicycle fixed-gear bicycle 50 Views 7954 Check...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.44 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1262,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 102.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1262\nTitle: \"[Buy a fixed gear bike and get a free 50 yuan cycling bag. ] - Contact information - Beijing Ganji.com\"\nSummary: \"Buy a fixed gear bike and get a free 50 yuan cycling bag. No star rating yet Updated: 1 week ago Service features: Free cycling gift bag Service provided: Address: Beijing-Haidian-Qinghe Serving all of Beijing Contact number: 18610168744 (Location:...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1263,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 102.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1263\nTitle: \"I just bought a fixed gear bike a week ago, and I'm selling it because I want to change to a mountain bike. Urgent - Bicycles around Shanwei...\"\nSummary: \"I just bought a fixed gear bike a week ago, and I'm selling it because I need to change to a mountain bike. Urgent, contact number: 18998952265, can accept small knives, not big knives. brIf you are interested, please take a look. It's best to QQ me. brIf you are interested, I will give you a car lock and 3 types of car lights, which are very exciting at night. brSupport...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1264,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed gear bicycle price near Tsinghua University\"\nQuery Dwell Time: 56.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1264\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.05 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":1265,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 68.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1265\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1266,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International airlines carry-on baggage restrictions\"\nQuery Dwell Time: 847.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1266\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1267,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International airlines carry-on baggage restrictions\"\nQuery Dwell Time: 847.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1267\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"Size and weight limits for checked baggage On weight-based routes, the maximum weight of each piece of checked baggage for passengers on international or regional flights shall not exceed 32 kg; for passengers on international or regional and domestic combined flights, the maximum weight of each piece of checked baggage shall not exceed 32 kg.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 725.68 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1268,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International airlines cannot check in items\"\nQuery Dwell Time: 59.95 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1268\nTitle: \"What prohibited items cannot be checked in on international flights? - Qyer Q&A\"\nSummary: \"Shanghai to Osaka, Japan, All Nippon Airways. 1. What can't be checked in? (Can I ask if styling spray can be checked in?) 2. What can't be brought as carry-on? Thank you!!\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.84 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1269,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights to the United States cannot be checked in\"\nQuery Dwell Time: 240.01 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1269\nTitle: \"What luggage can be checked in with American Airlines - Los Angeles Chinese Information Network\"\nSummary: \"As the international crude oil prices continue to soar, the operating costs of major US airlines are also increasing. In order to ease the pressure, the largest US airline, American Airlines, decided to...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 182.75 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1270,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 49.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1270\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.31 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1271,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 49.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1271\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.02 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1272,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 69.54 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1272\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.98 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":1}
-{"id":1273,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 69.54 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1273\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1274,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 39.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1274\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"Effective ways to quit smoking 3. Firmly refuse the temptation of cigarettes and remind yourself frequently that smoking one more cigarette is enough to ruin your plan to quit smoking. Avoid participating in places or activities where people usually smoke. Effective ways to quit smoking 4. Drink water, eat fruit or...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1275,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 76.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1275\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.66 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1276,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 76.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1276\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.88 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":1277,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 61.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1277\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.87 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1278,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 61.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1278\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1279,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 40.09 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1279\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.31 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1280,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price comparison between China and Hong Kong\"\nQuery Dwell Time: 89.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1280\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.68 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1281,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1281\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.56 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":2}
-{"id":1282,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1282\nTitle: \"How much tariff does iPhone 6 have to pay? - Chicago Chinese Information Network\"\nSummary: \"Well, my friend in China asked me to help buy an iPhone 6 Plus. It is said that the specialty stores are out of stock. Can I... Accountant, CPA If I send an iPhone 6 back to China and it is taxed by the customs, how much is the tariff? ChicagoChinaRen....\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.36 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1283,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1283\nTitle: \"Do I need to pay customs duties when delivering Taiwan iPhone 6 to mainland China? - TigerEasy\"\nSummary: \"Keywords: Is there any need to collect customs duties when the Taiwan version iPhone6 \u200b\u200bis delivered to the mainland? Are you looking for: More\u2228 Huyi.com > Supply Opportunities > > > Is there any need to collect customs duties when the Taiwan version iPhone6 \u200b\u200bis delivered to the mainland? A total of 1586325 items Hello, welcome to Huyi.com! I...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1284,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1284\nTitle: \"Beijing Customs: Do I have to pay customs duties for my iPhone 6 for personal use? [197478]_Guide to customs clearance for customs broker exams -...\"\nSummary: \"Question number: [197478] Question title: Hello, do I need to pay customs duties for my iPhone 6 for personal use? Question content: Hello, I bought an iPhone 6 abroad for personal use. After returning to China for a month's vacation, I brought it back abroad. Do I need to pay a 10% customs duty? ...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1285,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1285\nTitle: \"Carrying or mailing iPhone 6 abroad will cost at least 400 yuan in customs duty - China - Hanwang_Wuhan News_...\"\nSummary: \"January 23, 2015 - The customs duty for bringing an iPhone 6 is 400 to 600 yuan. Yesterday, the reporter consulted the 12360 customs service hotline about this issue. The relevant staff said that within the reasonable range of personal use, that is, bringing it back for personal use or...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1286,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy Hong Kong version iPhone 6\"\nQuery Dwell Time: 39.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1286\nTitle: \"How can I buy the Hong Kong version of IPHONE6 - Transaction\/Card Number - 16fan\"\nSummary: \"[Comprehensive] I want to ask how to buy the Hong Kong version of IPHONE6. I am going to Hong Kong in mid-December. I heard that I6 cannot be bought on site. I need to make an appointment. What is the appointment process? I want to ask how to buy the Hong Kong version of IPHONE6, 16th\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.09 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1287,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy Hong Kong version iPhone 6 in Hong Kong\"\nQuery Dwell Time: 67.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1287\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The lowest price of Hong Kong iPhone 6 is HK$5,588 (about RMB 4,400), which is the same as the previous generation iPhone... Currently, there are only two ways to buy in Hong Kong: The first is to buy online from Apple's Hong Kong official website. From 15:00 on the 12th...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1288,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 37.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1288\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1289,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1289\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1290,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1290\nTitle: \"How to get to Tsinghua University Swimming Pool by car?\"\nSummary: \"Post number: 3 Page: Share to: Article topic: How to drive to Tsinghua University Swimming Pool? Jason Identity User Article Zodiac Pisces Points Level Nanmu (12) Sender: jason04 (jason), Message area: Swimming From...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.36 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1291,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1291\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.05 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1292,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1292\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1293,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1293\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"231 reviews Star rating comes from comprehensive industry evaluation Per capita: - Water quality: 9.1 Environment: 9.0 Value for money: 9.0 Address: Phone: No Add more information Alias: Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1294,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1294\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"The swimming pool in the school has very good water quality. The price is cheap on campus. But the time is a bit short. And it is divided into sessions, not always open. Per person \uffe525 | Water quality 4 (very good) Environment 4 (very good) Value for money 4 (very good) Visited this spot twice, the third time...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.77 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":1}
-{"id":1295,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1295\nTitle: \"Correction statement: Explanation of the charging standards for outdoor sports venues on campus - Tsinghua University Student Union Log,...\"\nSummary: \"Tsinghua University's on-campus sports venue charging principles: 1. The charging standards set by the Sports Department are approved by the on-campus charging standards review committee. Although a slight price adjustment was made in 2011, the overall charging situation remains unchanged and basically follows the past...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1296,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1296\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1297,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1297\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The on-campus staff are very cheap, and the off-campus staff are...\"\nSummary: \"1234 big brother's comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool): The on-campus ones are very cheap, while the off-campus ones are a bit expensive, but the price is still relatively affordable. There are many people in the summer, but the water is relatively clean. It is cheaper to apply for a three-month card...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1298,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1298\nTitle: \"Tsinghua University West Lake Swimming Pool: \"The open-air swimming pool on campus is closer to the west gate of Tsinghua University. ...\"\nSummary: \"Backstroke Fish's comments on Tsinghua University West Lake Swimming Pool: The outdoor swimming pool on campus is closer to the west gate of Tsinghua University. The price is cheaper than the indoor swimming pool. There are many people in the summer, and swimming in it is a bit sunburned, but it has a unique flavor\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1299,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card\"\nQuery Dwell Time: 105.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1299\nTitle: \"[Tsinghua University Swimming Card | Tsinghua University Swimming Card Transfer Information] - Beijing 58.com\"\nSummary: \"Transfer swimming card 1500 yuan Hepingli Today Tsinghua University swimming card introduction: Tsinghua University swimming card channel provides you with Tsinghua University swimming card query, Tsinghua University swimming card transfer information for you to choose, you can view and publish Tsinghua University swimming card for free...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.82 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":1300,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card\"\nQuery Dwell Time: 105.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1300\nTitle: \"Transfer Tsinghua University Swimming Card_Huilongguan Online Trading Market_Huilongguan Community Network\"\nSummary: \"There are 13 swimming passes left, each lasting three hours. Tsinghua's current price is 16.7 yuan per session. We are offering half price to swimming enthusiasts. We hope to get to know you and learn from you. In my opinion, Tsinghua University Swimming Pool is the best swimming pool in Haidian District...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.11 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1301,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 183.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1301\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 154.24 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":1302,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 82.38 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1302\nTitle: \"What are some of the most powerful scams in history? (The predecessor of China's first aircraft carrier \"Liaoning\")\"\nSummary: \"The chess game is so big that it is amazing. It is not comparable to those commercial conspiracies and scams. The birth of the aircraft carrier Liaoning. It is well known that in order to strengthen its sea control, contemporary China has always needed the support of aircraft carriers. But on the one hand, the country...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.44 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":1303,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1303\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 991.88 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1304,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1304\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1305,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1305\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 379.71 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1306,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1306\nTitle: \"Icebreaker games collection - simple and fun icebreaker games - icebreaker games to get to know each other - Seven Dimensions Excellence Development\"\nSummary: \"Seven Dimensions Outward Bound Training China Outward Bound Training Association - The only executive director unit in Shenzhen Consulting phone: 0755-88864399 Home > Ice-breaking Games\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.88 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1307,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1307\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1308,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1308\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 132.93 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1309,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1309\nTitle: \"Ice-breaking game for new employee training\"\nSummary: \"Just like breaking the thick ice in winter. Ice-breaking games help people relax and become willing to communicate and learn from each other. Here in the game hall, we have prepared training games for new employees to get to know each other and familiarize themselves with the company. Ice-breaking games are a popular way for many trainers...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 85.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1310,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1310\nTitle: \"Mysterious character in ice-breaking game for new employees during training_Training games_Interactive games\"\nSummary: \"The main purpose of the Mysterious Person game is to encourage new joiners or old and new employees to get to know each other and integrate quickly. Applicable people: new employee training or new and old employee gatherings Game location: classroom, conference room, etc. Game...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1311,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1311\nTitle: \"Ice-breaking game for new employee training_Chengzhi Development\"\nSummary: \"What kind of development projects are suitable for the company's new employee development? Where is the best place for a family trip during the summer vacation: Xinjiang What creative invitations are there for new product launches of big-name companies? The latest annual meeting game collection to make the annual meeting more exciting What issues need to be paid attention to in the press conference? Development training guide...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1312,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1312\nTitle: \"Beijing Surrounding Tour: Great Beauty Season 5 - Record of the Fifth Season Longshui Fenggang Ecological Camping Farm One-Day Tour - ...\"\nSummary: \"In May 2014, I had more than two months left before graduation. I had already finished my graduation thesis and was just waiting for my diploma. During this free time, I decided to travel around Beijing alone and do a small survey on agricultural leisure travel around Beijing. I also took this opportunity to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.22 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1313,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1313\nTitle: \"Ask for advice on outdoor nature tours around Beijing - Beijing Travel Q&A | Yododo\"\nSummary: \"4-5 days is not enough for the scenic spots around Beijing. It is better to focus on one place and talk about the others later. #4 Yuyan (Zhouyouniao) said: You can go to Shidu. You can also bungee jump there. There are long-distance buses directly to Simatai. It is great to drive there~ You can also go to the hot...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 112.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1314,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1314\nTitle: \"Beijing Surroundings, Beijing Surroundings, Beijing Surroundings Tours - eLong Travel Guide (Page 290)\"\nSummary: \"Ginkgo Forest Ginkgo is a deciduous tree that blooms in May and matures in October. Usually in November every year, the Ginkgo Forest welcomes the most beautiful... Appreciate chrysanthemums, taste crabs, pick fruits and vegetables. When it comes to the surrounding areas of Beijing, I don't want to mention Huairou and Miyun, which are the suburbs of Beijing and suitable for...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 30.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1315,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1315\nTitle: \"At the end of May and the beginning of June, four of us went on a one-week trip from Huangshan to Beijing. Can anyone give us a good travel guide?\"\nSummary: \"Mafengwo Q&A > In late May and early June, four people traveled from Huangshan to Beijing for a week. Can anyone give me a good travel guide? What is the most economical and affordable round-trip transportation? 1267 views 0 people followed Follow Answer 2 answers The air tickets are still quite...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1316,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1316\nTitle: \"At the end of May and the beginning of June, four of us went on a one-week trip from Huangshan to Beijing. Can anyone give us a good travel guide?\"\nSummary: \"Mafengwo Q&A > In late May and early June, four people traveled from Huangshan to Beijing for a week. Can anyone give me a good travel guide? What is the most economical and affordable round-trip transportation? 1267 views 0 people followed Follow Answer 2 answers The air tickets are still quite...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.69 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1317,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Weekly Travel Guide in May\"\nQuery Dwell Time: 60.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1317\nTitle: \"Recommended tours in May: Shidu, Yesanpo, Bailixia, Baicaopan two-day bus tour_...\"\nSummary: \"Baiyangdian Travel Guide - Anti-fraud and Anti-scam First-hand Original Guide Beijing-Hohhot \u00a5399 Beijing-Shanghai \u00a5420 Beijing-Chongqing \u00a5594 Beijing-Shenzhen \u00a5610 Beijing-Hong Kong \u00a5676 Beijing-Zhengzhou \u00a5844 Beijing-Yanji \u00a5872 Beijing-Xiamen...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1318,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1318\nTitle: \"Shidu Tourism | Yesanpo Tourism Network - Beijing Shidu Tourism, Hebei Yesanpo Tourism, Yesanpo Baili...\"\nSummary: \"Shidu-Yesanpo Tourism Network comprehensively introduces Beijing Shidu Scenic Area, Fangshan Shidu World Geopark, Hebei Yesanpo Tourist Scenic Area, Laishui Yesanpo Bailixia World Geopark, local tourism official website, and for netizens on this site, scenic spot tickets 8...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1319,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1319\nTitle: \"[Shidu to Yesanpo train_Shidu to Yesanpo train ticket inquiry] - Tieyou12306\"\nSummary: \"Tieyou12306 provides Shidu to Yesanpo train ticket inquiry, Shidu to Yesanpo train ticket inquiry, Shidu to Yesanpo train ticket inquiry, Shidu to Yesanpo high-speed rail ticket inquiry, departure and destination stations, fares, timetables, train numbers and other search results services as well as...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.31 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1320,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1320\nTitle: \"I'm back, Shidu-Yesanpo Guide_I'm back, two days of itinerary, very enjoyable_...\"\nSummary: \"I'm back, Shidu-Yesanpo Guide I'm back, two days of itinerary, very enjoyable. Our itinerary is as follows: first day in the morning to play Shidu, afternoon Yesanpo rafting, evening dinner...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.44 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1321,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1321\nTitle: \"Which is better, Shidu or Yesanpo? Comparison between Shidu and Yesanpo - Mafengwo\"\nSummary: \"Mafengwo Q&A >Which one is better, Shidu or Yesanpo? Which one is better, Shidu or Yesanpo? I don't know where to go, which one is better, please recommend 9770 views 0 people follow Follow Answer 1 answer I personally...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1322,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1322\nTitle: \"Tianjin Fixed Gear Store\"\nSummary: \"http:\/\/chaoqi-bike.taobao.com QQ:863866110 Specializes in various body stickers, fixed gear spoke cards, massive... Tsinghua University (26) 3 3. Fudan University (237) 3 4. Shanghai Jiaotong University (10) 9 5. Sun Yat-sen University (33) ... Whenever people walk on the road that Premier Zhou walked,... Now there are imitation Xinyang Maojian in Luoshan, Yingshan and other places near Xinyang. The main transportation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1323,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1323\nTitle: \"[Second-hand ordinary bicycle transfer_New ordinary bicycle transfer information] - ...\"\nSummary: \"Tsinghua University Ordinary Bicycle \/ Others \/ December 16 2 pictures 158 yuan Phoenix men's 26-inch bicycle with aluminum alloy rims, easy to ride Haidian - Tsinghua University - No. 3, Zhongguancun North Second Street Ordinary Bicycle \/ Phoenix \/ December 16 5 pictures 150 yuan bicycle for sale...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1324,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1324\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Second-hand bicycles 6722 people gathered in this group Join the group Latest topics (more) A permanent bicycle without a frame. Easy to ride, strong. (Delicious sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike,...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1325,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1325\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"tnjmjohmjmz Dear netizens, where are the physical stores selling bicycles near Tsinghua University, Peking University, Beijing University of Science and Technology, and Physical Education University? Please report any political\/pornographic violations. tnjmjohmjmz 09-24 10:30:39 Thank you ls Zbohnbo Tsinghua West Gate to the north, beautiful...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1326,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 93.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1326\nTitle: \"Brand new fixed gear for sale University Town Kowloon Bicycle - Wuhu Bicycle\"\nSummary: \"Information number: 83c650742d41d0c7 Information category Vehicle service Motorcycle Electric bicycle Price 1 yuan Source Personal New and old Brand new Contact: Mobile phone: Address: Wuhu - Yijiang Wuhu aiSF Bicycle Club Love life Love death fly University Town Death...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.81 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1327,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 93.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1327\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 13\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.77 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1328,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 93.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1328\nTitle: \"No. 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, on the east side of the road, the address of Shunrufeng Bicycle - Beijing...\"\nSummary: \"The address of Beijing Shunrufeng Bicycle is: 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, east of the road. The phone number of Shunrufeng Bicycle is: No phone number available. Introduction of Shunrufeng Bicycle: The introduction of Shunrufeng Bicycle is not complete at present. Please help me...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1329,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store Tsinghua\"\nQuery Dwell Time: 45.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1329\nTitle: \"Fixed Gear Bicycles [Brands, Pictures, and Photos] Fixed Gear Bicycle Prices, Fixed Gear Bicycle Stores Expensive...\"\nSummary: \"Juqi.com is a fixed gear bicycle store, a manufacturer direct selling genuine fixed gear bicycle brands, providing the latest fixed gear bicycle price pictures, fixed gear bicycle pictures and fixed gear bicycle quotation information for reference. Buy fixed gear bicycles online at Juqi.com, no questions asked within seven days...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1330,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store Tsinghua\"\nQuery Dwell Time: 45.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1330\nTitle: \"Fixed Gear Bike Store | How much does a fixed gear bike cost in a physical store_Tianjin E Network\"\nSummary: \"Introduction: How much does a fixed gear bike cost in a physical store? Where is the fixed gear bike store in Nanjing? Where can I buy a fixed gear bike? Where is the fixed gear bike store in Guangzhou? How much does a fixed gear bike usually cost in a physical store? About \"Fixed Gear Bicycle...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.37 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1331,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1331\nTitle: \"Phoenix Bicycle (Tsinghua University Store), Beijing Phoenix Bicycle (Tsinghua University Store) phone number_...\"\nSummary: \"Phoenix Bicycle Store (Tsinghua West Gate Store) Phoenix Bicycle (Tsinghua University Store) Phoenix Bicycle (Tonghui North Road) Phoenix Bicycle Beijing Maintenance and Service Department Phoenix Bicycle Direct Sales Store Phoenix Bicycle Beijing Maintenance and Service Department...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.45 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":1332,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1332\nTitle: \"[Tsinghua Electric Vehicle Store] Tsinghua Electric Vehicle Store Phone Number, Tsinghua Electric Vehicle Store Address_Picture Bar...\"\nSummary: \"The phone number of Tsinghua Electric Vehicle Store is , and the address of Tsinghua Electric Vehicle Store is near Zhishan Street. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua Electric Vehicle Store.\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1333,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1333\nTitle: \"[Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store] Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store...\"\nSummary: \"The phone number of Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store is, and the address of Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store is near North Chang'an Street. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store. ...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.62 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1334,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1334\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"Add interior view Apply for new landmark Phone: 13693077221 Address: 200 meters north of the west gate of Tsinghua University [Report address and phone error] View large map: Merida Bicycle Tsinghua West Gate Hotel Inquiry Air Ticket Inquiry Attraction Tickets Travel Route Movie...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1335,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed-plane in Tsinghua\"\nQuery Dwell Time: 41.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1335\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1336,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1336\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 85.98 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1337,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1337\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.83 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1338,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1338\nTitle: \"Luggage allowance regulations for China Eastern Airlines international flights\"\nSummary: \"Tags: China Eastern Airlines flight luggage, common sense China Eastern Airlines flight carry-on luggage is as follows: Each passenger's carry-on non-checked luggage generally cannot weigh more than 5 kg, and the volume of each piece cannot exceed 20X40X55 cm, and must be able to fit in the luggage rack or...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.63 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":1}
-{"id":1339,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1339\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"[Number of checked luggage] Requirements for the number, weight, and size of checked and carry-on luggage on general international flights. International flights do not limit the number of checked luggage, but limit the weight. What are the regulations for the number and weight of carry-on and checked luggage on flights from Jeju to Wuhan?\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1340,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and size restrictions\"\nQuery Dwell Time: 123.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1340\nTitle: \"AA American Airlines International Flight Hand Luggage Weight Limit - Travel Q&A\"\nSummary: \"I checked the weight limit of carry-on luggage on AA American Airlines international flights online. Some people said that there is no limit on carry-on luggage, only size limit. Some people said that the limit is 7 kg. Anyone who has flown on American Airlines can share their experience. Thank you. Of course there are regulations, usually 10...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1341,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and size restrictions\"\nQuery Dwell Time: 123.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1341\nTitle: \"Detailed answers to the luggage weight regulations for flights to the United States - New Oriental Network\"\nSummary: \"July 9, 2014 - Many students who go to the United States to study don't know much about this. The following is an introduction to the regulations on the weight of luggage for flights to the United States. Restrictions on carry-on luggage \u2474. Taking domestic flights: The total weight of the passenger's hand luggage should not exceed...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1342,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1342\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.34 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1343,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1343\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.81 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":1344,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1344\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1345,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1345\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.51 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1346,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1346\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.26 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1347,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1347\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.31 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1348,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1348\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.74 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1349,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1349\nTitle: \"Quit smoking_The harm of smoking_The best way to quit smoking_E-cigarette brand|18 bends to quit smoking\"\nSummary: \"18 Tips for Quitting Smoking helps you understand the dangers of smoking, nicotine, e-cigarettes, cigarettes and other tobacco products, explains how to quit smoking and the symptoms after quitting smoking, and provides the latest and best methods and products for quitting smoking at home and abroad.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.17 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":0}
-{"id":1350,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1350\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.37 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":1}
-{"id":1351,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1351\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1352,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1352\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.72 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":1353,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1353\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.08 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1354,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1354\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"For men who are addicted to smoking, quitting smoking has always been a slogan they often shout. But the fact is that after quitting for a few days, they start smoking again when they encounter the right place or occasion. This goes on and on, and quitting smoking is just a...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1355,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1355\nTitle: \"The most effective way to quit smoking\"\nSummary: \"Take enough rest and have a regular life when quitting smoking; 4. Take a walk outside after meals and take deep breaths for 15 minutes; 5. Do not drink stimulating beverages, drink milk, juice and cereal drinks instead; 6. Try to avoid eating poultry and fried foods; 7. Eat more vitamin B...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.26 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1356,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1356\nTitle: \"The most effective way to quit smoking is to rely on \"willpower\" - E-cigarette Encyclopedia\"\nSummary: \"The most effective way to quit smoking is to rely on \"willpower\": smokers' addiction to smoking is mainly the result of long-term effects of nicotine. Nicotine is like other anesthetics. It is not suitable for the first time to smoke, and it will cause chest tightness, nausea, dizziness and other discomforts, but if...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1357,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1357\nTitle: \"What are the effective ways to quit smoking?\"\nSummary: \"People say smoking is bad and increases the chance of getting lung cancer, so why do we still see some centenarians smoking like crazy? Answer: 1. It is not easy to quit smoking by willpower, but it will be more difficult. After quitting smoking, there will be some withdrawal syndrome, especially mental...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1358,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1358\nTitle: \"The most effective way to quit smoking in the world - Article\"\nSummary: \"The method of quitting smoking is very important for people who want to quit smoking. Choosing the right and effective method of quitting smoking is more conducive to the success of quitting smoking. Let's take a look at the following methods of quitting smoking. Distracting attention method: When you can't resist the urge to smoke, you can take a hot bath; or...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.48 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1359,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1359\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.71 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1360,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1360\nTitle: \"The embarrassment of Google Glass: Can enter the country but can't leave home? _Viewpoint_PConline...\"\nSummary: \"May 17, 2013 - Google Glass is one of the most controversial products of Google in recent years. Before the development version was shipped, people were curious and hoped to get this magical pair of glasses. But when the glasses were officially shipped...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 57.89 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":1}
-{"id":1361,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1361\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.26 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":1362,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1362\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.75 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1363,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1363\nTitle: \"What are the functions of Google Glass?\"\nSummary: \"Google Glass is no stranger to everyone. This pair of glasses is as powerful as a smartphone. Shaohuang.com provides netizens with an introduction to the specific functions of Google Glass. 1. Hangout: Users can not only log in through Google Glass...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1364,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1364\nTitle: \"\u3010Google Glass\u3011What are the characteristics and functions of Google Glass? \u2014 Ask Knowledge\"\nSummary: \"\u3010Google Glass\u3011What are the features and functions of Google Glass? Most headlines reporting on the new wearable prototype of Chinese Internet search giant Baidu compare it to Google Glass.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.01 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1365,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1365\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.15 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1366,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1366\nTitle: \"What are the functions of Google Glass - CSDN Blog\"\nSummary: \"From GPS navigation, intelligent language search, video conferencing to Gmail email, calendar, Googleplus and photo sharing, many functions are integrated into the Google Glass application. When you need them, they are turned on; when you don't need them...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1367,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 130.53 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1367\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"2 How to use Google Glass Suggestions: Search online for Google Glass tutorials. Here are 3 ways: 1.... Setting up Google Glass is very simple. First, you need to install the MyGlass app on your Android phone, then...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 79.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1368,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 130.53 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1368\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"The Google Cobra package comes with a charging base. Plug the cable you plugged into the mouse into the back of the base, confirm that Google... and press the button on the front of the base at the same time to synchronize, so that your Google Glass can be used wirelessly. Attachment:...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.84 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1369,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 130.53 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1369\nTitle: \"Google Glass user experience: too flashy, limited use cases - Sohu News\"\nSummary: \"May 6, 2014 - Allows users to use Google Glass to view text message notifications on their iPhones. Some other features of Google Glass also... The original intention of the design of Google Glass was to allow people to use their phones in some situations where it is inconvenient to use a mobile phone without having to be sneaky...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":1370,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 57.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1370\nTitle: \"Google Glass will be available in limited quantities in the US next week, and can be purchased by anyone over 18 years old - Niuhua.com\"\nSummary: \"April 11, 2014 - Last year, Google issued a limited invitation to purchase Google Glass. Starting in December, some Google Play Music All Access subscribers can purchase Google Glass. This week, Google launched the \"Glass at Work\"...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1371,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 57.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1371\nTitle: \"Google to test online shopping for \"Google Glass\" - limited purchases for one day only_News Center_China.com\"\nSummary: \"Google Inc. of the United States announced on the 10th that it will accept limited online orders for \"Google Glass\" on the 15th. This is the largest expansion of the trial scope of \"Google Glass\" to the public, and it is also another recent move by Google to promote this wearable device...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1372,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 57.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1372\nTitle: \"Google Glass is now available for purchase. Who should buy it at the sky-high price of $1,500?\"\nSummary: \"April 15, 2014 - On April 15, local time in the United States (April 16, Beijing time), Google will open the purchase of Google Glass to the general public for one day. The price of the Google Glass available for purchase this time is the same as the \"Explorer Edition\", which is still 1,500...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1373,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 95.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1373\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6|Parameters_iPhone6 \u200b\u200bPictures|Reviews_Apple iPhone...\"\nSummary: \"Apple iPhone6A1586 product photos, the most expensive is only 68 yuan! Common iPhone6 \u200b\u200bprotective case comparison photos (1 Apple iPhone6A1586 product article As of now, the iOS system has been updated to version 8.1.2, and the system functions are becoming more and more complete...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1374,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 95.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1374\nTitle: \"New domestic version of Apple iPhone 6 at a good price of 1799 yuan - Apple iPhone 6_Nanjing mobile phone market -...\"\nSummary: \"June 5, 2017 - (Zhongguancun Online Jiangsu Market) The top-level Apple mobile phone of the year is worth choosing. Today, I will introduce the screen resolution of the Apple iPhone 6 to you. It is 1334x750 pixels, which Apple calls Retina HD screen...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.09 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":1375,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 95.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1375\nTitle: \"[Apple iPhone 6 128GB Telecom Edition 4G (Silver) Price] How is it_Price_Apple ...\"\nSummary: \"iPhone6 \u200b\u200b128GB latest price 128GB Telecom version 4G (silver) 16GB public version 4G (gold) 16GB public version 4G (silver) 128GB mobile version 4G (silver) 64GB mobile version 4G (silver) Apple iPhone6 \u200b\u200b128GB product...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.07 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1376,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6\"\nQuery Dwell Time: 100.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1376\nTitle: \"iPhone- Apple\"\nSummary: \"Explore iPhone, the world's most powerful personal device. Check out iPhone X, iPhone 8, and iPhone 8 Plus.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1377,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much is the iPhone 6 from Hong Kong?\"\nQuery Dwell Time: 117.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1377\nTitle: \"\u3010Photo\u3011Hong Kong iPhone 6 has a price_1_Shenzhen Forum_Aika Auto\"\nSummary: \"The price of iPhone 6 made in Hong Kong is available (1\/1) Original Poster: Jamesc1628 Return to post $5588 HKD iPhone 6 $6388 HKD iPhone 6 plus\u2026 [View this post]\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.0 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1378,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much is the iPhone 6 from Hong Kong?\"\nQuery Dwell Time: 117.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1378\nTitle: \"Kind people tell me what is the latest price of iPhone 6 Hong Kong goods?_Computer network problem_Tuba...\"\nSummary: \"Tubatu Decoration Q&A platform provides netizens with various questions and answers. Tubatu Decoration Q&A gathers the decoration experience and wisdom of 6 million owners, quickly solving decoration confusion\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 36.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1379,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much is the iPhone 6 from Hong Kong?\"\nQuery Dwell Time: 117.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1379\nTitle: \"Does anyone know how much the iPhone 6 Hong Kong version costs?\"\nSummary: \"5670 yuan iPhone 6 plus: 16G 6388 Hong Kong dollars, 64G 7188 Hong Kong dollars, 128G 8088 Hong Kong dollars. People's... Answer: Parallel imports~~ I am from Guangdong. We cross the sea to Hong Kong. The Hong Kong goods are converted into RMB 5600, even...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1380,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need to pay customs duties?\"\nQuery Dwell Time: 47.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1380\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15 of 2012.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1381,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need to pay customs duties?\"\nQuery Dwell Time: 47.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1381\nTitle: \"Will bringing the Hong Kong version of the iPhone 6 into the country be considered smuggling? - Articles Clearance - China Customs Lawyers Network\"\nSummary: \"I saw a recent newspaper report that Shenzhen Huanggang Customs recently caught many \"smugglers\" carrying IPHONE6 mobile phones. Do I need to pay customs duties when I bring Apple iPhone6Plus (Hong Kong version) into the country? Is it okay to bring a mobile phone into the country for a friend who is traveling abroad during the National Day holiday?\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.94 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1382,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1382\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1383,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1383\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G network - IT News - 21CN.COM\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.95 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1384,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1384\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks_NetEase Technology\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1385,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1385\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.16 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1386,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1386\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.59 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1387,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1387\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.11 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1388,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1388\nTitle: \"Can the Hong Kong version of iPhone 6 be used with China Telecom?_Mobile phone questions_Tubatu Q&A\"\nSummary: \"Specifically, the only versions that can support the three major domestic operators' networks are the Japanese unlocked version, the US Sprint customized version, and the China Unicom and Telecom versions. These versions can support GSM\/WCDMA\/CDMA2000\/TD-SCDMA\/TD-LTE\/LTE...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.93 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1389,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1389\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.89 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1390,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1390\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Dianping.com provides you with parking information about Chenming Swimming Pool (Tsinghua University Swimming Pool), how much is the parking fee at Chenming Swimming Pool (Tsinghua University Swimming Pool), and how to park nearby. You can also share your experience at Chenming Swimming Pool (Tsinghua University...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.2 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":1391,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1391\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1392,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1392\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1393,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1393\nTitle: \"[Tsinghua University Swimming Pool] Tsinghua University Swimming Pool Group Purchase - Meituan.com\"\nSummary: \"Tsinghua University Swimming Pool Group Buying Special, here you can find the most affordable and preferential Tsinghua University Swimming Pool Group Buying, Tsinghua University Swimming Pool Group Buying All! At the same time, there are also a variety of Tsinghua University Swimming Pool Group Buying Packages for you to compare and choose, with super low discounts,...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1394,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 80.22 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1394\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 51.45 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1395,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1395\nTitle: \"Background information of Liaoning\"\nSummary: \"The other third are officers and conscripts, roughly half and half. More than 98% of the officers of the Liaoning have a bachelor's degree or above, including more than 50 with a master's degree or above. Soldiers are basically high school graduates, including about...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 65.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1396,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1396\nTitle: \"Decoding the six details of the aircraft carrier \"Liaoning\", including basic technical parameters\"\nSummary: \"Basic technical parameters The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. There are 10 floors below the main deck and 9 floors of island-style superstructure above the main deck. The normal displacement of the Liaoning is more than 50,000 tons, and the full...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.44 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1397,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1397\nTitle: \"Liaoning Decoding the six details of the \"Liaoning Ship\", the basic technical parameters are clearly revealed. The cable of the \"Liaoning Ship\"...\"\nSummary: \"Basic technical parameters The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. Foreign media: The symbolic significance of the Liaoning aircraft carrier is greater than its actual significance. India is \"cheating\" again. Indian netizens' comments on the Liaoning are hilarious. The main deck...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1398,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1398\nTitle: \"Military representative: The overall performance of the domestically-made aircraft carrier is much better than that of the Liaoning __ Hainan News Network _...\"\nSummary: \"March 8, 2017 - These are our basic reliance. Data map: Liaoning aircraft carrier organizes J-15 carrier-based fighter jets to take off during formation training in a certain area of \u200b\u200bthe Yellow Sea. Reporter: Now the modernization level of our naval vessels is approaching or reaching the world's first...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.36 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1399,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning's speed and weapons\"\nQuery Dwell Time: 161.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1399\nTitle: \"7 major features of the Liaoning: strong firepower, high hull and high speed_Ronghu Central City - Home in Shenzhen\"\nSummary: \"Gold: - Level: - Points: - Registration time: - 7 major features of the Liaoning: strong firepower, high hull, high speed. The Liaoning held a handover ceremony and was officially delivered to the navy. The Chinese people's century-old dream of an aircraft carrier has finally become a reality. Aircraft carriers have...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1400,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning's speed and weapons\"\nQuery Dwell Time: 161.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1400\nTitle: \"Detailed explanation of China's first aircraft carrier Liaoning and its weapons and equipment.doc\"\nSummary: \"Crew: 2100+500 (aviation personnel); Weapons and equipment: 12 units of SS-N-19 anti-ship missile vertical launch system; 4... Detailed explanation of China's first aircraft carrier Liaoning and its weapons and equipment.doc 15 pages\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1401,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 156.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1401\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - So we chose this obsolete aircraft carrier as the starting point today for a certain purpose and strategic significance. Some experts and scholars even confidently said that if an incident occurs in the South China Sea, China will consider sending our existing navy to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1402,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 156.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1402\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 - Aircraft carriers are strategic weapons. Nuclear weapons and nuclear submarines are also strategic weapons. But their strategic significance is different. With nuclear weapons (or to put it more precisely, the ability to strike twice), we can ensure that others dare not destroy us...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.14 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1403,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1403\nTitle: \"Comment: A direct comparison between the domestically produced aircraft carrier and the Liaoning\"\nSummary: \"A direct comparison between the domestically produced aircraft carrier and the Liaoning. The United States made a shocking statement, and the countries around the South China Sea were slapped in the face! The United Nations criticized Japan with 218 recommendations, and Abe was infuriating. The United States made a big deal, and Europe was hysterical and collectively criticized Russia. The Prime Minister spread rumors and put his collar...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1404,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1404\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1405,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1405\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 60.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1406,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1406\nTitle: \"Which aircraft carrier is more powerful, Liaoning or Japan? - Weisi Homeworkbook\"\nSummary: \"Which one is better, Liaoning or Japan's aircraft carrier? I won't compare Liaoning, but it's unfair to compare Liaoning with Hyuga. I'll compare the Kiev-class aircraft carrier, which is not rare in China and used by the Chinese military, with Hyuga. Hyuga-class displacement: 19,...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1407,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1407\nTitle: \"What changes have been made to the Liaoning aircraft carrier compared to its Russian \"sister ship\" - Naval Forum - Tiexue Community\"\nSummary: \"The mast replaces the large cylinder, and the aircraft carrier island becomes more refreshing. The Liaoning aircraft carrier was converted from the unfinished Varyag aircraft carrier of the former Soviet Union. The Varyag is of the same level as the Russian Kuznetsov aircraft carrier in terms of design. Therefore, from the general appearance of the aircraft carrier...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1408,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1408\nTitle: \"Which one of the Japanese aircraft carrier \"Izumo\" and the Chinese aircraft carrier \"Liaoning\" has stronger combat capability? -...\"\nSummary: \"Liaoning is just an experimental platform. It is unfair to compare it with mature weapons. The Japanese ship is the second one, and Liaoning is still under test. The carrier-based aircraft are still under test, and they take off without bombs, so it will take some time to form combat effectiveness. The Japanese...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1409,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1409\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1410,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1410\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1411,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1411\nTitle: \"15 essential games for training_Icebreaker games_Party games\"\nSummary: \"Suitable for playing in a relaxed leisure time. 3 Coin combination game purpose: to break the ice, look at the number of men and women to define the price of men and women, for example, if there are more boys, it is defined as 50 cents, and if there are fewer girls, it is defined as 1 yuan, and then everyone forms a circle and follows a...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1412,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1412\nTitle: \"15 essential games for training_Icebreaker games_Party games\"\nSummary: \"Suitable for playing in a relaxed leisure time. 3 Coin combination game purpose: to break the ice, look at the number of men and women to define the price of men and women, for example, if there are more boys, it is defined as 50 cents, and if there are fewer girls, it is defined as 1 yuan, and then everyone forms a circle and follows a...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1413,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1413\nTitle: \"New employee orientation game\"\nSummary: \"In March 2015, XX Company conducted a one-week induction training for new employees, including skills training and a lot of game training related to teamwork. I believe that the new colleagues have gained a lot from the one-day learning. I hope that in the future work...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1414,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1414\nTitle: \"Training Ice Breaker Game\"\nSummary: \"To avoid this outcome, consider the following: \u00b7 Adjust the length to suit the case. A 2- to 5-day training can teach complex icebreakers, while a quick exercise of a few minutes can be appropriate for a one-day session. \u00b7 Know your audience, not all...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.21 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1415,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"A 7-day tour guide to Beijing and its surrounding areas\"\nQuery Dwell Time: 72.56 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1415\nTitle: \"Beijing 7-Day Tour Guide\"\nSummary: \"It is unique in Beijing. I won't say more about these advantages. I mainly want to talk about the disadvantages, which is in line with materialism... Hutong Market Tour Celebrity Former Residences \u2192 Lao She Teahouse \u2192 Donghuamen Night Market \u2192 Wangfujing Street Beijing Quick Guide Beijing Scenic Spots...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1416,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1416\nTitle: \"The best place to go around Beijing in July is definitely here! - Mafengwo\"\nSummary: \"July is the hottest month of the year in Beijing. It's time to find a good place to escape the heat. The best place to go in July is Arxan! Arxan is a border town in the hinterland of the Greater Khingan Range forest area. It is famous for...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.36 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1417,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1417\nTitle: \"Beijing surrounding tours_Beijing surrounding self-driving tour guide_Beijing surrounding one-day tours_Beijing surrounding tourism_Beijing...\"\nSummary: \"A complete guide to self-driving tours around Beijing, collecting the most interesting tourist attractions around Beijing, whether it is a one-day or two-day tour, a leisure farm stay, or a tourist attraction, as long as it is relevant information about tours around Beijing, it is all here.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1418,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1418\nTitle: \"Detailed guide for 6-7 days self-guided tour in Beijing_Beijing self-guided tour guide\"\nSummary: \"798 Art District, No. 4 Jiuxianqiao Road, Chaoyang District, Beijing 2) Contact: 010-59789861 3) Time: 10:00-17:00 4) Transportation: There are many buses around 798, such as 401, 402, 403, 405, 688, 909, 988, etc. The location...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.38 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":1}
-{"id":1419,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1419\nTitle: \"[Beijing 7-day tour around the tour]_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"Travel Exchange is the largest travel agency platform in China. It provides you with the most comprehensive travel routes around Beijing for seven days. You can choose from a variety of travel methods such as group tours, self-guided tours, and local tours. Travel Exchange saves you time, effort, and money. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.58 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1420,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1420\nTitle: \"[Beijing 7-day tour around the tour]_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"Travel Exchange is the largest travel agency platform in China. It provides you with the most comprehensive travel routes around Beijing for seven days. You can choose from a variety of travel methods such as group tours, self-guided tours, and local tours. Travel Exchange saves you time, effort, and money. ...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1421,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1421\nTitle: \"7-day group tour from Beijing to surrounding areas_2017 Beijing to surrounding Yellow River Hukou Waterfall tour route...\"\nSummary: \"7-day tour from Beijing to surrounding areas, Yellow River Hukou Waterfall Departure city Departure date Product level You have selected Found 2 results in total Product type: Group tourx Trip duration: 7 daysx Theme recommendation: Yellow River Hukou Waterfallx Clear all Seniors only...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 124.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1422,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Beijing's surrounding areas in the free travel guide\"\nQuery Dwell Time: 29.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1422\nTitle: \"The best self-driving tour routes around Beijing\"\nSummary: \"The sun is shining outside and autumn is in full swing. Don't miss this great opportunity. Take your car and go on a self-driving tour. The following is a guide to the best self-driving tour routes around Beijing compiled by the editor of 100% Network. I hope it can help you. Beijing surrounding...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1423,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-day free travel guide around Beijing\"\nQuery Dwell Time: 29.73 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1423\nTitle: \"Detailed guide for 6-7 days self-guided tour in Beijing_Lvmama Beijing travel guide\"\nSummary: \"798 Art District, No. 4 Jiuxianqiao Road, Chaoyang District, Beijing 2) Contact: 010-59789861 3) Time: 10:00-17:00 4) Transportation: There are many buses around 798, such as 401, 402, 403, 405, 688, 909, 988, etc. The subway can be taken east...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1424,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-day guide to Beijing and surrounding areas\"\nQuery Dwell Time: 78.62 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1424\nTitle: \"[Beijing 7-day tour around the tour]_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"Travel Exchange is the largest travel agency platform in China. It provides you with the most comprehensive travel routes around Beijing for seven days. You can choose from a variety of travel methods such as group tours, self-guided tours, and local tours. Travel Exchange saves you time, effort, and money. ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1425,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-day guide to Beijing and surrounding areas\"\nQuery Dwell Time: 78.62 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1425\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to the surrounding areas in 7 days | Booking_Beijing surrounding areas...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tours, how much it costs for all 7-day routes from Beijing to the surrounding areas, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1426,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University buys fixed-gear aircraft\"\nQuery Dwell Time: 33.0 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1426\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1427,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 52.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1427\nTitle: \"[Second-hand ordinary bicycle transfer_New ordinary bicycle transfer information] - ...\"\nSummary: \"Tsinghua University Ordinary Bicycle \/ Other \/ December 4 2 pictures 168 yuan Fei Ge women's 26-inch bicycle, easy to ride, with frame and lock Haidian - Tsinghua University Ordinary Bicycle \/ Fei Ge \/ December 4 7 pictures 100 yuan Jiarun sells a lot of sheds, communities, schools, etc.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1428,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 52.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1428\nTitle: \"Beijing second-hand bicycle information - Hangzhou E City\"\nSummary: \"I bought this bike second-hand in Tsinghua University in early 2014. I rode it for nearly a year. Now I am going back to the south and want to get rid of it... I bought this bike in a specialty store this summer for 600 yuan. I have hardly ridden it and it has been locked downstairs. The hostess doll...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1429,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Dead fly quotation\"\nQuery Dwell Time: 52.16 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1429\nTitle: \"\u3010Fixed Gear Vehicle\u3011-Fixed Gear Vehicle Price|Manufacturer-Yellow Pages 88.com\"\nSummary: \"Yellow Pages 88 provides the latest fixed gear vehicle supply information in 2017, showing fixed gear vehicle quotes, prices, manufacturers and pictures. You can find fixed gear vehicle manufacturers and suppliers and purchase wholesale fixed gear vehicles on Yellow Pages 88.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1430,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Dead fly quotation\"\nQuery Dwell Time: 52.16 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1430\nTitle: \"[Fixed Gear Fixed Gear Price]_Fixed Gear Fixed Gear Wholesale\/Purchase Quote_How much is a fixed gear fixed gear - China...\"\nSummary: \"China Net Store provides you with the latest fixed gear bike prices, fixed gear bike quotation information, fixed gear bike price trends, including suppliers' main products, pictures, sales and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1431,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Bicycle Shop\"\nQuery Dwell Time: 27.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1431\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"Address: Beijing Haidian District Phone No, I will add Category: Shop Traffic Guide Feige Bicycle Tsinghua West Gate Bus Station Nearby: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1432,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Bicycle Shop\"\nQuery Dwell Time: 27.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1432\nTitle: \"Beijing Agui Bicycle Store Qinghua East Road Branch\"\nSummary: \"This is the introduction page of Beijing Agui Bicycle Store Qinghua East Road Branch in Shunqi.com Beijing Yellow Pages. It is located at No. 20-2, Xueyuan Road, Haidian District, Beijing (Pingfang). The business scope is prohibited by laws and regulations, and it is not allowed to operate. The business that should be approved has not been approved...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1433,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 87.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions on international flights\"\nQuery Dwell Time: 80.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1433\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1434,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1434\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? I have swollen body, high blood pressure and faster heart rate. I have quit smoking for more than ten days. Is this normal? If I continue smoking, will it have any effect on my body? As long as the method is suitable and has no side effects, the following method is for reference only. Set a date to quit smoking. And...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 153.57 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1435,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1435\nTitle: \"[The pros and cons of quitting smoking]_Quitting smoking_Benefits_Adverse consequences_Precautions-Public Health Network\"\nSummary: \"When you decide to quit smoking, you should be strict with yourself, such as not smoking in the bedroom or living room, because smoking will affect your family. This should be helpful for you to quit smoking! If it really doesn't work, divert your attention when you see others smoking,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1436,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1436\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.16 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":1}
-{"id":1437,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1437\nTitle: \"Methods and effects of quitting smoking - Good Doctor Online\"\nSummary: \"When you have a cold or digestive tract disease, you often have a natural physiological aversion to cigarettes, and quitting smoking is very effective at this time. 3. Fear method: Learn more about the harmful effects of smoking through books, broadcasts and materials, so as to generate fear and strengthen the psychological and emotional motivation to quit smoking.\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1438,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1438\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us the actual use of Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located on the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 54.04 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1439,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1439\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.76 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1440,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1440\nTitle: \"Projected interfaces: Google Glass' latest feature\"\nSummary: \"A new Google patent adds a new feature to their Google Glass. Google recently installed a laser projection device on their head-mounted computer glasses. With this feature, Google Glass can project an operating interface on a nearby flat surface...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1441,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1441\nTitle: \"The top ten functions of Google Glass (photos) Hanlang Glasses will reveal the secrets of the glasses that cost more than 11,300 yuan...\"\nSummary: \"This is the most controversial feature of Google Glass: taking photos. It has a very strong sense of augmented reality, but in many cases it may be met with cold stares and protests from others. In fact, the photo taking effect of Google Glass is very average, even worse than some low-end mobile phones. In addition...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.04 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1442,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1442\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1443,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1443\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1444,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1444\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.59 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":1445,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1445\nTitle: \"How much does Google Glass cost? Google Glass may cost less than $1,500 - Green Tea Article Center\"\nSummary: \"How much does Google Glass cost? Many friends are concerned about the price of Google Glass. Today, Green Tea Editor will tell you how much Google Glass costs. Let's take a look! How much does Google Glass cost? Google Glass price exposed American technology website...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.22 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1446,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1446\nTitle: \"Google Glass for sale Google Glass price - Zhiqu.com\"\nSummary: \"Currently, this pair of glasses is available for sale at the merchant \"Jindong Huihuang\" at a price of 18,500 yuan. If you need it, you may contact the merchant. Picture: Google Glass first started pre-sale at the I\/O conference in 2012, when some...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.58 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1447,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1447\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1448,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 89.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1448\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"At the same time, press the button on the front of the base to synchronize, so that your Google Glass can be used wirelessly. Attachment: Please make sure that the mouse is at a suitable distance from the power base and there is no strong electromagnetic interference nearby. (2017-11-...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.05 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1449,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 89.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1449\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.57 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":1450,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in mainland hong kong\"\nQuery Dwell Time: 116.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1450\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The price of iPhone 6 in China is higher than that in Hong Kong by more than 800 yuan and 1,000 yuan respectively. Yesterday, the reporter visited Apple's official website and saw that iPhone 6 and iPhone 6 Plus will start pre-sale on October 10 and will be officially released on October 17. The price of iPhone 6 in China is higher than that in Hong Kong by more than 800 yuan and 1,000 yuan respectively.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1451,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring an iPhone I bought from Hong Kong back to China?\"\nQuery Dwell Time: 116.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1451\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus in the mainland are more than 800 yuan and 1,000 yuan higher than those in Hong Kong. Yesterday, the reporter logged into Apple's official website and saw that iPhone 6 and iPhone 6 Plus will start pre-sale on October 10 and will be officially released on October 17. ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.1 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1452,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 brought back from Hong Kong\"\nQuery Dwell Time: 92.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1452\nTitle: \"If I bring an iPhone 6 bought in Hong Kong back to the mainland, will it be checked or confiscated by customs? - _New Knowledge Information\"\nSummary: \"Can I bring an iPhone 6 bought in Canada back to China for use? ...Hello, it needs to be unlocked when I return to China. My relative brought it back from the United States, and I had to unlock it before I could use it. Can I bring an iPhone 6 bought from Hong Kong back to China without unpacking it? ...Yes, without unpacking it...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1453,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 brought back from Hong Kong\"\nQuery Dwell Time: 92.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1453\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? There is a saying that if the electronic products in Hong Kong are worth more than 5,000 yuan and are not opened, they will be subject to a 20% tariff, which means that if you bring an iPhone 6, you will have to pay the tax. If you buy an iPhone 6 and open the box, it will be said that it is your own...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1454,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.41 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1454\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.06 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1455,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.41 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1455\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"My tip: This method is suitable for friends with good financial conditions. The main places selling iPhones in Hong Kong are Broadway and Fortress, but... Online booking If you want to order on the official website in Hong Kong, you must first have a dual-currency credit card (visa,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.4 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1456,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.41 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1456\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.3 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1457,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do mainland operators support the Hong Kong version of iPhone 6?\"\nQuery Dwell Time: 48.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1457\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - The domestic price is 5288 yuan, and it is not yet confirmed whether the 5.5-inch model will be released. According to official confirmation from China Mobile, the licensed iPhone 6 purchased in mainland China and the Hong Kong version purchased in Hong Kong both support China Mobile's 4G network (...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1458,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 27.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1458\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.74 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1459,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 35.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1459\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.83 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":1460,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 35.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1460\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.28 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":1461,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 82.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1461\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"(400 yuan, 40 times, valid for 2 months. I used to buy 300 yuan for 30 times and valid for 3 months, but now it is no longer available). If you don\u2019t use it too often, you can buy a 3-month season pass issued by the Haidian Swimming Pool, which is slightly more expensive than the one at Tsinghua University\u2026\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1462,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 82.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1462\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Beijing swimming pool rankings Phone: Area: Wudaokou, Haidian District, Beijing Address: No. 30 Shuangqing Road, Tsinghua University (near Wudaokou) People are talking about Jianfeng Brick Machine Tianjin Jianfeng Company is a professional manufacturer of unfired brick machines. If you need, please contact...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1463,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 51.34 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1463\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.98 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1464,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning displacement\"\nQuery Dwell Time: 57.94 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1464\nTitle: \"What is the displacement of the Chinese Liaoning?\"\nSummary: \"Best answer: The Liaoning aircraft carrier is 304.5 meters long and has a full load displacement of 67,500 tons. It has an angled flight deck and a 12-degree ski-jump deck at the bow, so aircraft can take off directly. It is officially equipped with the Su-33 twin-engine combat aircraft...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1465,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning speed\"\nQuery Dwell Time: 42.2 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1465\nTitle: \"Liaoning aircraft carrier spends one day and one night in the Taiwan Strait. Calculate the speed and you will understand_Military_China.com\"\nSummary: \"January 12, 2017 - The average speed is less than 12 knots. Generally speaking, the maximum speed of surface combat ships is around 26-30 knots. However, if they sail at the maximum speed, the fuel consumption is too high, so they usually maintain an economic speed of around 20 knots. This...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1466,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1466\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":1467,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1467\nTitle: \"\"The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895\": Historical Imagination of the Aircraft Carrier Era (The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895) Film Review\"\nSummary: \"At the end of September 2012, the Liaoning aircraft carrier was officially delivered to the navy, marking a new stage for my country's naval power. The face of the Liaoning is always a mystery to most Chinese people. This film directed by Liu Quanwei...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.91 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":1468,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1468\nTitle: \"In November 2012, my country's first aircraft carrier \"Liaoning\" successfully completed its maiden voyage... - Junior High School History - Jingyou.com\"\nSummary: \"Application APP Junior High School History Primary School My Paper Test Question Basket Recommended Paper Campus Number Local Quality Education Institutions (2017 Spring \u2022 Hedong District School-level Final Exam) In November 2012, the maiden voyage of my country's first aircraft carrier \"Liaoning\" was successful, marking the beginning of the Chinese Navy...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1469,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1469\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.32 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1470,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1470\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The significance of the construction of the Liaoning aircraft carrier Liaoning aircraft carrier, referred to as \"Liaoning\", hull number 16, is the Chinese people's... China's naval strategy for offshore defense has not changed. The Chinese people's navy has become stronger. The significance of the construction of the Liaoning aircraft carrier... Introduction to the Liaoning and...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 58.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1471,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1471\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1472,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1472\nTitle: \"China Revealing the great strategic significance of Liaoning's stationing in Qingdao How much do you give as gifts in a year? Liaoning Department...\"\nSummary: \"WriterFrom:220.166.37.* Revealing the strategic significance of Liaoning stationed in Qingdao How much do you give as gifts in a year? Some farmers in the mountainous areas of Liaoning have an annual income of 20,000 yuan and give gifts of 9,600 yuan a year. As we all know, the construction of China's aircraft carrier home port is not only in Qingdao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1473,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1473\nTitle: \"Aircraft carriers play an important role and have strategic significance in modern naval warfare. On the morning of September 25, 2012,...\"\nSummary: \"Aircraft carriers play an important role and have strategic significance in modern naval warfare. On the morning of September 25, 2012, China's first aircraft carrier, the Liaoning, was officially handed over and commissioned. As shown in the figure, the ship is 302 meters long and 70.5 meters wide. The draft depth when fully loaded (water surface to the bottom of the aircraft carrier) is...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.43 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1474,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1474\nTitle: \"The meaning of Liaoning aircraft carrier, the meaning of Easter, the meaning of life, Liaoning Liaoning decoration start report - ...\"\nSummary: \"Traditional Chinese Research Study Report Aircraft Carrier (2014-2-11 12:15:49) If you have any relevant work summary, year-end summary and articles related to the significance of Liaoning aircraft carrier, you can submit your manuscript to us in time. Once your material is adopted,...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1475,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1475\nTitle: \"Compared with the Liaoning aircraft carrier, what are the advantages and disadvantages of the Vikrant aircraft carrier? - Zhihu\"\nSummary: \"Therefore, we can believe that the performance of an aircraft carrier is mainly determined by the strength of its carrier-based aircraft system. The strength of the carrier-based aircraft system can be reflected in the following aspects: 1. Is the aircraft carrier equipped with advanced carrier-based aircraft? 2. Is the aircraft carrier equipped with...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 54.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1476,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1476\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.7 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1477,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1477\nTitle: \"Comment: What are the improvements of the domestically-made aircraft carrier that is about to be launched compared with the Liaoning?\"\nSummary: \"The Chinese must redouble their efforts to build the world's most powerful and invincible aircraft carrier to safeguard human peace and bring happiness to mankind. There is no doubt that the Liaoning has a certain combat capability. Of course, it is unrealistic to let it go far away from home to fight with you Americans. However, for...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.65 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":1478,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1478\nTitle: \"What changes have been made to the Liaoning aircraft carrier compared to its Russian \"sister ship\" - Naval Forum - Tiexue Community\"\nSummary: \"The mast replaces the cylinder, and the carrier island becomes more clean. The Liaoning aircraft carrier was converted from the unfinished Varyag aircraft carrier of the former Soviet Union. The Varyag is of the same level as the Russian Kuznetsov aircraft carrier in terms of design. Therefore, from the general appearance of the aircraft carrier... However, by carefully comparing the photos of the Liaoning and Kuznetsov, it is not difficult to find that the Liaoning's island does not have the Kuznetsov-like...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.24 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":1479,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1479\nTitle: \"Aircraft carriers are indeed giants. The deck of Liaoning compares with the Nimitz class of the United States_Sohu Others_Sohu.com\"\nSummary: \"January 15, 2017 - Statement: This article was written by an author who is registered on Sohu.com. Except for Sohu official accounts, the views only represent the author himself and do not represent the position of Sohu.\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1480,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1480\nTitle: \"Which one of the Japanese aircraft carrier \"Izumo\" and the Chinese aircraft carrier \"Liaoning\" has stronger combat capability? -...\"\nSummary: \"Liaoning is just an experimental platform. It is unfair to compare it with mature weapons. The Japanese ship is the second one, and Liaoning is still under test. The carrier-based aircraft are still under test, and they take off without bombs, so it will take some time to form combat effectiveness. The Japanese...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1481,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Training Icebreaker Games\"\nQuery Dwell Time: 188.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1481\nTitle: \"15 essential games for training_Icebreaker games_Party games\"\nSummary: \"Inserting games into training can be entertaining, experiential, participatory, lively, and ice-breaking, etc. Here are some games for your reference! 1 Carrot squat game purpose: When students are sleepy at noon or in the afternoon, the activity...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1482,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Training Icebreaker Games\"\nQuery Dwell Time: 188.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1482\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of participants: 4 people per group Time: 15 minutes Venue: unlimited Props: none Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Used to liven up the atmosphere before training and meetings. Used under great pressure...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1483,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Training Icebreaker Games\"\nQuery Dwell Time: 188.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1483\nTitle: \"Training Ice Breaking Games_Chinese Text Library\"\nSummary: \"Training Ice Breaking Games (13)_Higher Education_Education Zone. Including the methods and significance of ice breaking games 1. First meeting The first 3 minutes is the most important moment for you to leave a first impression on others. Similarly, before the training activity begins,...Training...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1484,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Team Ice Breaker Games\"\nQuery Dwell Time: 112.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1484\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Please ask the team that gets up the fastest to talk about their feelings, and summarize their feelings after the game based on what they said. Group together to conquer the world A) Let... Hunters hunt rabbits Game type: ice-breaking game Suitable for number of people: unlimited Game props: none Game steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1485,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1485\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"During the three-day May Day holiday, you don\u2019t want to stay at home, nor do you want to go too far. So why not travel around Beijing? What are the fun places around Beijing during the May Day holiday? What are the good places to travel around Beijing during the May Day holiday? Beijing Week of May Day...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1486,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1486\nTitle: \"Where to go in Beijing during the May Day holiday, 2017 Beijing travel guide - Mafengwo\"\nSummary: \"Unconsciously, the May Day holiday is coming. You must be exhausted after working for so many days! Where to go in Beijing for the May Day holiday? Mafengwo editor will tell you about the May Day travel guide to Beijing. Where to go in Beijing for the May Day holiday? You can...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1487,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1487\nTitle: \"Where to go in Beijing during the May Day holiday? What are the best places to visit in Beijing during the May Day holiday in 2017? _Tourism Q&A_Tourism Internet\"\nSummary: \"I want to go out with my classmates and have fun. It's fun to have more people. I wonder if there are any travel friends who have been here before and can recommend some experiences. Where to go in Beijing during the May Day holiday? What are the best places to visit in Beijing during the May Day holiday in 2017? ...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1488,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1488\nTitle: \"Travel Guide for May Day in Beijing_Where to Go for Fun Travel in Beijing during May Day\"\nSummary: \"Xinxin Travel Network Travel Guide: Where to have fun in Beijing during the May Day holiday? Let me take you to take stock of the fun places in Beijing. In addition to the regular routes in Beijing such as the Summer Palace, the Great Wall, Tiananmen Square and the Forbidden City, I will focus on the flower-viewing routes in Beijing during the May Day holiday...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1489,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1489\nTitle: \"Beijing Tours during the May Day Holiday, 2017 Beijing Tours - Mafengwo\"\nSummary: \"The May Day holiday is just around the corner. Have you decided where to go? Don't stay at home and waste your precious time. Beijing friends may want to take a tour around the city to relax. So, what are the good places to go around Beijing during the May Day holiday?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1490,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1490\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"During the three-day May Day holiday, you don\u2019t want to stay at home, nor do you want to go too far. So why not travel around Beijing? What are the fun places around Beijing during the May Day holiday? What are the good places to travel around Beijing during the May Day holiday? Beijing Week of May Day...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1491,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Gold Coast\"\nQuery Dwell Time: 21.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1491\nTitle: \"Beijing to Gold Coast\"\nSummary: \"Self-driving tour from Beijing to Gold Coast, providing guides, routes, food, accommodation, free booking of Beidaihe accommodation, special hotel standard room from 100 yuan, special sea view hotel standard room from 120 yuan, special family hotel from 50 yuan, discounted tickets at least 50% off and other services...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1492,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 323.68 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Purchase\"\nQuery Dwell Time: 199.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1492\nTitle: \"Where are the fixed gear stores in Beijing? - Interactive Q&A on home decoration\"\nSummary: \"The Yiquan store in Lama Temple, the ORYX store in Daxing Hutong, and the one in Tsinghua West Gate or North Gate. I forgot whether I came there. There is a fixed gear park there. Physical stores in Beijing are generally quite expensive. For the living room window area, you can go to Nantong VIC fixed gear store, Nantong No. 1...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1493,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 323.68 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Purchase\"\nQuery Dwell Time: 199.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1493\nTitle: \"[A big offer for the start of the new semester] Peking University freshmen will never be cheated when buying a bicycle after reading this!\"\nSummary: \"Generally speaking, except for some professional bike shops around Tsinghua University (such as the Fixed Gear Park), the quality of similar fixed gear bikes sold in the vicinity of Peking University is not up to standard, and it is not recommended to buy them. In fact, the real fixed gear bike players, their mounts are expensive...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 95.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1494,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 323.68 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 45.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1494\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.43 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":1495,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1495\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"Hope this helps! 2017 International Flight Baggage Rules Air China introduces a new policy of free checked baggage! After that, you can take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (not...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1496,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1496\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.01 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":1497,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1497\nTitle: \"International flight baggage regulations doc download_iAsk shared document\"\nSummary: \"Introduction: This document is \"International Flight Baggage Regulations doc\", which can be applied to the field of higher education. The subject content includes international flight baggage regulations, carry-on baggage restrictions, and taking international flights: the total weight of hand luggage in general...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 77.33 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":1498,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1498\nTitle: \"Are there any requirements for luggage that can be brought on board international flights? - Mafengwo\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.88 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":1}
-{"id":1499,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1499\nTitle: \"International flight baggage regulations doc download_iAsk shared document\"\nSummary: \"Introduction: This document is \"International Flight Baggage Regulations doc\", which can be applied to the field of higher education. The subject content includes international flight baggage regulations, carry-on baggage restrictions, and taking international flights: the total weight of hand luggage in general...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 47.84 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":1500,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 76.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1500\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 43.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1501,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 245.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking benefits side effects\"\nQuery Dwell Time: 236.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1501\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? The body is swollen, blood pressure is high, and the heartbeat is fast. I have quit smoking for more than ten days. Is this normal? If I continue to... What foods are good for the body? The effects of quitting smoking on the body, and how to avoid these effects! Condition analysis:...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 75.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1502,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 245.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking benefits side effects\"\nQuery Dwell Time: 236.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1502\nTitle: \"Is it really difficult to quit smoking: [1] The harm of smoking and the benefits of quitting smoking_The most authentic experience sharing_Health...\"\nSummary: \"Teenagers are in the growth and development period, their physiological systems and organs are not yet mature, and their resistance to the external environment is weaker than that of adults. Smoking will definitely damage the normal growth of the body, so quitting smoking in time is good for the body, and you must not be careless. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.78 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1503,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 245.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking benefits side effects\"\nQuery Dwell Time: 236.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1503\nTitle: \"The harms of smoking and the benefits of quitting smoking\"\nSummary: \"\"The Harms of Smoking and the Benefits of Quitting Smoking\" was published by Practical Information Network. The main content is: According to scientists' years of experiments, smokers' organs will undergo a series of beneficial changes after quitting smoking.\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 67.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1504,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 185.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 136.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1504\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1505,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 185.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 136.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1505\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.66 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1506,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 185.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 136.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1506\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.56 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1507,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 203.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 43.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1507\nTitle: \"How much is the iPhone 6 Hong Kong version now? - Apple iPhone 6 (all network compatible) - ZOL Q&A Hall\"\nSummary: \"The latest price of iPhone 6 in Hong Kong Cyber \u200b\u200bCity Apple Store is 16G=4488 yuan 64G=5288 yuan 128G=5888 yuan (Hong Kong version). Cancel Comment ace09 Special Expert The current price of Hong Kong version is about 4500 yuan. In fact, it is estimated in Huaqiangbei...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1508,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 203.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase matters\"\nQuery Dwell Time: 105.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1508\nTitle: \"I will go to Hong Kong on October 24th and want to bring two iPhone 6s back. Please help me with the purchase tips and precautions. - Asia...\"\nSummary: \"Where are you from? I will go to Hong Kong on the 28th and return to Hebei on the evening of the 30th. I want to ask if the store is open for sale now. I want to buy an iPhone 6 Plus 16G. Reply to Yating: Guangzhou. Reply to Yating: Make an appointment online at 8 o'clock every morning. The appointment is successful (need to use...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1509,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 203.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase matters\"\nQuery Dwell Time: 105.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1509\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - About RMB 5691 for 128G version: iPhone 6 is about RMB 5691\/iPhone 6 Plus is about RMB 6404. But there are many things to note when buying an iPhone in Hong Kong: The first point is what kind of store to choose...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 67.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1510,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 45.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1510\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.5 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":1511,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chenming Swimming Pool Ticket Price\"\nQuery Dwell Time: 116.3 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1511\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) - 3 pictures - Beijing Sports and Fitness - Dianping.com\"\nSummary: \"Uploaded by Dianping.com netizen Yefenglaicu, 3 of the Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch).\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1512,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Data\"\nQuery Dwell Time: 61.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1512\nTitle: \"US media released the ranking of the world's top ten aircraft carriers. my country's Liaoning aircraft carrier ranks fourth in combat power | Baidu Big Data Engine - Search...\"\nSummary: \"April 25, 2014 - Baidu released the world's first open big data engine, envisioning a future life driven by big data; US media released the ranking of the world's top ten aircraft carriers, and my country's Liaoning aircraft carrier ranked fourth in combat power; the National Children's Vaccination Promotion Day is coming, how to...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1513,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 132.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1513\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"According to Hong Kong media reports, military sources revealed that due to problems with parts that need to be repaired, the aircraft carrier will not conduct internal water trials as originally scheduled on July 1. \"This is China's first aircraft carrier, and it is normal to encounter some difficulties, so we...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 117.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1514,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 146.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1514\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.96 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1515,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 58.93 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1515\nTitle: \"Liaoning and Vikramaditya, which one is more powerful? - Zhihu\"\nSummary: \"India can basically be considered to have an all-Russian weapon system. Except for the hull, the Liaoning is basically China's own weapons... The crushing of the entire system is the fundamental. It is not determined by the pros and cons of a certain weapon. So, just because the Indians like to play...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1516,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 325.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 201.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1516\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 38.42 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":1517,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 325.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 201.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1517\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"A complete collection of indoor and outdoor group training games for icebreakers 1. Bundling to pass - (Applicable to: team collaboration) Brief description: Complete several tasks by being tied together Number of people: No limit on venue: No limit on props: Rope or other things that can be tied Something for everyone...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1518,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 325.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 101.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1518\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1519,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 55.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1519\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1520,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Water Town\"\nQuery Dwell Time: 223.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1520\nTitle: \"Gubei Water Town Tag List - Sohu Travel\"\nSummary: \"September 3, 2017 - The most popular tourist town in the past two years is Gubei Water Town in the suburbs of Beijing. Gubei Water Town is a respectable project in the tourism industry. It is an \"ancient town\" built from scratch and is famous in Beijing, Tianjin, Hebei, and even Jiangsu, Zhejiang, and Shanghai as the \"starry sky town at the foot of the Great Wall\"...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 83.11 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1521,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Water Town\"\nQuery Dwell Time: 223.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1521\nTitle: \"Gubei Water Town-Capital Window-Beijing Municipal Government Portal\"\nSummary: \"Gubei Water Town, with a history of thousands of years, is simple, elegant and picturesque. The rows of houses, the old streets with bluestone slabs and the long alleys all show the style of the ancient town in the Republic of China in the north. The water town is densely covered with rivers, and the ancient Tanghe River tributaries linger around it...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1522,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Water Town\"\nQuery Dwell Time: 223.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1522\nTitle: \"Gubei Water Town Official Website\"\nSummary: \"Gubei Water Town is a comprehensive leisure international tourist resort destination that integrates sightseeing, leisure, business exhibitions, creative culture and other tourism formats. It has first-class services and facilities, and is highly participatory and experiential. The resort has 430,000 square meters...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 47.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1523,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Accommodation\"\nQuery Dwell Time: 21.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1523\nTitle: \"Gubei Water Town Travel Accommodation\"\nSummary: \"Introduction to accommodation in Gubei Water Town: Currently, the Gubei Water Town scenic area has opened Water Town Hotel, Wuzhenhui Boutique Hotel, Shushe Hotel and Gubei B&B (Baqi Inn, Yanmen Inn, Biaoju Inn, Liyuan Inn, Wo...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.44 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1524,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 55.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1524\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park * Required fields are required. China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1525,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 55.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1525\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.86 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":1526,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 55.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1526\nTitle: \"Businesses near Makara Fixed Gear Park - Beijing - Dianping.com\"\nSummary: \"|In the alley 500 meters north of the west gate of Tsinghua University in Wudaokou Cafe |Inside Tsinghua University, Haidian District, near Chunyuan 1911 Coffee! Only 48.8 yuan! A coffee and dessert set worth 70 yuan, free WiFi is provided. 1911 Coffee! Only 148.8 yuan! Worth 242 yuan...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1527,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 111.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1527\nTitle: \"Fixed Gear Park Makara Store has moved_Fixed Gear Park Makara Bar_Baidu Post Bar\"\nSummary: \"Fixed Gear Park Makara has now moved to Taihu Road and Huizhou Avenue, 300 meters east: Take: 145 133 158 41 41 air-conditioned to Xiawei Contact number: 18655106781 QQ group number: 155145265 Owner QQ: 281119406\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1528,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 111.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1528\nTitle: \"Makara Fixed Gear Park: \"The entry-level fixed gear for beginners is still more than 1,500 yuan, and they earn too much...\"\nSummary: \"Comments from the Fixed Gear Club on Makara Fixed Gear Park: The entry-level fixed gear bikes for beginners cost more than 1,500 yuan. They make too much money. I built one for them: aluminum alloy frame, Jiuyu bearing hub, olive chain, Lesk pressure plate for only 2,200 yuan. The quality is very good....\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1529,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 182.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1529\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.2 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":1530,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 182.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1530\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 84.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1531,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 182.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1531\nTitle: \"Entry-level fixed gear bike prices\"\nSummary: \"So the overall price of small fixed gear is not as cheap as we imagined, but it is not exaggerated either. It is usually the same as the same... Kunming Fixed Gear - How much does a fixed gear bicycle cost? How much is a fixed gear bicycle suitable for beginners?\"\nRank: 14\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1532,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What to look out for when buying a fixed gear bike\"\nQuery Dwell Time: 88.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1532\nTitle: \"Fixed flight price\"\nSummary: \"Jason, the manager of @bike, used real examples to explain in detail the things to pay attention to when buying an entry-level fixed gear bike. Compared with the \"fixed gear\" that is often sold on the market for less than 1,000 yuan, especially those that can be bought for as low as 200 or 300 yuan and look the same as fixed gear...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 75.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1533,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International Flight Baggage\"\nQuery Dwell Time: 135.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1533\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1534,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International Flight Baggage\"\nQuery Dwell Time: 135.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1534\nTitle: \"International Flight Baggage Information\"\nSummary: \"People generally need to carry a lot of luggage when taking international flights, and different airlines have different regulations on luggage. Therefore, it is necessary to check the relevant regulations when booking tickets and preparing luggage, especially the number of pieces of luggage, size, etc.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1535,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 320.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1535\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 257.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1536,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 320.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1536\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"There are 5 general requirements for checked baggage on international flights: Liquids can be checked in, and always... Alcoholic beverages must be checked in. 6... What are the regulations for checked liquids on airplanes? : Hello, there are no special regulations for checked liquids, one...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1537,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 320.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1537\nTitle: \"Air China Baggage Check-in Standards\"\nSummary: \"Air China implements piece-rate checked baggage rules on international and regional routes. 1. International and regional routes: Each piece of ordinary baggage... For tickets purchased from Air China for interline or code-share flights with U.S. and Canadian carriers, you will be charged a fee on the actual carrier...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 23.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1538,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 109.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1538\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.7 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1539,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 109.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1539\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many ways to quit smoking, and the following are some recommended. Some patients experience phlegm and dry throat after quitting smoking. A large number of clinical research results have confirmed that the more obvious this abnormal feeling is after treatment, the more...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.16 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1540,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1540\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1541,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1541\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.64 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":1542,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1542\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.73 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":1543,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 67.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1543\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.66 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1544,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 67.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1544\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1545,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Eyes\"\nQuery Dwell Time: 113.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1545\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1546,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Eyes\"\nQuery Dwell Time: 113.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1546\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 35.44 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1547,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Eyes\"\nQuery Dwell Time: 113.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1547\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1548,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 60.57 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1548\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - The much hyped Google Glass is finally available for sale. Google announced that it will start a one-day sale on April 15, with a price of $1,500 (about 9,334 yuan), which is more than 10,000 yuan after tax...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.74 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1549,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 60.57 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1549\nTitle: \"Google Glass is said to cost 10 times more than its original price. Google Glass responded that its overall cost is high | Google Glass | Google | Wearable devices...\"\nSummary: \"May 15, 2014 - Google Glass costs $1,500, is it worth it? A report says that the production cost of Google Glass is only $152.47. Summary: Google announced on the 13th that it will start supplying Google Glass in the US market with a unit price of $1,500...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1550,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 206.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1550\nTitle: \"What functions does Xiaobai ask Google Glass for help? _Home life decoration | Yiqi.com decoration\"\nSummary: \"Hello, from what I understand, Google Glass has a lot of high-tech features, including Bluetooth, Wi-Fi, speakers, cameras, microphones, touch pads, and gyroscopes that help you detect tilt. And most importantly, a screen that's the same size as your finger...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.36 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1551,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 206.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1551\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 44.07 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":1552,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 206.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1552\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.26 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":1553,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 78.68 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1553\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.32 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1554,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 78.68 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1554\nTitle: \"Hong Kong iPhone 6 price rises to nearly 10,000 yuan - China News Service\"\nSummary: \"September 12, 2014 - Apple's new product launch has repeatedly disappointed mainland China's \"Apple fans\". The mainland has not changed its fate of missing out on the first launch, but the price of the Hong Kong version of the iPhone 6 has been hyped up to a sky-high price. There are reports that the Hong Kong version of the 16GB iPhone 6 has been sold by scalpers...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1555,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version China version\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1555\nTitle: \"What are the differences between the Hong Kong version of iPhone 6 and the national version? - What are the differences between the Hong Kong version of iPhone 6 and the national version? _Quick...\"\nSummary: \"The Hong Kong iPhone 6 is much cheaper. The main difference is...Which is better, the Hong Kong version or the Chinese version...They have the same functions, but the Hong Kong version cannot use China Telecom. It is about 800 cheaper, while the Chinese version can use all networks. Here is a reference for you: Apple iPhone 7, iPh...iphone6...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1556,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version China version\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1556\nTitle: \"500 yuan cheaper than the national version, iPhone6 \u200b\u200bHong Kong version is only 4600 yuan - Apple iPhone6 \u200b\u200b(all network compatible)_He...\"\nSummary: \"(Zhongguancun Online Anhui Market) iPhone 6 has been on the market for a long time. Due to the open supply of Hong Kong stocks some time ago, the price of iPhone 6 in mainland China and Hong Kong will definitely drop. The launch of the new iPhone is of great significance to Apple. Apple uses it to redefine...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.86 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1557,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Network\"\nQuery Dwell Time: 46.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1557\nTitle: \"Hong Kong version of iPhone 6 - Tubatu decoration Q&A\"\nSummary: \"The Hong Kong version of iPhone 6 cannot use telecom cards. The Hong Kong version of the naked unlocked public version, model is iPhone 6 (A1586), the hardware supports all network access, CDMA network hardware basic support, but because Hong Kong does not have CDMA operators, the default should be software...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1558,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong brings iPhone tariffs\"\nQuery Dwell Time: 71.13 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1558\nTitle: \"Is it considered smuggling to bring an iPhone from Hong Kong into the mainland? - Consultation Center - China Customs Lawyers Network\"\nSummary: \"I bought 30 iPhones from Hong Kong for my friend, each costing about 4,000 yuan. If I put them in a suitcase, will the customs check? ... [No.: 56442] Is it considered smuggling to bring iPhones from Hong Kong into the mainland?\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1559,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone purchase tariff\"\nQuery Dwell Time: 71.13 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1559\nTitle: \"How much customs duty do I have to pay when I bring my iPhone 4 back from Hong Kong? _iPhone question_...\"\nSummary: \"January 6, 2012 - Author: Drakedog Question: How much customs duty do I have to pay when I bring an iPhone 4 back from Hong Kong? . . . The editor recommends the answer: One machine is now 500, which has been halved. It used to be 1000.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.31 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1560,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong brings iPhone tariffs\"\nQuery Dwell Time: 71.13 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1560\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Follow Game Bus to get the latest game information anytime, anywhere Source: Internet Author: Anonymous Xia Ya Question: Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to the mainland? The editor recommends the answer: One or two are not charged,...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":1561,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone in Hong Kong\"\nQuery Dwell Time: 69.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1561\nTitle: \"Where can I buy an iPhone cheaper in Hong Kong? \ud83e\udd23 Thank you all - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy an iPhone cheaper in Hong Kong? \ud83e\udd23 Thank you all experts 595 views 0 people follow Follow Answer 4 answers [The questioner accepts] iPhones from regular channels are all sold at the same price, Apple stores have the most complete products and the best service...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1562,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone in Hong Kong\"\nQuery Dwell Time: 69.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1562\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1563,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 60.5 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1563\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.32 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1564,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University\"\nQuery Dwell Time: 60.5 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1564\nTitle: \"How to get to Tsinghua University Swimming Pool by car?\"\nSummary: \"Post number: 3 Page: Share to: Article topic: How to drive to Tsinghua University Swimming Pool? Jason Identity User Article Zodiac Pisces Points Level Nanmu (12) Sender: jason04 (jason), Message area: Swimming From...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.59 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":1565,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 111.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1565\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.48 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":1566,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 89.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1566\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1567,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 268.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 123.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1567\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.28 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1568,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 268.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Number of aircraft carriers on Liaoning\"\nQuery Dwell Time: 50.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1568\nTitle: \"Comparison of China and India's aircraft carriers: Liaoning has far more aircraft than India_Military Channel_Phoenix.com\"\nSummary: \"June 26, 2013 - The aircraft carrier has entered the final stage of exterior maintenance. The number of carrier-based aircraft far exceeds that of India. The Liaoning and the \"Vikramaditya\" aircraft carrier also use conventional power and are both products of the former Soviet Union. The former belongs to the \"Kuznetsov\"...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.07 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1569,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 268.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1569\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"Mr. Ma used the USS Midway to analyze the shortcomings of China's Liaoning aircraft carrier. His method is desirable, but his conclusion is biased. The questions raised by Mr. Ma can be summarized into two issues: one is the skills of air and ground crews...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1570,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 250.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 236.63 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1570\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 136.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1571,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 250.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 236.63 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1571\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Bundle up - (Applicable to: teamwork) Brief description: By being tied... At least ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1572,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 250.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 236.63 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1572\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":1573,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May 7 days of sightseeing around Beijing\"\nQuery Dwell Time: 78.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1573\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.5 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1574,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May 7 days of sightseeing around Beijing\"\nQuery Dwell Time: 78.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1574\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes make your trip more affordable and colorful Battle of Heroes Experience Real CS One-day Tour 158 yuan\/person Mulan Paddock Saihanba Park Ulan Butong...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1575,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings 7 Days\"\nQuery Dwell Time: 28.31 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1575\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to the surrounding areas in 7 days | Booking_Beijing surrounding areas...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tours, how much it costs for all 7-day routes from Beijing to the surrounding areas, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1576,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hebei travel, one week in May\"\nQuery Dwell Time: 33.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1576\nTitle: \"Don't miss these five classic attractions in Hebei in May\"\nSummary: \"The following five are the most representative attractions for you to visit around Beijing. Don't miss them. 1. Royal Gardens - Cheng... In May 1947, the Central Working Committee headed by Liu Shaoqi and Zhu De moved into Xibaipo in advance. The National...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1577,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shandong travel, one week in May\"\nQuery Dwell Time: 39.02 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1577\nTitle: \"The latest price list for traveling to Shandong in May 2017_Recommended routes to Shandong in May - Utour Travel\"\nSummary: \"Shandong tour in May Shandong group tour routes (departure in May) No. Group tour routes (199 eligible) Satisfaction Reviews Departure place F112396 View itinerary Yantai + Weihai + Dalian + Qingdao + Qufu + Tai'an + Jinan (Yantai to Jinan and back) Guang...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1578,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel in Shandong\"\nQuery Dwell Time: 30.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1578\nTitle: \"Top Ten Tourist Attractions in Shandong\"\nSummary: \"It is located in the southeast of Shandong Peninsula, bordering Qingdao to the west and the Yellow Sea to the southeast. It covers an area of \u200b\u200b386 square kilometers, with the peak of Laoshan, 1,133 meters above sea level. It is not only a famous Taoist mountain in China, but also a famous summer resort. The Laoshan Scenic Area includes Taiqing Palace, Taiping...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1579,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shandong Accommodation\"\nQuery Dwell Time: 35.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1579\nTitle: \"Shandong Accommodation-Ctrip Community\"\nSummary: \"I would like to ask about accommodation in Jinan, Qufu and Qingdao. The target is to find accommodation within 200 yuan, with clean environment and convenient transportation. In these three places, which area can easily find ideal accommodation? Thank you! Reply You can also enter 1000 words Submit Total 1 reply...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1580,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resorts\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1580\nTitle: \"Qingdao, Qingdao free travel, Mafengwo Qingdao free travel products - Mafengwo free travel\"\nSummary: \"3-5 days free travel from Shanghai to Qingdao (round-trip air tickets\/all kinds of popular hotels to choose from + free exquisite breakfast + 15KG luggage allowance + can... Download Mafengwo Liangpin Official Service Account Mafengwo Free Travel Subscription Account Salute to the Caribbean Pirates who advocate freedom! ...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1581,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1581\nTitle: \"Qingdao Guide Mafengwo\"\nSummary: \"Qingdao Guide Mafengwo Related Articles Liqu shares mobile applications related to Qingdao Guide Mafengwo. The editor recommends the latest information about Qingdao Guide Mafengwo for you. Qingdao Guide Mafengwo is an application pushed to you by Liqu Mobile App Store. Find Qingdao Guide Mafengwo...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1582,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1582\nTitle: \"[Qingdao Weather] Qingdao weather forecast for the week, Shandong Qingdao weather forecast - Mafengwo\"\nSummary: \"Qingdao Tourist Attractions >>More China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers 920,000 international hotels 21,000,000 real reviews 382,000,000 guide downloads Mafengwo...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1583,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1583\nTitle: \"Qingdao Sifang District-Qingdao Travel Guide-Mafengwo\"\nSummary: \"Mafengwo Sina Weibo Official Blog Mafengwo Renren Official Homepage Xitang Surrounding Travel Haoyijia Beef Noodles (Hangzhou Road Store) Tel: 0532-83723335 Address: No. 99, Hangzhou Road, Shibei District, Qingdao City Featured Tags: Sifang District Congee Shop Noodles Lian...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.53 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1584,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1584\nTitle: \"Mafengwo Shandong Qingdao Guide (Seventh Edition)\"\nSummary: \"Press Esc to exit full screen mode 2 Contribution value 4.2M Size You may also like Similar articles 13283 Collections 77356 People who like this article also like\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.01 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1585,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 25.89 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1585\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.08 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":1586,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Taobao\"\nQuery Dwell Time: 27.92 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1586\nTitle: \"How much does a fixed gear bike cost? [New Lion] Taobao Mall's hot-selling fixed gear bike brands\"\nSummary: \"BSBY_f005 fixed gear bicycle price, major Taobao malls are selling fashion brand fixed gear bicycles, the first brand of bicycles [Xin Teshi Bicycle, Xue Sheng, 136 0302 3434] various\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1587,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1587\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.93 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1588,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1588\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 43.41 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":1589,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1589\nTitle: \"Luminous fixed gear bicycle price\"\nSummary: \"The general cost of a fixed gear bike that costs more than 200 yuan is conservatively estimated to be around 150 yuan, plus a few dozen yuan for postage and a few dozen yuan for packaging... Now let's get to the point. Fixed gear bikes are recognized by everyone for their lightness, speed and convenience. For example, a mountain bike weighs...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1590,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1590\nTitle: \"Price of genuine fixed gear bicycle\"\nSummary: \"It's time for Japan to take the stage in the fixed gear bike market: Keirin is commonly known as a bicycle race on a track. This sport also has... The price of this brand is basically a bargain in the United States, but the product is still good. Recommended frame (but it is not mainstream in China...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1591,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Ximen Bicycle Shop Fixed Gear Bicycle\"\nQuery Dwell Time: 34.92 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1591\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1592,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 55.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1592\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Tips for beginners to learn fixed gear bicycles | Sichuan bicycle supplier detailed description BSBY_f010 bicycles First brand [Germany Xinteshi, Mr. Xue, mobile phone: 13603023434] Fixed gear is now loved by more and more young people...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1593,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 55.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1593\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1594,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1594\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 76.51 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":1595,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1595\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Since it is not a Star Alliance international flight, the same regulations do not apply. Japan Airlines' baggage regulations (JL) Regarding baggage restrictions: 1. Kilogram system: (Applicable to passengers traveling to Asia, Australia and Europe) (1) Checked...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1596,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1596\nTitle: \"Are there any requirements for luggage that can be brought on board international flights? - Mafengwo\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.3 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1597,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1597\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - International Flight Baggage Regulations: What are the latest international flight baggage regulations in 2017? Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to America and Europe...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1598,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Checked baggage restrictions\"\nQuery Dwell Time: 121.21 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1598\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 91.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1599,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 61.18 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1599\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1600,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 61.18 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1600\nTitle: \"Carry-on baggage requirements for Air China international flights - Mafengwo\"\nSummary: \"Mafengwo Q&A > Air China international flight carry-on baggage requirements I will be going to exchange and study in July this year. The requirements I found online are that the luggage must be within 5kg and the sum of the length, width and height must be within 150cm. However, my suitcase weighs more than 3kg, and with the computer it is overweight,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1601,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 242.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1601\nTitle: \"International flight baggage regulations\"\nSummary: \"\u2475\u3001International flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*... 3. What are liquids, gels and sprays? Liquids, gels and sprays include: Drinks, such as...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 99.11 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1602,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1602\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 66.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1603,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1603\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.69 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":1604,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1604\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.21 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1605,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1605\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.86 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1606,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 226.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1606\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 61.8 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1607,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 226.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1607\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 82.38 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":3}
-{"id":1608,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 226.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1608\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1609,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 111.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1609\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.35 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1610,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 111.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1610\nTitle: \"[How to quit smoking most effectively, 10 best ways to quit smoking! ]\"\nSummary: \"It turns out that water is a great medicine for quitting smoking. When you feel hungry or want to smoke, drink a glass of water slowly. Nicotine replacement therapy If behavioral therapy alone is difficult to promote smoking cessation, nicotine replacement therapy or non-nicotine drug therapy often helps...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1611,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 111.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1611\nTitle: \"What is the most effective way to quit smoking?\"\nSummary: \"It does not require smokers to persevere for too long. The other two most effective ways to quit smoking are actually well known to everyone. That is 1. Appropriately reward smokers. In the process of quitting smoking, for every small victory achieved, smokers can give...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1612,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 119.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1612\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.62 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":1613,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 119.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1613\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.32 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":1614,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 119.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1614\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1615,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 50.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1615\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 26.21 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1616,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1616\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.86 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":1617,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1617\nTitle: \"How much does Google Glass cost?\"\nSummary: \"If you look closely, you will know the difference. How much does Google Glass cost now? Where can I buy it? A few days ago, there was a limited sale, the price was $1,500. And it was only sold in the United States. And it was only sold for one day. So there is no place to sell it now, of course...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.94 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":1618,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1618\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively. This is higher than the price when it was first launched in Hong Kong. According to the price information on Apple's Hong Kong official website, the price of iPhone 6 starts at 5588 Hong Kong dollars (16GB), which is about 4424 yuan; the price of 64GB...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.13 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":1619,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1619\nTitle: \"How much is the iPhone 5S iPhone 6 in Hong Kong? - Hong Kong - 16 Fan\"\nSummary: \"[Shopping] How much is the iPhone 5S and iPhone 6 in Hong Kong? I will be going to Hong Kong next week. I wonder what the current prices of iPhone 5s and iPhone 6 are. Can I check the prices on Apple's Hong Kong official website? How to post pictures? When I went to buy a few days ago, I saw the price...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.44 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1620,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 52.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1620\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"iPhone 6 on sale at 4698 yuan [Xiamen] Apple 6 16G gold version priced at 4800 yuan Daily market: iPhone 6 on sale at 4799 yuan again iPhone 6 on sale at 300 yuan off, three colors at the same price of 4988 yuan Peak showdown: Samsung Note4\/iPhone6...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1621,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1621\nTitle: \"\u3010iphone6 \u200b\u200bHong Kong official website\u3011_iphone6 \u200b\u200bHong Kong official website pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality iphone6 \u200b\u200bHong Kong official website quotes, iphone6 \u200b\u200bHong Kong official website related information, iphone6 \u200b\u200bHong Kong official website latest pictures, iphone6 \u200b\u200bHong Kong official website advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1622,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1622\nTitle: \"What is the price of iPhone 6 in Hong Kong? - Zhongguancun Online Mobile Forum\"\nSummary: \"What is the price of iPhone 6 in Hong Kong? How much cheaper than the memory? Related recommendations Personal signature: None Share to: Level: Lv.7 Experience: 20492 1st floor According to past rules, the price of Apple Hong Kong version is 600 yuan cheaper than the memory, about 4500 yuan Ctrl+...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1623,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1623\nTitle: \"Does anyone know how much the iPhone 6 costs in Hong Kong?\"\nSummary: \"Mobile client Download Home in Shenzhen APP 238 | Ask Does anyone know how much the iPhone 6 costs in Hong Kong? Xiao Qie Zi 5799 Add attention Coins: - Level: - Points: - Registration time: - Xiao Qie Zi 5799 Questioner 2017-05-05 11:00:40 From...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1624,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1624\nTitle: \"iPhone 6 Hong Kong launch time iPhone 6 Hong Kong price\"\nSummary: \"Meilele Encyclopedia provides you with encyclopedia information on various digital products such as iPhone, including the launch time of iPhone 6 in Hong Kong and the price of iPhone 6 in Hong Kong, as well as many other related knowledge about Canon cameras. If you want to know more about the iPhone 6 fragrance in digital electronic products...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1625,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 84.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1625\nTitle: \"Can I bring back the iPhone 6 I bought from Hong Kong to the mainland? How many iPhone 6s can I bring back to the mainland if I buy them from Hong Kong?\"\nSummary: \"Can I buy an iPhone 6 from Hong Kong and bring it back to the mainland? Of course you can, but everyone throws away the packaging box. 1: Normally send it by express delivery. Hong Kong cannot express electronic products to the mainland. You know the tariff issue. Unless you declare...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1626,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 84.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1626\nTitle: \"How much is the tariff for sending a mobile phone directly from Hong Kong to the mainland? - iPhone 6 comprehensive discussion...\"\nSummary: \"I plan to travel to Hong Kong during the National Day holiday and bring a few phones to my friends. It's troublesome to go through customs, so I just send them to their homes by SF Express in Hong Kong. In this case, will they be taxed? How much is the tax? Does anyone know? If I don't send by express, I'm afraid that ... ...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1627,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 84.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1627\nTitle: \"If I bring an iPhone 6 bought in Hong Kong back to the mainland, will it be checked or confiscated by customs? - _New Knowledge Information\"\nSummary: \"Can I bring an iPhone 6 bought in Canada back to China for use? ...Hello, it needs to be unlocked when I return to China. My relative brought it back from the United States, and I had to unlock it before I could use it. Can I bring an iPhone 6 bought from Hong Kong back to China without unpacking it? ...Yes, without unpacking it...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.44 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1628,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 42.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1628\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to official confirmation from China Mobile, the licensed iPhone 6 purchased in mainland China and the Hong Kong version purchased in Hong Kong all support China Mobile's 4G network (TD-LTE standard). The release of iPhone 6 is a perfect 4G network coverage...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1629,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Unicom\"\nQuery Dwell Time: 36.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1629\nTitle: \"Hong Kong iPhone 6 network specifications revealed, confirmed to support China Unicom 4G - 265G iPhone Channel\"\nSummary: \"Hong Kong iPhone 6 network standard exposed, confirmed to support China Unicom 4G iPhone 6 and iPhone 6 Plus officially launched today. As one of the important first launch regions in Asia, Hong Kong has a strong presence in mainland China.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1630,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecom\"\nQuery Dwell Time: 43.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1630\nTitle: \"Can you tell me if the Hong Kong version of iPhone 6 supports telecom cards?_Computer network issues_Tubatu ask\"\nSummary: \"Tubatu Decoration Q&A platform provides netizens with various questions and answers. Tubatu Decoration Q&A gathers the decoration experience and wisdom of 6 million owners, and quickly solves decoration confusion\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1631,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecom\"\nQuery Dwell Time: 43.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1631\nTitle: \"Apple iPhone 6 16GB Telecom version 4G parameters, configuration, functions, performance, differences from other models -...\"\nSummary: \"The important parameters of Apple iPhone 6 16GB Telecom version 4G mobile phone on Pcpop.com are: Telecom 4G, Telecom 3G, 4.3-5.2 inches, Apple iOS, 16GB, silver, other, fingerprint recognition. For more detailed parameters, please visit Pcpop.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1632,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecom\"\nQuery Dwell Time: 43.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1632\nTitle: \"Does the Hong Kong version of the iPhone 6 support China Telecom? - Hong Kong - 16fan\"\nSummary: \"It is not supported. Maybe there will be a module for Telecom after jailbreaking!!! It is said on the Internet that this model A1586 should support all networks, but there is no Telecom operator in Hong Kong, so the Hong Kong version has Telecom removed. I don't know if it is supported on the Internet...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1633,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 192.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 118.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1633\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.43 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":0}
-{"id":1634,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 192.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 118.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1634\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 89.21 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1635,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 192.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 44.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1635\nTitle: \"How to get to No. 30 Shuangqing Road, opposite the East Campus of Tsinghua University (near Wudaokou), Chenming Swimming Pool...\"\nSummary: \"No. 30 Shuangqing Road, opposite to the East Sports Ground of Tsinghua University (near Wudaokou) 010-62792475 Transportation: Special 4, Special 6, Sports... Introduction: Chenming Swimming Pool: Inheriting history, Olympic quality Comments on Chenming Swimming Pool Water quality 4 (very good) Environment 4 (...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.75 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1636,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 563.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1636\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.36 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":1637,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 84.0 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1637\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.24 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":1638,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 84.0 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1638\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"According to Hong Kong media reports, military sources revealed that due to problems with parts that need to be repaired, the aircraft carrier will not be in its original... These helicopters are enough to equip two aircraft carrier formations. Although the J-15 is developed based on the Russian Su-33 carrier-based fighter...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.92 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1639,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1639\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1640,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1640\nTitle: \"Liaoning travels to another world review - Liaoning travels to another world - historical fiction - Liaoning travels to another world...\"\nSummary: \"Even in reality, even at this moment, the Liaoning is undoubtedly full of experts, and you are not short of talent. I suggest you give everyone an overall plan, at least the fleet size configuration and ammunition replenishment should be explained. Chapter 37 Maritime Air Defense ...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.46 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1641,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1641\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":1642,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1642\nTitle: \"Liaoning Liaoning's maiden voyage returns with a hidden mystery: the United States and Russia reveal a major discovery The new look of the Liaoning...\"\nSummary: \"WriterFrom:221.8.249.*The return of Liaoning from its maiden voyage is full of mysteries: the US and Russia revealed a major discovery. A new look for the Liaoning flight deck? History is definitely not a dream (photo), Ta Kung Pao, October 31st. The Chinese aircraft carrier Liaoning docked at Liaoning on the 30th...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.42 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1643,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Purpose\"\nQuery Dwell Time: 153.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1643\nTitle: \"China Four aircraft carrier battle groups from the United States, Japan and the United Kingdom gathered in the South China Sea, and the strategic purpose caused panic in China: China's J-11...\"\nSummary: \"Some experts also said that it was a demonstration of China's establishment of the East China Sea Air Defense Identification Zone. The Liaoning was just a training ship... Title: \"Four aircraft carrier battle groups from the United States, Japan and the United Kingdom gathered in the South China Sea, and the strategic purpose caused panic in China\" Address: http:\/\/ido.3mt....\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1644,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Purpose\"\nQuery Dwell Time: 153.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1644\nTitle: \"What is the Liaoning's \"cross-sea exercise\" hiding?\"\nSummary: \"December 5, 2013 - This is quite similar to the Maneuver-5 military exercise that ended in early November and the first exposure of China. Based on my personal understanding, I will discuss with readers the strategic purpose of cross-sea exercises. It is well known that China's \"Liaoning\" aircraft carrier is a training ship...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.08 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1645,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Purpose\"\nQuery Dwell Time: 153.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1645\nTitle: \"China Civil Aviation News Electronic Edition - Page 06: Political and Economic Focus\"\nSummary: \"The most fundamental purpose of the Liaoning is undoubtedly to force the United States to use far more force than before to achieve similar goals, and gradually push this trend to...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1646,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 110.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1646\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"The Liaoning played a role in resolving the Diaoyu Islands dispute, but not as much as many people imagined. China has finally completed its settlement of the dispute over the Wa... From this point of view, China's \"institutional advantage\" is no longer an advantage, but rather a disadvantage - China's existing system...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 72.39 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":1647,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 48.33 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1647\nTitle: \"\"First Time\" Two Sessions Liaoning: \"Strengthening advantages to make up for shortcomings\" Liaoning's tourism industry enters a new era...\"\nSummary: \"January 20, 2017 - Scan the QR code on WeChat and share to your friends circle 0 \"First Time\" Two Sessions Liaoning: \"Strengthening advantages to make up for shortcomings\" Liaoning's tourism industry enters a new era Tags: First Time Introduction: Two Sessions Liaoning: \"Strengthening advantages to make up for shortcomings\" ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.32 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1648,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 89.33 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1648\nTitle: \"One of the most important combat positions on the Chinese Navy's Liaoning aircraft carrier is almost identical to the US military's organization and control_Point...\"\nSummary: \"When the Liaoning aircraft carrier was modified, the command cabin was retained and an open-air LSO combat position was set up in the small space behind the cabin. Therefore, it has an inherent disadvantage. I hope this situation will be improved on the domestically built 001A aircraft carrier under construction. Picture and text:...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 30.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1649,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 89.33 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1649\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"The disadvantages of Charles de Gaulle will lead to a crushing victory. The most influential military forum - Super Base Military Forum welcomes you! Aloof from the world, tolerance is greatness. From the perspective of the aircraft carrier itself, Charles de Gaulle is better than Liaoning. From the perspective of the new aircraft carrier itself, the Liaoning is stronger...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1650,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 95.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1650\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.09 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1651,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 95.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1651\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1652,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 95.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1652\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.09 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":1653,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1653\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1654,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1654\nTitle: \"\u3010National Day Beijing Tour\u30112017 National Day Beijing Tour Location Recommendations, National Day Beijing Tour Guide...\"\nSummary: \"Friends who are in Beijing or planning to visit Beijing must want to know where to go for National Day tours in Beijing? Are there any detailed recommendations for places to visit in Beijing during the National Day? Below is a summary of places to visit in Beijing during the National Day...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1655,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1655\nTitle: \"Recommended places around Beijing_Beijing tourist attractions_Beijing surrounding attractions recommended_best routes_Beijing surrounding...\"\nSummary: \"Recommended places around Beijing, good places to go around Beijing, recommended tourist attractions around Beijing. A good place to relieve stress, team building, family fun, and couples vacation.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 130.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1656,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1656\nTitle: \"Travel around Beijing in October, good places to visit around Beijing in October - Mafengwo\"\nSummary: \"There is a 7-day holiday during the National Day holiday. You don\u2019t have to go out and add to the \u201ctraffic jam\u201d during this golden tourist season. There are beautiful scenery waiting for you around Beijing. The editor will immediately list the good places to visit in Beijing in the golden autumn. Let\u2019s travel around Beijing during the National Day holiday! [October...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1657,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Bicycle\"\nQuery Dwell Time: 53.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1657\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1658,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1658\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle. Highlights: 0 posts Registered: April 29, 2010 Many bike shops have them, but fixed gear bikes are not safe, remember to wear a helmet when riding~ Highlights: 1 post Registered: February 2012...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.36 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1659,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1659\nTitle: \"\u3010Beijing midnight fixed gear purchase department\u3011Group purchase, address, phone number, business hours - Dianping.com\"\nSummary: \"All branches of \"Beijing midnight fixed gear purchase department\" Midnight fixed gear purchase department Sports stadium | Hongcheng Garden, Shimen, Shunyi District (Exit A of Shimen Subway Station and head west! Get off at the Social Education Center and head west) Arirang_3991: It's fucking ok, I tried it for a while...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.62 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1660,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1660\nTitle: \"Does anyone know where to buy fixed gear in Beijing? | Q&A\"\nSummary: \"Does anyone know where to buy fixed gear bikes in Beijing? What is orxy oryx oryx? The name of the store. Where can I buy fixed gear bikes in Beijing? Does anyone know where to buy fixed gear bikes in Tongzhou, Beijing? Does anyone know where to buy reliable fixed gear bikes in Beijing? Does anyone know where to buy fixed gear bikes in Beijing?\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1661,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1661\nTitle: \"[Photo] Beijing Fixed Gear Shop Beijing Fixed Gear Shop Create a new DIY fixed gear - Dongcheng bicycle\/electric vehicle...\"\nSummary: \"Beijing Fixed Gear Shop Beijing Fixed Gear Shop Create a brand new DIY fixed gear, Beijing Fixed Gear Shop, Beijing's newly opened fixed gear shop. Grand opening promotion: Any boss who buys two or more fixed gears can be considered a group purchase, all items are 95% off and free headlights. Goods, colors...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.52 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1662,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1662\nTitle: \"All reviews of the Zero Point Fixed Gear Purchase Department - Beijing - Dianping.com\"\nSummary: \"All reviews by users of Dianping.com about Beijing Zero Hour Fixed Gear Purchase Department.\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.27 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1663,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1663\nTitle: \"Are there any simple bicycles like fixed gear, but cheaper? I saw several in Beijing yesterday...\"\nSummary: \"I use both fixed and live bikes. I can buy them in Beijing at natooke and orxy. I want to ask if there are small fixed bikes. Are there simple bikes like fixed bikes, but cheaper? I saw several people riding those simple bikes in Beijing yesterday, as shown in the picture...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1664,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1664\nTitle: \"Dead Gear\"\nSummary: \"Lin Chengtao: Tsinghua's employment work is very effective. Professor Chen Guoquan of the School of Economics and Management: The faculty and staff meeting encouraged people to start with me...Home Tsinghua News Tsinghua Home News World News Express Academic Research Education and Teaching Enrollment and Employment Exchange and Cooperation Campus Activities ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1665,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1665\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park * Required fields are required. China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1666,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1666\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1667,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1667\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 57.09 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":0}
-{"id":1668,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1668\nTitle: \"\u3010Beijing Fixed Gear\u3011Group Buying, Address, Phone Number, Business Hours - Dianping.com\"\nSummary: \"More Home Improvement Stores More Foreign Language Study Artistic Interests Lifestyle Services Surrounding Facilities Commercial Services All branches of \"Beijing Fixed Gear\" are not included? Thank you very much for your support of Dianping.com. Please do not submit repeatedly. What problems did you encounter?\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.17 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1669,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1669\nTitle: \"Browsing Status-Beijing Fixed Gear-Public Homepage\"\nSummary: \"Beijing Fixed Gear: June 29th event: Party at the Black Swan Club near Tiantongyuan. Start riding at 11am, have lunch at the venue~After a break, various competitions will be held in the club. There is a venue and a track. Barbecue, drinking, and drinks in the evening. Billiards,...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.26 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1670,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1670\nTitle: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store ...\"\nSummary: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store - China's largest fixed gear online store! Dedicated to the development and promotion of China's fixed gear sports and fixed gear culture, with the concept of low-carbon environmental protection and fashionable lifestyle, we provide personalized customization of genuine fixed gear...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1671,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1671\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1672,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1672\nTitle: \"Member of Beijing Fixed Gear Group\"\nSummary: \"Douban Our Spiritual Corner Scan the QR code to download directly Douban 5.0 newly released Group leader (Beijing) Administrator (Beijing) Member 1 person gathered in this group Group member search You can search for members' names, usernames, and permanent residences.\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1673,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1673\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles: Tips for Beginners | Sichuan Bicycle Suppliers Click on the image to view the larger image Product: 92 Beginners' Fixed Gear Bicycles: Tips for Beginners | Sichuan Bicycle Suppliers Unit Price: Negotiable ... 1. Before use, be sure to read the instructions and precautions first; understand its performance, and be sure to understand the structure and performance of the bicycle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.38 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1674,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1674\nTitle: \"[20 Guizhou fixed gear bicycle price What should I pay attention to when riding a fixed gear bicycle in rainy days? ] Price...\"\nSummary: \"Marco Polo Network (makepolo.com) provides relevant company introductions and product information of Shenzhen Hongxiangli Technology Co., Ltd., mainly focusing on the price of 20 Guizhou fixed gear bicycles and the precautions for riding fixed gear bicycles in rainy days? It also includes 20 Guizhou fixed gear bicycles...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1675,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1675\nTitle: \"51 Beginners learn how to use fixed gear bicycles.\"\nSummary: \"I want to tell you that beginners should pay special attention to the following 3 points when learning fixed flight: 1. Before using, be sure to read the instructions and precautions first; understand its performance, be sure to understand the structure and performance of the car, and be very familiar with the car...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1676,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1676\nTitle: \"New bicycles of various brands. Second-hand bicycles that are 80% to 90% new, at affordable prices. The latest event is to...\"\nSummary: \"Types include: children's bicycles, folding bicycles, mountain bikes, regular bicycles, road racing bicycles, fixed gear bicycles, and BMX bicycles. Price range: folding bicycles 198-480, bicycles 139-398, mountain bikes 350-1000+, children's bicycles 200-400 About car rental: mountain bikes 30 per day...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1677,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1677\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Focus on fixed gear bikes and share fixed gear bike videos and fixed gear bike riding methods with fellow riders. We discuss fixed gear bike prices and... work together to create the most professional fixed gear blog in China!\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.26 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":1678,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1678\nTitle: \"How much does a fixed gear bicycle cost?\"\nSummary: \"14bikeco How much does a good-looking fixed gear bike cost? How much does a fixed gear bike cost? Fixed gear bikes that can be freely assembled and matched with colors are very popular among middle school and college students. Many riders remove the brakes to pursue individuality...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1679,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1679\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Fixed Gear Bicycle related products are popular searches, providing you with prices, pictures, reviews, recommendations... providing you with an accurate search and shopping reference guide for buying fixed gear bicycles in Gome!\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.02 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1680,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1680\nTitle: \"Fixed Gear Bicycle Price and How to Buy a Fixed Gear Bicycle\"\nSummary: \"In today's fast-paced life, the functionality and practicality of fixed-gear bicycles continue to be valued. Even fixed-gear bicycles have been integrated with various design elements and remade by masters to appear in a new posture. The rigid fixed-gear bicycles are no longer...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.44 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1681,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1681\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"At this time, fixed-gear bicycle players also appeared in Beijing, Shanghai, Guangzhou and other places, but they had not been seen in Nanjing. 2008... Because the control of the bicycle is very comfortable, fixed-gear bicycles are more suitable for playing polo than ordinary bicycles. In a fixed-gear specialty store, a...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1682,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1682\nTitle: \"How much does a fixed gear bicycle cost?\"\nSummary: \"Three-wheeled fixed-gear relay race, quick inner tube change and other fun events. Competition rules & competition process 1. Bicycle polo (Detailed rules: depends on the number of people - if there are less than four groups, the group competition system is adopted; if there are more than four groups, the elimination system is adopted to advance and the champion team is selected...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1683,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 21.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight carry-on baggage regulations\"\nQuery Dwell Time: 8.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1683\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1684,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1684\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"Smoking cessation is a product specifically for men's health. The smoking cessation products sold on the official website are all genuine. Learn about smoking cessation and consult how much it costs to quit smoking. The only official channel to buy genuine smoking cessation products is safe and guaranteed. To buy genuine smoking cessation products, look for the official smoking cessation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.29 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":1685,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1685\nTitle: \"China Quit Smoking Network - Let's quit smoking together on World No Tobacco Day\"\nSummary: \"China Quit Smoking Network provides smokers with methods and products to quit smoking, and teaches everyone how to quit smoking. Let's quit smoking together on Quit Smoking Day.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.13 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":1686,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1686\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.86 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":1687,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1687\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, how to quit smoking most effectively, how to quit smoking most effectively...quit smoking mouthpieces, quit smoking tea and other quit smoking products and quit smoking service information.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.47 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1688,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1688\nTitle: \"What are the benefits of quitting smoking? - The good news of quitting smoking has come to all people - Sohu Scroll\"\nSummary: \"In addition, the benefits of quitting smoking are already a well-known issue, which has led to China Quitting Smoking Network http:\/\/www.cnjieyan.com and Quitting Smoking Network http:\/\/www.cnjieyan.cn publishing several consecutive analyses and praises on it. There are many benefits of quitting smoking, and I hope...\"\nRank: 26\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.92 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1689,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 56.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1689\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.55 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1690,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 56.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1690\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.24 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1691,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 69.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1691\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.33 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":2}
-{"id":1692,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1692\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.44 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":1693,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1693\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.16 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1694,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1694\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"Home New arrivals Men's glasses Women's glasses Sunglasses Brand lenses Cosmetic contact lenses Group vouchers Series MoriDivided Black Basic Retro Horm Carbon fibre Alpha Material Sheet metal TR Plastic steel Carbon fiber Titanium frame Polymer Frame...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.08 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1695,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1695\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Smart glasses, Google Glass According to foreign media reports, Verily Life Sciences, a medical division of Google's parent company Alphabet, recently received a huge investment from Singapore's famous company Temasek. It is reported that Temasek's investment in Verily Life Sciences...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.0 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":1696,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1696\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.44 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":1697,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1697\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.2 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1698,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1698\nTitle: \"First experience with Google Glass: powerful and easy to use - Alibaba Cloud Information Network\"\nSummary: \"NetEase Technology News, April 22, according to foreign media reports, the first batch of Google Glass test versions have been delivered to users one after another. Following the unboxing videos and photos, some technology experts have also begun to publish their own usage evaluation reports.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.22 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1699,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass How it works\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1699\nTitle: \"Does anyone know how to use Google Glass? _Home Decoration | Yiqi.com Decoration\"\nSummary: \"Plug the mouse cable into the back of the base, make sure the Google Glass battery is sufficient to start the mouse, there is an ON\/OFF prompt under the mouse, flip the switch to the ON position, and make sure the base is powered, click another oval button,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.23 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":1700,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 34.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1700\nTitle: \"How much does Google Glass cost?\"\nSummary: \"How much is Google Glass? Check out the price on Amazon. You can also check it on the official website. 1 Google Glass... I see many people are mocking Google Glass. Don't they know that the glasses have already been tested? Yes... Google 2012 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.45 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":1701,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 34.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1701\nTitle: \"Is Google Glass officially on sale? How much does it cost? _Questions and Answers_Android Chinese Network\"\nSummary: \"Q: Is Google Glass officially on sale? How much does it cost? As early as two years ago, Google announced a pair of smart glasses: Google Glass, but this machine was only tested in a small range and has not yet been officially released to the public. There are many questions about...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1702,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in mainland China and Hong Kong\"\nQuery Dwell Time: 71.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1702\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.91 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1703,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 78.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1703\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.31 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1704,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 70.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1704\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.72 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":1705,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 70.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1705\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Huafen talks about industry information Huafen Club...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports the 4G networks of the three major domestic operators\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.03 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":1706,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1706\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.95 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1707,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1707\nTitle: \"[Tsinghua University Swimming Tickets | Tsinghua University Swimming Tickets Transfer Information] - Beijing 58.com\"\nSummary: \"Tsinghua University Swimming Tickets Channel provides you with Tsinghua University Swimming Tickets Inquiry and Tsinghua University Swimming Tickets Transfer Information for you to choose from. You can view and publish Tsinghua University Swimming Tickets Information and Tsinghua University Swimming Tickets Transfer Information for free. Thank you...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.47 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":0}
-{"id":1708,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1708\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 24\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.04 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":1709,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1709\nTitle: \"Tsinghua University Swimming Pool - [Hot Word Recommendation - Renren]\"\nSummary: \"Every Sunday at noon, students from the Medical Research Class 09 actively participate in swimming exercises in the swimming pool of Tsinghua University. Swimming can effectively relieve pain in the cervical spine, lumbar spine and joints. Persistent exercise can improve the respiratory system, blood circulation system...\"\nRank: 30\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1710,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 65.38 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1710\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.55 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":1711,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1711\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.37 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1712,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1712\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The significance of the construction of the Liaoning aircraft carrier Liaoning aircraft carrier, referred to as \"Liaoning\", hull number 16, is the Chinese people's... China's naval strategy for offshore defense has not changed. The Chinese people's navy has become stronger. The significance of the construction of the Liaoning aircraft carrier... Introduction to the Liaoning and...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1713,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1713\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.37 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":1714,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1714\nTitle: \"The commissioning of the Liaoning reflects five strategic significances [Jiangchuan Farm Hangzhou Youth Bar]_Baidu Post Bar\"\nSummary: \"The commissioning of the Liaoning reflects the five... \"Yellow Water Navy\" turns to \"Blue Water Navy\" Yesterday, China's first aircraft carrier, the Liaoning, was officially handed over and commissioned. Military experts pointed out that the commissioning of the Liaoning is an important starting point for the Chinese Navy to go to the ocean, and will...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1715,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with foreign aircraft carriers\"\nQuery Dwell Time: 58.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1715\nTitle: \"Compared with the Liaoning aircraft carrier, what are the advantages and disadvantages of the Vikrant aircraft carrier? - Zhihu\"\nSummary: \"In the future, we can still have a numerical advantage. The second point is that the displacement of the Liaoning (fully loaded) is nearly 70,000 tons, which is actually the upper limit of medium-sized aircraft carriers and the threshold of heavy (super) aircraft carriers. The deck area is large, although the hangar volume is limited (first...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1716,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with foreign aircraft carriers\"\nQuery Dwell Time: 58.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1716\nTitle: \"...Compared with the USS Ford, the Chinese Liaoning is too weak. The US military is building a new generation of aircraft carriers that are considered \"representatives...\"\nSummary: \"The US military is building a new generation of aircraft carriers, which is considered to have an unshakable advantage in terms of \"generation gap\". The recently launched USS Ford aircraft carrier can be loaded with nuclear fuel for 50 years until it is retired, and no more fuel is needed for the Liaoning aircraft carrier. Each time it is refueled, it will be nearly...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1717,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with foreign aircraft carriers\"\nQuery Dwell Time: 58.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1717\nTitle: \"Does Liaoning have any advantages over Kitty Hawk? -Navy Edition-Super Base Military Forum-The most influential...\"\nSummary: \"The Russians have been playing with aircraft carriers for so many years and have not found the essence of it. The most influential military forum - Super Base Military Forum welcomes you! Stand out from the world, and be tolerant. There are definitely advantages, such as fewer crew members, more fuel-efficient, and low costs. The most influential military... Stand out from the world, and be tolerant. It is no exaggeration to say that it cannot be defeated. After all, Kitty Hawk is also the ultimate version of conventional-powered aircraft carriers,...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1718,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 192.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 182.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1718\nTitle: \"Team Ice Breaking Game - Calling by Name Gameplay Introduction_Ceba.com: College Student Activity Planning Book Network - College Student...\"\nSummary: \"Game Name: Call each other by name Game Type: Team game, icebreaker Game Overview: This game is mainly used to help everyone remember each other's names. Game Purpose: Help everyone remember each other's names. Game Time: 10~15 minutes Number of people...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 87.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1719,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 192.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 182.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1719\nTitle: \"How to play the team icebreaker game \"Two Dollars\"\"\nSummary: \"How to play the team ice-breaking game \"Two Yuan\": 1 yuan; if the proportion of girls is much greater than that of boys, girls will be \"1 yuan\" and boys will be \"2 yuan\". 2. According to the amount of money said by the trainer, all trainees will form the corresponding number,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1720,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 192.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 182.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1720\nTitle: \"Icebreaker game - getting to know each other\"\nSummary: \"Author: Hai Tianxing Article source: Original from this site Hits: Please indicate the source for reprinting a. \u4f17\u5961 M \u4ed6 Number of people: less than 20 people Equipment: paper & pen How to play: 1) Prepare a slip of paper with the names of the players, and ask each participant to draw a slip with someone else's name...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1721,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 115.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1721\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.24 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":1722,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 115.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1722\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1723,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 115.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1723\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Where is Donghouding? Travel guide from Beijing to Donghouding Travel guide to Beijing's surrounding areas Travel guide to Hebei Zhengding Ancient City Where to go in Hebei in winter Visit ancient buildings in Handan City Experience rural travel Travel guide to Shexian County, Hebei Explore the glass plank road of Baishishan Mountain in Baoding Travel guide to Yanmenguan in Daixian County, Shanxi...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.06 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":1724,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1724\nTitle: \"Beijing self-guided tour guide, best route recommendation_Beijing travel guide\"\nSummary: \"In Beijing, a world-class cultural and tourist destination, there are tens of thousands of hotels. Many people are struggling to find a hotel that suits them. When choosing a hotel, the most important thing to consider is its location, price, room decoration and service. The following are recommended...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 252.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1725,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1725\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Beijing Travel Guide 2017 collects Beijing free travel guides, including Beijing snack guides, Beijing shopping guides, Beijing accommodation guides, etc., as well as popular Beijing Great Wall tours and Beijing Happy Valley guides\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1726,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1726\nTitle: \"Beijing Travel Notes, Beijing Self-guided Tour Notes, Beijing Travel Guide - Mafengwo\"\nSummary: \"Beijing Travel Notes is the latest Beijing self-guided tour notes written by travelers who have been to Beijing. It records the tourist attractions, customs and practices during the trip to Beijing. For more Beijing travel notes and Beijing travel guides, please visit Mafengwo Travel Guide Network.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 125.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1727,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1727\nTitle: \"Beijing Travel Guide_Beijing Tourism Guide_Self-guided Tour Guide_Qunar Guide Community\"\nSummary: \"Beijing travel guide, Beijing travel guide\/self-guided tour guide. Qunar travel guide community provides travel guide production, sharing, and downloading. The guide contains information on attractions, food, hotels, shopping, transportation, etc., personally experienced travel routes, local practical information...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 75.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1728,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Forum\"\nQuery Dwell Time: 84.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1728\nTitle: \"Rental housing [Tsinghua University Bar]_Baidu Post Bar\"\nSummary: \"15701630857 No agency fee, no deposit, just rent, a great house that you can rest assured about. Only for girls, in the staff building of the University of Geosciences, super convenient, suitable for postgraduate entrance exams \u2299\u2200\u2299! See the house and discuss the price, \ud83d\ude18 girls, girls girls, others please do not disturb\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1729,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Forum\"\nQuery Dwell Time: 84.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1729\nTitle: \"Tsinghua University Post Bar Home Page_One point network TSINGHUA campus website home page Tsinghua\"\nSummary: \"China University of Petroleum (Beijing) Forum University of International Business and Economics Forum Beijing Xihua International Business and Economics Vocational College Forum China University of Mining and Technology (Beijing) Academic Affairs Office Beijing Agricultural Vocational College Academic Affairs Office Beijing Dongcheng District Workers' Amateur University Academic Affairs Office China...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.91 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1730,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Salted Fish\"\nQuery Dwell Time: 172.13 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1730\nTitle: \"Xianyu. Taobao Second-hand - Sell your unused items easily and buy second-hand items with confidence\"\nSummary: \"Want to temporarily say goodbye to the monotonous life and embark on a journey without a destination? Remember to bring your favorite headphones and music in your luggage. With them, you will not be lonely along the way. The invention of the mouse is one of the most important events in the 50 years since the birth of computers...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 135.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1731,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tmall\"\nQuery Dwell Time: 248.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1731\nTitle: \"Tmall - Buy on Tmall\"\nSummary: \"Legal Statement and Privacy Policy Wenwangwen [2010] No. 040 Mobile Taobao Mobile Tmall Return to QR code login Free registration Alibaba Group Alibaba International Station Alibaba China Station AliExpress Taobao Tmall Juhuasuan Yitao Alimama...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 230.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1732,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"58.com\"\nQuery Dwell Time: 73.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1732\nTitle: \"\u301058.com\u3011Tongliao classified information - local free and efficient\"\nSummary: \"58 Tongliao classified information network provides you with a large amount of classified information such as real estate, recruitment, yellow pages, group buying, dating, second-hand, pets, vehicles, surrounding tours, etc., fully meeting your needs for free viewing\/posting information. Tongliao 58 Tongliao, professional classified...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1733,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 128.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1733\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.55 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":1734,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 128.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1734\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling form of track bicycle competition, called \"racing wheel\", in China... Playing \"Fixed Gear\" mainly relies on feet to control the forward and backward movement of the bicycle, and you can also perform many fancy moves, which is fun...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 52.57 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":1735,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 49.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Flight Baggage Tips\"\nQuery Dwell Time: 36.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1735\nTitle: \"International Flight Baggage Information\"\nSummary: \"People generally need to carry a lot of luggage when taking international flights, and different airlines have different regulations on luggage. Therefore, it is necessary to check the relevant regulations when booking tickets and preparing luggage, especially the number of pieces of luggage, size, etc.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1736,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 256.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1736\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.64 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1737,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 256.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1737\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 137.1 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1738,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 282.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1738\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 137.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1739,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 282.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1739\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.12 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":1740,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 282.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1740\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.34 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":1741,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 119.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1741\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.3 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1742,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 119.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1742\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many ways to quit smoking, and the following are some recommended. Some patients experience phlegm and dry throat after quitting smoking. A large number of clinical research results have confirmed that the more obvious this abnormal feeling is after treatment, the more...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.2 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1743,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1743\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.73 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1744,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1744\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.42 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1745,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1745\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.9 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":1746,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1746\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1747,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1747\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.03 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":1748,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1748\nTitle: \"Google Glass - How is Google Glass? How does Google smart glasses connect to the Internet? Google Glass...\"\nSummary: \"Google Glass We are working hard to load it for you... [Google Glass No. 1] Sold: 0 pieces Price: 338.00 yuan [Google Glass No. 2] Sold: 0 pieces Price: 328.00 yuan [Google Glass No. 3] Sold: 0 pieces Price: 338.00 yuan ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.74 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1749,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1749\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1750,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 445.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Apple Hong Kong\"\nQuery Dwell Time: 50.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1750\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1751,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 445.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone in Hong Kong?\"\nQuery Dwell Time: 98.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1751\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"According to customs regulations, no customs duties are required. 2. If the value of the mobile phone you purchased in Hong Kong exceeds RMB 5,000: (1) Cameras and camcorders with a unit price of more than RMB 5,000 that need to be brought into the country 1. As long as you purchased it in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.81 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1752,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 136.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 70.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1752\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space Personal information Blog age: 6 years and 3 months Visits: ? times Articles: 62 articles Blogger's latest articles Log text Category: blog | Tags: Tsinghua University Chen Ming Swimming Pool Charge Standard Opening Hours ...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.97 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":1753,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 181.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 74.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1753\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.9 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1754,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 181.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baidu Encyclopedia\"\nQuery Dwell Time: 75.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1754\nTitle: \"Baidu Encyclopedia_The world's largest Chinese encyclopedia\"\nSummary: \"Baidu Encyclopedia is an open and free online encyclopedia that aims to create a Chinese knowledge encyclopedia covering all fields of knowledge and serving all Internet users. Here you can participate in the editing of entries and share your knowledge. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1755,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 181.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baidu Encyclopedia\"\nQuery Dwell Time: 75.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1755\nTitle: \"Baidu Encyclopedia_The world's largest Chinese encyclopedia\"\nSummary: \"Baidu Encyclopedia is an open and free online encyclopedia that aims to create a Chinese knowledge encyclopedia covering all fields of knowledge and serving all Internet users. Here you can participate in the editing of entries and share your knowledge. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1756,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 241.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 236.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1756\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 228.69 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1757,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 237.63 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing\"\nQuery Dwell Time: 224.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1757\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where to have fun in Beijing, what fun places are there in Beijing, and tourist attractions around Beijing, all on Beijing Xialu.com. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1758,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 237.63 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing\"\nQuery Dwell Time: 224.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1758\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1759,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 237.63 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing\"\nQuery Dwell Time: 224.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1759\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1760,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle\"\nQuery Dwell Time: 60.82 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1760\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.33 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1761,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where can I buy a fixed gear bicycle in Beijing?\"\nQuery Dwell Time: 56.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1761\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle. Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1762,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"JD Fixed Gear Bicycle\"\nQuery Dwell Time: 213.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1762\nTitle: \"Jingdong delivery fixed gear bicycle 26 inches 30\/40\/60 rims coaster brake bicycle student men and women road bicycle...\"\nSummary: \"JD.com delivers fixed gear bicycle 26 inches 30\/40\/60 rims coaster brake bicycle student men and women road bicycle with replaceable solid tires 30 rims Bianchi pink 26 inches coaster brake solid tire model: a good shopping experience, good quality and low price, my son likes it.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 77.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1763,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"JD Fixed Gear Bicycle\"\nQuery Dwell Time: 213.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1763\nTitle: \"Some \"fixed gear\" bicycles pose serious safety hazards_China Economic Net - National Economic Portal\"\nSummary: \"Acquisition of Taoqi stalls to quickly enter JD.com's automotive aftermarket business officially launched \"China's Resident Consumption Upgrade Index Report\" shows... Our reporter Yang Lei Not long ago, a case sentenced by the People's Court of Changshan County, Quzhou City, Zhejiang Province once again put \"fixed gear\" bicycles...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 103.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1764,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Bicycle Sales Point\"\nQuery Dwell Time: 73.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1764\nTitle: \"Is there a place selling bicycles near the east gate of Tsinghua University? - Ask Knowledge\"\nSummary: \"Is there a place selling bicycles near the east gate of Tsinghua University? All answers (2 answers in total) Come out of the east gate of Tsinghua University and walk towards Chengfu Road. There is one on the left. Go out of the west gate of Tsinghua University and walk towards the vicinity of Tsinghua University.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1765,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 141.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 130.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1765\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1766,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 141.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 130.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1766\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Regulations on liquids in checked baggage on international flights: Items not allowed as checked baggage or in checked baggage The following items are not suitable for transportation due to the following reasons: Due to the dangerousness and unsafe nature of the items... Requirements for taking liquids on board an airplane...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.36 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1767,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 141.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 130.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1767\nTitle: \"What are the requirements for checked baggage on international flights?\"\nSummary: \"Baidu Experience: jingyan.baidu.com Airlines' regulations on baggage: For domestic flights, each passenger's free baggage allowance (including checked and hand luggage) is: 20 kg for economy class passengers, 30 kg for business class passengers, and 30 kg for first class passengers.\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1768,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 19.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1768\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1769,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 70.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1769\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.89 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1770,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 70.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1770\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.69 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1771,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 70.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1771\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1772,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1772\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.05 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":1773,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1773\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.6 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":1774,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1774\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.25 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":1775,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1775\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1776,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1776\nTitle: \"Google Glass user experience: too flashy, limited use cases - Sohu News\"\nSummary: \"May 6, 2014 -Using Google Glass means being prepared to be watched at any time. On a more pessimistic note, although it is relatively rare, cases of people getting into trouble because of using Google Glass have occasionally appeared in the newspapers. However, since the author wants to...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 101.39 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":1777,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1777\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"At the same time, press the button on the front of the base to synchronize, so that your Google Glass can be used wirelessly. Attachment: Please make sure that the mouse is at a suitable distance from the power base and there is no strong electromagnetic interference nearby. (2017-11-...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.42 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1778,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1778\nTitle: \"Google Glass official user guide released - CSDN Blog\"\nSummary: \"Therefore, Google recently released a guide to using the device for Google Glass explorers: What you can or need to do is: 1) Explore the world around you: When you wear Google Glass to explore the world around you, keep your head up and never look down...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1779,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1779\nTitle: \"The correct way to use Google Glass - HD video - iQIYI\"\nSummary: \"The correct use of Google Glass is a quasi-HD video with clear images and smooth playback. Release time: 2013-12-24. Video description: The correct use of Google Glass.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.25 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1780,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6\"\nQuery Dwell Time: 90.98 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1780\nTitle: \"iPhone6 - Wikipedia\"\nSummary: \"TheiPhone 6andiPhone 6Plus are smartphones designed and marketed by Apple Inc. The devices are part of the iPhone series and were announced on September 9, 2014, and released on September 19, 2014. TheiPhone 6andiPhone 6Plus jointly serve as successors to the iPhone 5S and were themselves replaced ...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1781,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in China\"\nQuery Dwell Time: 40.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1781\nTitle: \"iPhone 6 will be launched in mainland China on the 17th of this month, with a starting price of 5,288 yuan\"\nSummary: \"October 1, 2014 - Apple announced on the afternoon of September 30 that the iPhone 6 will be available in mainland China on October 17, with a minimum price of 5,288 yuan. On the same morning, the Ministry of Industry and Information Technology announced that it had issued a license to iPhone 6 and iPhone 6 Plus manufacturers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1782,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Price in Hong Kong\"\nQuery Dwell Time: 60.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1782\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively. This is higher than the price when it was first launched in Hong Kong. According to the price information on Apple's Hong Kong official website, the price of iPhone 6 starts at 5588 Hong Kong dollars (16GB), which is about 4424 yuan; the price of 64GB...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1783,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version purchasing\"\nQuery Dwell Time: 95.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1783\nTitle: \"iPhone6 \u200b\u200bHong Kong version purchasing [multiple pictures]_price_picture - Tmall selection\"\nSummary: \"Tmall selected iphone6 \u200b\u200bHong Kong version purchasing special topic, we selected 38 products related to iphone6 \u200b\u200bHong Kong version purchasing for you based on price, evaluation and sales volume\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.95 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":1784,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version purchasing\"\nQuery Dwell Time: 95.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1784\nTitle: \"iPhone6 \u200b\u200bpurchasing agent Hong Kong version of iPhone6 \u200b\u200bhow to buy purchase channels summary 18183 iPhone game channel\"\nSummary: \"A summary of how to buy the Hong Kong version of iPhone 6. In this article, the editor brings you a summary of how to buy the Hong Kong version of iPhone 6.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 47.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1785,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 49.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1785\nTitle: \"Do the Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1786,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1786\nTitle: \"Tsinghua University Map - Earth Online\"\nSummary: \"Satellite map of Tsinghua University, Tsinghua University (Tsinghua University), a comprehensive university in China, is located in Tsinghua Park, Haidian District, Beijing. Tsinghua University currently has more than 7,800 faculty and staff, including 34 academicians of the Chinese Academy of Sciences and academicians of the Chinese Academy of Engineering...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 90.33 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1787,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1787\nTitle: \"Beijing Tsinghua University satellite map_Beijing Tsinghua University attractions map_Beijing Tsinghua University tourist map\"\nSummary: \"Tsinghua University is the highest institution of learning in China, located in a prosperous garden area in the northwest suburbs of Beijing. The Qingyuan Garden is full of beautiful trees and clear water... (Includes 21 attractions) The Second Gate of Tsinghua University in Beijing, the Second Gate is a classical and elegant three-arch \"archway\" with blue bricks, white columns...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.38 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1788,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1788\nTitle: \"Tsinghua University Campus Map_Capital Airport Forum Area\"\nSummary: \"Campus Recruitment Capital Airport Beijing Capital International Airport Co., Ltd. Industry: Transportation\/Logistics and Warehousing Enterprise Nature: Private\/Private Enterprise Enterprise Size: More than 1,000 people + Follow Lv Chaojia The following is a link to the Tsinghua University campus map Please...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1789,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1789\nTitle: \"Tsinghua University Map_Tsinghua University Tourist Map HD Version - CYTS Travel Network\"\nSummary: \"Interconnection Card Help Brand of CYTS (listed on A-shares 600138) Inheriting the quality of CYTS and focusing on global travel All products Tsinghua University tourist attractions Atour.com popular activities Tourist attractions Why choose Atour.com Tsinghua University map full map Tsinghua...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1790,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1790\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.69 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":1791,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1791\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.7 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":2}
-{"id":1792,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1792\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.56 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1793,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1793\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1794,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours for Students\"\nQuery Dwell Time: 62.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1794\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.55 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1795,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 120.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1795\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.31 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1796,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic role of Liaoning\"\nQuery Dwell Time: 117.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1796\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The time for submerging is limited, and the tactic of conventional submarines to attack aircraft carriers is to ambush them. According to the size of China's submarine force, if a Vietnamese submarine appeared in the channel of the Liaoning aircraft carrier and sank the aircraft carrier, the Navy Commander estimated that suicide would not be enough to atone for the crime. Vietnam...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 100.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1797,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other countries' aircraft carriers\"\nQuery Dwell Time: 83.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1797\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1798,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other countries' aircraft carriers\"\nQuery Dwell Time: 83.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1798\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1799,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 173.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to play an ice-breaking game with about ten people during new employee training\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1799\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"About the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, the more games the better... 1 OP Believ...... Login Register All replies (1) My replies (0) Cancel Post About Sanmao Contact me...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1800,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 128.53 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1800\nTitle: \"\u301058.com\u3011Beijing surrounding tours_Beijing surrounding tourism_Beijing surrounding tourist attractions\"\nSummary: \"Popular attractions: Duration: Tour items: Tour method: Suitable for the crowd: Price: Address: Chinese medicine has been called herbal medicine since ancient times, because more than 90% of Chinese medicine is made of plants. We have five days, seven days, ten days in Beijing, details...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1801,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 128.53 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1801\nTitle: \"Excuse me, a friend and I are planning to travel in a province near Beijing for about ten days, and we don't know where to go...\"\nSummary: \"Please tell me, my friend and I are planning to travel in the provinces near Beijing for about ten days, but we don't know where to go. We are planning to go to Inner Mongolia and Xinjiang, but we don't know which places are fun. And we only have 2,000 yuan per person. I hope to get some advice from experts...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 57.19 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":1802,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1802\nTitle: \"Wonderful Beijing attractions tour, 10 days of leisurely travel in the imperial capital. [Multiple photos]_Tiananmen Square travel notes_Tuniu\"\nSummary: \"In 2010, I went to Beijing on a tour group and was attracted by the \"high-end\" city of Beijing. Since I was with a tour group, I had to visit all the attractions in a hurry. I visited three attractions in one day and went to at least one shopping store every day. I didn't have time to take a look...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1803,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1803\nTitle: \"What are the tourist attractions around Beijing? - Travel Q&A\"\nSummary: \"I originally planned to travel in Beijing from August 23 to 28. But today I found that the Forbidden City and the university were closed, and the transportation was inconvenient. I wanted to go to the surrounding areas. Those areas are convenient. Finally, I returned to Shenzhen. The summer heat has not subsided. If you want to go to the surrounding areas of Beijing, you can go to Beidaihe, Shan...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 43.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1804,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1804\nTitle: \"[Beijing Suburban Tours] Xingcheng, Huludao, Bijiashan, Semi-Self-Guided Double-Car Three-Day Tour...\"\nSummary: \"Individual travel group tours are organized by Beijing Joint Group Tours and destinations nationwide. As tourism products are special products, the room charges\/local car charges fluctuate greatly with the seasons. We can only guarantee the validity of the itinerary arrangements of the tourism routes, but we cannot guarantee the departure of the routes during the peak season...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1805,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1805\nTitle: \"Excuse me, a friend and I are planning to travel in a province near Beijing for about ten days, and we don't know where to go...\"\nSummary: \"Please tell me, my friend and I are planning to travel in the provinces near Beijing for about ten days, but we don't know where to go. We are planning to go to Inner Mongolia and Xinjiang, but we don't know which places are fun. And we only have 2,000 yuan per person. I hope to get some advice from experts...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 201.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1806,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1806\nTitle: \"Xi'an Giant Fixed Gear\/Sports 2000-3000 yuan bicycle | Xi'an Giant Fixed Gear\/Sports 2000-...\"\nSummary: \"Tsinghua University mountain bike, other bicycles as shown, 21-speed disc brake mountain bike, 99% new, price 260 yuan. Jinan - Shizhong - Jiwei Road other bicycle models, other bicycles 26-inch wheels, complete baskets and locks, quality assurance, neat and light...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 58.16 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1807,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1807\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Tsinghua University mountain bike, other bicycles for sale. Many second-hand bicycles are easy to ride. They have baskets for carrying people. There are many styles and styles... The price is between 1000-1500. Face-to-face transactions are required. The original purchase of the bicycle is required. Liaoyuan - Longshan mountain bike, Giant River...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 16.33 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1808,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1808\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Tsinghua University mountain bike, other bicycles for sale. Many second-hand bicycles are easy to ride. They have baskets for carrying people. There are many styles and styles... The price is between 1000-1500. Face-to-face transactions are required. The original purchase of the bicycle is required. Liaoyuan - Longshan mountain bike, Giant River...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1809,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1809\nTitle: \"Yangquan Bicycles | Yangquan Bicycle Sales | Yangquan Bicycle Trading - Yangquan Cool Search\"\nSummary: \"Fixed Gear\/Field, Other Bicycles My husband bought me a bike for work at Gaoqiao for 780, but I am too short to ride it... Our prices are much lower than the market price. Welcome all customers and friends to come to my store to buy your favorite bike at a low price. Chongqing - Jiang...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1810,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1810\nTitle: \"Chongqing Pulin Racing Bicycles over 3000 yuan | Chongqing Pulin Racing Bicycles over 3000 yuan ranking -...\"\nSummary: \"Very cheap price, very demanding. Changsha - Mountain bikes around Changsha, other bicycles have been used for half a year, the original price is 2198 yuan, now transferred to other places, pictures are real, contact me if you want. Harbin - Nangang mountain bike, Merida aluminum alloy frame, Jubilee...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1811,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 49.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1811\nTitle: \"Tsinghua University is next to Peking University_The story of Tsinghua University being next to Peking University-Yilin Story\"\nSummary: \"Traditional Chinese Network provides Yilin's story: Tsinghua University is next to Peking University. Although I studied at Tsinghua University, Tsinghua University and Peking University are only separated by a wall, so I am very familiar with Peking University, and it has various intricate connections with me. ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.69 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1812,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 49.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1812\nTitle: \"Tianjin Fixed Gear Store\"\nSummary: \"http:\/\/chaoqi-bike.taobao.com QQ:863866110 Specializing in various body stickers, fixed gear spoke cards, massive... Tsinghua University (26) 3 3. Fudan University (237) 3 4. Shanghai Jiaotong University (10) 9 5. Sun Yat-sen University (33) ...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1813,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 49.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1813\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Recently, a 13-year-old female middle school student in Zhangzhou died in a traffic accident while riding a fixed-gear bicycle, becoming the first domestic... The first Art Tianjin was held in Beining Park. Are there still free cards for the small yellow bikes and Mobikes? Vice President of Tsinghua University...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1814,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 60.81 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1814\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Second-hand bicycles 6722 people gathered in this group Join the group Latest topics (more) A permanent bicycle without a frame. Easy to ride, strong. (Delicious sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1815,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1815\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1816,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1816\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Mountain bike, other bikes Blue Sword mountain bike, 18-speed gearbox, easy to use, no problem with brakes, no problem with tires, with a rear seat, a solid frame, the bike is easy to ride, no Beijing - Haidian - Tsinghua University mountain bike, other bikes Hua...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.19 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1817,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1817\nTitle: \"Yantai Zhongzheng fixed gear\/venue over 3000 yuan bicycle | Yantai Zhongzheng fixed gear\/venue over 3000 yuan...\"\nSummary: \"Tsinghua University mountain bike, other bicycles are basically new, with complete receipts, bought with my girlfriend a month ago, 26 inches, double disc brakes, high configuration, Shanghai Forever Linglong is very easy to ride, need Nanjing - Jiangning - Dongshan mountain bike, other bicycles...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1818,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1818\nTitle: \"Yantai Zhongzheng fixed gear\/venue over 3000 yuan bicycle | Yantai Zhongzheng fixed gear\/venue over 3000 yuan...\"\nSummary: \"Tsinghua University mountain bike, other bicycles are basically new, with complete receipts, bought with my girlfriend a month ago, 26 inches, double disc brakes, high configuration, Shanghai Forever Linglong is very easy to ride, need Nanjing - Jiangning - Dongshan mountain bike, other bicycles...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.71 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1819,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 184.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage, weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, and which items must be checked\"\nQuery Dwell Time: 168.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1819\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights? When taking international flights, the total weight of carry-on luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40... If the weight or volume exceeds the above limit, it should be checked in as checked baggage. Items that passengers are prohibited from carrying or checking in, including...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1820,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1820\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.91 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1821,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1821\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.43 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":1822,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1822\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.35 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1823,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1823\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.74 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":1824,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1824\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.08 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":1}
-{"id":1825,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1825\nTitle: \"The benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking (1) Be a good role model for your family and friends. Remember: if the elders smoke, the younger ones will imitate them; if the children smoke, the parents will be sad; if you offer cigarettes to each other, both sides will suffer. (2) Be determined to break free from the shackles of smoking. After quitting, you can reduce the impact of smoking on your body and mind...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1826,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1826\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.5 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1827,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1827\nTitle: \"Quit smoking_The harm of smoking_The best way to quit smoking_E-cigarette brand|18 bends to quit smoking\"\nSummary: \"18 Tips for Quitting Smoking helps you understand the dangers of smoking, nicotine, e-cigarettes, cigarettes and other tobacco products, explains how to quit smoking and the symptoms after quitting smoking, and provides the latest and best methods and products for quitting smoking at home and abroad.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 33.8 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":0}
-{"id":1828,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1828\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 37.61 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":0}
-{"id":1829,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1829\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.1 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":1}
-{"id":1830,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1830\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.6 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1831,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1831\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"For men who are addicted to smoking, quitting smoking has always been a slogan they often shout. But the fact is that after quitting for a few days, they start smoking again when they encounter the right place or occasion. This goes on and on, and quitting smoking is just a...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1832,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1832\nTitle: \"The most effective way to quit smoking\"\nSummary: \"Take enough rest and have a regular life when quitting smoking; 4. Take a walk outside after meals and take deep breaths for 15 minutes; 5. Do not drink stimulating beverages, drink milk, juice and cereal drinks instead; 6. Try to avoid eating poultry and fried foods; 7. Eat more vitamin B...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.73 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1833,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1833\nTitle: \"What are the effective ways to quit smoking?\"\nSummary: \"People say smoking is bad and increases the chance of getting lung cancer, so why do we still see some centenarians smoking like crazy? Answer: 1. It is not easy to quit smoking by willpower, but it will be more difficult. After quitting smoking, there will be some withdrawal syndrome, especially mental...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1834,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1834\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"Compare prices, similar to the Wochacha function. Real-time translation, translating text through glasses. Eye exercises, by displaying content,... In this way, Google Glass may be able to achieve more unimaginable functions. Future Google Glass functions imagination Perspective function...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1835,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1835\nTitle: \"\u3010Google Glass\u3011What are the characteristics and functions of Google Glass? \u2014 Ask Knowledge\"\nSummary: \"Google recently launched a pair of glasses that can make calls and take photos. How much does it cost? ? It has been out for almost a year and is not currently sold to the public. It is only sold to a few developers and celebrities. The official price is $1,500. If you really want it, you can find it on eBay abroad...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.42 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":1836,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1836\nTitle: \"What functions does Xiaobai ask Google Glass for help? _Home life decoration | Yiqi.com decoration\"\nSummary: \"But the price will definitely be much higher. The price comes from the Internet for reference only (2017-11-07 lingling8826) No need... Hello, as far as I know, the functions of Google Glass include a lot of high-tech, including Bluetooth, Wi-Fi, speakers, camera...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1837,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1837\nTitle: \"Google Glass Chinese Function Simple Operation Instructions - First Electric Network\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and can control taking photos, video calls, and directions through voice, as well as surfing the Internet.\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1838,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1838\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"What are the functions of Google Glass 3? The application functions of Google Glass are: Feature 1: Small but powerful Google Glass includes... Problems with Google Glass? When will Google Glass be available in China? To get the latest news from the official website, the latest sales price is basically...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1839,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 75.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1839\nTitle: \"iPhone 6 may not be able to enter the mainland within this year, and the price of parallel imports has reached 20,000 | Zhongguancun | Apple | iPhone_Communications and...\"\nSummary: \"September 17, 2014 - Currently, the iPhone 6 series has passed the model approval of the National Radio Administration and the domestic 3C certification. As long as it obtains the network access license issued by the Ministry of Industry and Information Technology, it can be launched in the domestic market. The reporter contacted China Unicom and...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.37 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":1}
-{"id":1840,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 75.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1840\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"The largest Chinese mainland market has not yet been able to get the iPhone 6 and plus versions, but we believe this will not be long. The new iPhone 6 series will also be the best iPhone currently and will create a huge wave in the large-screen smartphone market. Apple is Apple...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.33 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1841,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 75.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1841\nTitle: \"iPhone 617 goes on sale in China, price of parallel imports drops to about 6,000 yuan_Today's Focus_Southern News\"\nSummary: \"October 6, 2014 - The price of 16G iPhone 6 is basically hovering around 6,000 yuan, which is a big drop compared to the previous high price of nearly 10,000 yuan. According to the Labor Daily, the news of iPhone 6 going on sale in China has been settled. After the Ministry of Industry and Information Technology confirmed that iPhone...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1842,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1842\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.55 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":1843,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1843\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The new iPhone will be available in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5,288 yuan and 6,088 yuan respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1844,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1844\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much is the iPhone 6 in Hong Kong? How much is the iPhone 6 in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively. The prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1845,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1845\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively, while the prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1846,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1846\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":1847,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1847\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The new iPhone will be available in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5,288 yuan and 6,088 yuan respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1848,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1848\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much is the iPhone 6 in Hong Kong? How much is the iPhone 6 in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively. The prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1849,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1849\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively, while the prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1850,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 122.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1850\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.8 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1851,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 122.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1851\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"My tip: This method is suitable for friends with good financial conditions. The main places selling iPhones in Hong Kong are Broadway and Fortress, but... Online booking If you want to order on the official website in Hong Kong, you must first have a dual-currency credit card (visa,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1852,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Is there any customs duty for iPhone 6 imported into Hong Kong?\"\nQuery Dwell Time: 58.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1852\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15 of 2012.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.86 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":3}
-{"id":1853,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Is there any customs duty for iPhone 6 imported into Hong Kong?\"\nQuery Dwell Time: 58.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1853\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. ... [No.: 61496] Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country?\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.82 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1854,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 96.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1854\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1855,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 96.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1855\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"Can the Hong Kong version of iPhone 6 be used on the domestic network without root? Answers Views Today I saw news that the Hong Kong Apple official website is open... The Hong Kong version is A1586 for all networks, and can be used by all three operators. Cancel Comment lheeewwv Same as mine! You are now...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1856,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 96.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1856\nTitle: \"Does the Hong Kong version of iPhone 6 support China Telecom? A list of domestic networks supported by the Hong Kong version of iPhone 6 - Apple Q&A...\"\nSummary: \"A: Does the Hong Kong version of iPhone 6 support China Telecom? For domestic users who want to buy the Hong Kong version of the new iPhone 6, this is undoubtedly the most important question. According to Apple's official website, Hong Kong...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1857,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location and Opening Hours\"\nQuery Dwell Time: 169.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1857\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1858,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location and Opening Hours\"\nQuery Dwell Time: 169.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1858\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"[Opening hours] <br \/> Opening hours...\"\nSummary: \"nicegw's review of Chen Ming Swimming Pool (Tsinghua University Swimming Pool): [Opening hours] Session opening hours Notes Morning session Summer open 6:30-8:00 ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1859,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Tickets Swimming Card\"\nQuery Dwell Time: 47.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1859\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1860,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Tickets Swimming Card\"\nQuery Dwell Time: 47.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1860\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. This kind of swimming pool is... The ticket for students of our school is 7 yuan, and it only costs 5 yuan if you buy a card. It's worth it just to take a hot bath. I hope the bath...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1861,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries\"\nQuery Dwell Time: 165.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1861\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters Displacement 55,000 tons (standard 67,500 tons (full load)) Crew 1,960 people, 626 pilots, 40 staff, 3,857 rooms Power system ... Liaoning aircraft carrier Xiaoyan Basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1862,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 165.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1862\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters 10.5 meters Displacement 55,000 tons (standard) 61,390 tons (full load) Crew 1,960 people, pilots 626 people, staff 40 people, rooms 3,857 people... Developed on the basis of the Varyag aircraft carrier (Russian: \u0412\u0430\u0440\u044f\u0433; English: Varangian), in terms of overall design...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1863,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 165.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1863\nTitle: \"Is the Liaoning aircraft carrier outdated when it enters service? - Zhihu\"\nSummary: \"The original question was \"Is the Liaoning aircraft carrier outdated as soon as it was built?\" First, the Liaoning is not China's first aircraft carrier; its positioning... The number and performance of aircraft carriers actually depends on the national strategic demand for aviation combat systems, that is, whether a... This will greatly extend the strategic early warning depth of our country in the ocean direction. Secondly, based on the aircraft carrier's powerful intelligence reconnaissance capabilities and command...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 32.62 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":1864,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 165.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1864\nTitle: \"Liaoning aircraft carrier configuration and future domestic aircraft carrier speculation - Navy version - Super Base Military Forum - the most...\"\nSummary: \"The ski-jump deck of the Liaoning aircraft carrier has similar geometric parameters to the ski-jump deck of the Russian aircraft carrier Kuznetsov, but referring to the Kuznetsov... At the same time, it has a certain degree of deterrence effect on neighboring countries and regions. The aircraft carrier currently being built in China is definitely not the \"Liaoning\"...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 91.47 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1865,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1865\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1866,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1866\nTitle: \"... was officially handed over to service, and China has since gotten rid of its history of not having an aircraft carrier. As shown in Figure A, the Liaoning...\"\nSummary: \"On the morning of September 25, 2012, China's first aircraft carrier \"Liaoning\" was officially handed over for service. Since then, China has gotten rid of the history of not having an aircraft carrier. The picture above is a picture of the Liaoning aircraft carrier. On the morning of November 23, 2012, China's independently developed aircraft carrier...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.86 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1867,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1867\nTitle: \"With the official commissioning of China's first aircraft carrier, the Liaoning, the development of the People's Liberation Army has attracted worldwide attention. Please conclude...\"\nSummary: \"With the official commissioning of China's first aircraft carrier, the Liaoning, the development of the People's Liberation Army has attracted worldwide attention. Based on what you have learned, please answer the following questions: (1) For example, what is the significance of the historical event reflected in the oil painting titled \"Zhou Enlai's August 1st Decision\"? (2)...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1868,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1868\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1869,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1869\nTitle: \"The newly launched Liaoning is currently the most advanced aircraft carrier in the world - Mathematics - Grassroots Network\"\nSummary: \"The Liaoning is a medium-sized aircraft carrier with a displacement of 65,000 tons. Therefore, there is a criticism that why it is not a large aircraft carrier? The reason is that the contemporary naval concept is not that the larger the better, the current size is the best. And the United States...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 44.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1870,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1870\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.69 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1871,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 62.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1871\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.92 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1872,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1872\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1873,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1873\nTitle: \"Ice-breaking games for new employee training_Chinese Text Library\"\nSummary: \"Facts have also proved that training games that help new employees get to know each other and become familiar with the company can be a good way to achieve the goal of breaking the ice. In the field of training, games that can achieve the purpose of breaking the ice are called\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.34 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1874,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1874\nTitle: \"Ice-breaking game for new employee training_Chengzhi Development\"\nSummary: \"1. Carefully explain the purpose of the game and create an atmosphere. 2. Everyone stands in a circle, shoulders to shoulders, faces toward the inside of the circle. Everyone stands firmly with their front and back feet, hands forward, ready to push forward. 3. Choose one person to stand in the circle, close their eyes, and cross their hands in front of their chest. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 62.87 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":1875,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1875\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1876,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 146.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1876\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No matter spring, summer, autumn or winter, no matter how dry the weather is or how dry the land is, the water of Shengquan is always the same and gurgles. The spring water originates from a hundred miles away...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1877,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 146.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1877\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.7 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":1878,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 146.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1878\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"List of Beijing tourist attractions [National AAAA attractions] Temple of Heaven Ming Tombs Summer Palace Beijing Aquarium Badaling Great Wall Beihai-Jingshan Park Chinese Nationalities Garden China Science and Technology Museum Beijing Zoo Beijing Botanical Garden Beijing level attractions: Beihai...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.95 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1879,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 65.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1879\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.31 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1880,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 65.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1880\nTitle: \"Tianjin Fixed Gear Store\"\nSummary: \"Fixed gear spoke cards, a large number of styles for you to choose from, welcome to wholesale and order. Sorry for the inconvenience, I wish you good health, ... Tsinghua University (26) 3 3. Fudan University (237) 3 4. Shanghai Jiaotong University (10) 9 5. Sun Yat-sen University (33) ...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1881,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 46.35 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1881\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Group Reading FM Time Market More Douban Photography Douban Group Essence...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.33 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1882,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"How to buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 81.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1882\nTitle: \"[Buy fixed gear in physical store] Where is the physical store in Guangyuan where I want to buy fixed gear? - Ask Knowledge\"\nSummary: \"There is a physical store selling fixed gear near the west gate of Tsinghua University. Where is the fixed gear store in Wuhu? There is one in 1201, Unit 1, Building 5, Tianheyuan, Wuyi Square. Which physical store selling fixed gear in Luoyang is good? Save face. Where is the physical store selling fixed gear? [hum] Go to the general bicycle...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.13 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1883,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 117.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1883\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 76.42 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":1884,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 117.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1884\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Price Manufacturer Wholesale-Huyi.com\"\nSummary: \"Huyi.com collects 0 detailed data on fixed gear bicycle prices and provides you with advantageous factory wholesale prices, high-quality factory sources and brands. You can also find tableware, kitchenware, cooking utensils, bathroom appliances, bathroom small appliances, kitchen and bathroom daily chemicals...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1885,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 142.62 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1885\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 36.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1886,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 142.62 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1886\nTitle: \"Fixed gear bicycle price\"\nSummary: \"Entry-level fixed gear bike price Entry-level fixed gear bike price Fixed Gear is the same type of bicycle as TrackBike (track bicycle), but the riding area is not limited to the stadium. In Japan, there are track bicycle competitions in the form of classic gambling...\"\nRank: 18\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.43 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1887,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on baggage requirements\"\nQuery Dwell Time: 180.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1887\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 75.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1888,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on baggage requirements\"\nQuery Dwell Time: 180.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1888\nTitle: \"\u300aGeneral Requirements for the Number, Weight and Size of Checked and Carry-on Baggage on International Flights\u300b\"\nSummary: \"Generally, international flights require the number, weight, and size of checked and carry-on luggage. When traveling between Zone 1 and Zone 3 of IATA, the piece-rate system is adopted, stipulating that passengers in F\/C cabin can check in two pieces of luggage, each weighing no more than 32KG, and the size of each piece...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1889,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1889\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"All international flights departing from Central Japan International Airport (excluding arriving flights) Carry-on baggage (excluding checked baggage such as suitcases) Effective date Carry-on regulations Except for the following cases, it is prohibited to carry any liquid items exceeding 100 ml. Container...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1890,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1890\nTitle: \"Are there any restrictions on liquid checked baggage on international flights? - Mafengwo\"\nSummary: \"Mafengwo Q&A >Are there any restrictions on checked liquids on international flights? If you check your luggage when flying abroad, can the liquids inside be... 15622328117 Are there any restrictions on checked liquids on Scoot? Are there any requirements for liquid containers on international flights? Can international flights...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1891,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1891\nTitle: \"What are the requirements for liquids when checked in by plane? - Yue Travel\"\nSummary: \"It's an international flight. This year's aircraft security is very strict. I know that all liquids cannot be brought with you. What I want to know now is whether there are any regulations for checked liquids, such as the requirement that it cannot exceed 100ml. I want to know the latest requirements. Please let me know...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1892,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1892\nTitle: \"I have a question. International flights stipulate that the liquid in carry-on luggage cannot exceed 100ml. Is it a single...\"\nSummary: \"Each bottle is 100ml. Please note that it is the volume, not the actual amount. Strictly speaking, there is no limit to the total number, as long as it is reasonable. 5 or 6 will definitely be fine. Welcome to Northern Europe! I hope this post is useful to you: http:\/\/bbs.qyer.com\/thread-921691-...\"\nRank: 15\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1893,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 69.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 22.16 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1893\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.27 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":1894,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 69.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 15.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1894\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.22 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1895,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 69.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 13.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1895\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.7 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1896,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 145.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1896\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 52.35 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":1897,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 145.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1897\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1898,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6\"\nQuery Dwell Time: 35.83 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1898\nTitle: \"Hong Kong version iPhone 6\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone quotation iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.2 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1899,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 86.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1899\nTitle: \"How much is the Hong Kong version of Apple iPhone 6? - Mobile Phones - Wuyoukao.com\"\nSummary: \"The price information of Hong Kong version Apple iPhone 6 is released by Mobile Network. For more information about the price of Hong Kong version Apple iPhone 6, please visit 51Examination Mobile Channel.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1900,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 86.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1900\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"The price is also much higher than [View Details] Can Apple speed up the popularization? A brief analysis of what NFC can do 2014-11-13 It has to be said that every move of Apple can become the focus of the industry. This year's iPhone6 \u200b\u200bis also equipped with NFC features, through...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1901,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 86.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1901\nTitle: \"How much is the price of Apple iPhone 6? - Mobile Phone - 51Examination.com\"\nSummary: \"As the iPhone 6.s is about to be released, the price of this phone has also been reduced in the past few days. Today, it is only sold for 4550 yuan. The Hong Kong version supports national warranty. Interested friends can call the merchant for consultation. Apple iPhone 6. (Hong Kong version) [Reference price] ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1902,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 195.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1902\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1903,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 tariff\"\nQuery Dwell Time: 195.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1903\nTitle: \"All questions about iPhone 6 when shopping overseas: strategies, models, tariffs, shipping and warranty_Geek Overseas...\"\nSummary: \"How to solve the problem of shipping iPhone 6 from overseas? How to buy ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 168.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1904,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 132.27 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1904\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.66 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":1905,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 132.27 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1905\nTitle: \"[Transfer] Tsinghua Chen Ming Swimming Pool Swimming Card Love Swimming Love Life Shuimu Community\"\nSummary: \"University of Antwerp in Belgium recruits master's students (posted on behalf of others) qiuzhizhe Re: [News] Indonesian female bomber sentenced, suspected of radicalization during her stay in Taiwan NCKUer [Question] North Korea fired, how will Kaji Kazuaki respond? ? mashoko [News] Cross-Strait deadlock...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1906,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Swimming Card\"\nQuery Dwell Time: 120.72 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1906\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"Students on campus pay 7 yuan per time, but students off campus...\"\nSummary: \"Feather's Ya's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): 7 yuan per time for on-campus students, but it may be more expensive for off-campus students. There is music to accompany you while swimming. It is still very comfortable when there are few people, but most of the time it is really crowded...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.64 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1907,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Swimming Card\"\nQuery Dwell Time: 120.72 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1907\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1908,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Liaoning\"\nQuery Dwell Time: 185.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1908\nTitle: \"Chinese aircraft carrier | Liaoning aircraft carrier | Liaoning aircraft carrier forum | China aircraft carrier latest news | Liaoning aircraft carrier official...\"\nSummary: \"Liaoning Aircraft Carrier Forum is a forum for Chinese aircraft carrier enthusiasts!! Here are the latest news about Chinese aircraft carriers in 2013.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 31.73 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1909,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carriers of various countries around the world and the Liaoning\"\nQuery Dwell Time: 94.31 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1909\nTitle: \"Comparison of Liaoning and other aircraft carriers.doc\"\nSummary: \"Comparison of Liaoning with Aircraft Carriers of Various Countries.doc, Chinese version of \"Foreign Journal \"Liaoning\" and Aircraft Carriers of Various Countries\" Author: zuka21 took a whole afternoon, the pictures are too small, after translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1910,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carriers of various countries around the world and the Liaoning\"\nQuery Dwell Time: 94.31 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1910\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3172th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.05 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1911,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 61.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1911\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - So we chose this obsolete aircraft carrier as the starting point today for a certain purpose and strategic significance. Some experts and scholars even confidently said that if an incident occurs in the South China Sea, China will consider sending our existing navy to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1912,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 318.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1912\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.27 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":1913,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 318.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1913\nTitle: \"Icebreaker games collection - simple and fun icebreaker games - icebreaker games to get to know each other - Seven Dimensions Excellence Development\"\nSummary: \"Seven Dimensions Outward Bound Training China Outward Bound Training Association - The only executive director unit in Shenzhen Consulting phone: 0755-88864399 Home > Ice-breaking Games\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.44 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":1914,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 318.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1914\nTitle: \"Training Ice Breaking Games_Chinese Text Library\"\nSummary: \"Training Ice Breaking Games (13)_Higher Education_Education Zone. Including the methods and significance of ice breaking games 1. First meeting The first 3 minutes is the most important moment for you to leave a first impression on others. Similarly, before the training activity begins,... Training...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.73 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1915,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee icebreaker game\"\nQuery Dwell Time: 248.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1915\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1916,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee icebreaker game\"\nQuery Dwell Time: 248.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1916\nTitle: \"Ice-breaking Games for New Employees_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for the instructor) small plush toys, ping-pong balls, small plastic... This is...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 0.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1917,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee icebreaker game\"\nQuery Dwell Time: 248.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1917\nTitle: \"Fun games: the spice of on-the-job training_Human Capital Management_HRoot\"\nSummary: \"Just like breaking the thick ice in the winter. This \"ice-breaking\" game helps new employees relax and become willing to socialize and learn from each other. There are many kinds of ice-breaking games. Here is an ice-breaking game that allows people to get to know each other by making group resumes. This game can...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.46 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1918,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Vacation\"\nQuery Dwell Time: 83.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1918\nTitle: \"Small places around Beijing (excluding Beijing) during the National Day holiday - Mafengwo\"\nSummary: \"Mafengwo Q&A > During the National Day holiday, there are eight days of holiday in the vicinity of Beijing (excluding Beijing). I don\u2019t want to stay at home all the time. I want to ask if there are any niche places in the vicinity of Beijing (excluding Beijing) that are less crowded and not very commercialized...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1919,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Vacation\"\nQuery Dwell Time: 83.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1919\nTitle: \"Where to go during the May Day holiday in Beijing and surrounding areas - Questions and Answers - Backpack Rabbit makes it easier to make trips\"\nSummary: \"Where to have fun during the May Day holiday in Beijing and surrounding areas\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 37.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1920,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Vacation\"\nQuery Dwell Time: 83.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1920\nTitle: \"I only have two days off. Is there anything fun to do around Beijing? Besides Miyun, Huairou, etc...\"\nSummary: \"Mafengwo Q&A > I only have two days of vacation. Is there anything fun to do around Beijing? In addition to Miyun, Huairou, etc., please recommend. I only have two days of vacation. Is there anything fun to do around Beijing? In addition to etc., please recommend. 3965 views 0 people follow ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1921,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tianjin Qilihai Wetland Park\"\nQuery Dwell Time: 92.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1921\nTitle: \"Qilihai National Wetland Park Self-Guided Tour - Guide\/Route\/Map\/Comments - Tianjin Qilihai National Wetland Park...\"\nSummary: \"Tianjin Qilihai National Wetland Park Self-guided Tour, Qilihai National Wetland Park is located in the northeast of Tianjin, 30 kilometers from Tianjin City, 100 kilometers from Beijing, and 40 kilometers from Tangshan. Qilihai is an ancient sea approved by the State Council in 1992. ... National Wetland Park is located in the northeast of Tianjin, 30 kilometers from Tianjin City, 100 kilometers from Beijing, and 40 kilometers from Tangshan. Qilihai National Wetland Park is located in the northeast of Tianjin, 30 kilometers from Tianjin City, and 100 kilometers from Beijing.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.7 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":1922,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tianjin Qilihai Wetland Park\"\nQuery Dwell Time: 92.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1922\nTitle: \"What are the characteristics of Tianjin Qilihai Wetland Park? When is the best time to visit Qilihai Wetland Park? ...\"\nSummary: \"I want to go out for a trip and relax recently, so I want to learn more about the situation first. I want to know what are the characteristics of Tianjin Qilihai Wetland Park? When is the best time to go to Qilihai Wetland Park? Questioner: Shui Yingyue\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1923,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1923\nTitle: \"Cool places around Beijing, good places for health travel in Beijing in summer_Huairou_Qiangen.com\"\nSummary: \"Cool places around Beijing, good places for health tours in Beijing in summer | Xiangshui Lake Scenic Area is located on the west side of Mutianyu Great Wall in Huairou District, 78 kilometers away from Beijing, covering an area of \u200b\u200b18 square kilometers. It is a suburban Beijing area with mountains, rivers, the Great Wall as the main feature, food, accommodation, entertainment as one, and health tour as the feature...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.86 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":1924,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1924\nTitle: \"Fun places around Beijing in summer_Fun places around Beijing-West Beijing Grassland Huazai Club_...\"\nSummary: \"It\u2019s the annual summer vacation again. After a hard semester, why don\u2019t you take advantage of this vacation to go out and relax yourself? Summer travel is definitely the first theme. Today I recommend you some good places to escape the heat in China during the summer vacation. In fact, around Beijing...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1925,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1925\nTitle: \"[Travel Guide] A complete guide to travel around Beijing in the hot summer\"\nSummary: \"The right thing to do is to relax yourself during the holidays and get closer to your family and friends. Although it has been raining in Beijing for several days, it still can't resist the scorching heat waves. How to choose a way to have fun in the summer? Today...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1926,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1926\nTitle: \"Summer escape: Six great seaside destinations around Beijing (Part 3)_NetEase Travel\"\nSummary: \"In fact, in addition to these, another major feature of Leting is that it has rich island tourism resources. The three islands of Leting - Bodhi Island, Yuetuo Island, and Jinsha Island, have now become one of the most popular summer seaside resorts around Beijing.\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1927,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Western Beijing Grassland\"\nQuery Dwell Time: 25.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1927\nTitle: \"How about Jingxi Grassland\"\nSummary: \"How is Jingxi Grassland? Bafang Resources Network gathers many suppliers, buyers and manufacturers. This is the detailed page of Jingxi Grassland. Self-driving route: Starting from downtown Beijing, take the Badaling Expressway at Madian Bridge on the North Third Ring Road, pass Yan...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1928,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Western Beijing Grassland\"\nQuery Dwell Time: 25.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1928\nTitle: \"Jingxi Grassland_Jingxi Grassland Western Mazai Club|Jingxi Grassland_Jinquan.com\"\nSummary: \"Horse riding places in the suburbs of Beijing. The Western Horse Club of Jingxi Grassland: Mr. Zhang (TEL: 13932393850) is dedicated to serving you. Jingxi Grassland, Beijing horse riding, Beijing horse riding places, the cheapest horse riding places in Beijing, Kangxi Grassland, Kangxi Grassland...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1929,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qinhuangdao\"\nQuery Dwell Time: 119.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1929\nTitle: \"Qinhuangdao Tourism_Qinhuangdao Tourism Guide in December_Hebei Qinhuangdao Tourist Attractions_Qinhuangdao Tourism Network\"\nSummary: \"Qinhuangdao Xinxin Tourism Network provides travel guides and tourism services such as recommended tourist attractions in Qinhuangdao, Hebei, December Qinhuangdao travel guides, Qinhuangdao travel agencies, Qinhuangdao travel routes, Qinhuangdao hotel reservations, Qinhuangdao tourist maps, etc. Xinxin Tourism Network...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1930,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beidaihe\"\nQuery Dwell Time: 28.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1930\nTitle: \"2017 Beidaihe Travel Guide - Qinhuangdao Beidaihe Self-guided Tour - Qinhuangdao Beidaihe Tickets, Transportation and Weather...\"\nSummary: \"Provide the latest 2017 Beidaihe travel guide, including a detailed introduction to Beidaihe attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1931,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Haidian\"\nQuery Dwell Time: 99.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1931\nTitle: \"Rainbow Fixed Gear Bicycle DIY Store, Beijing Rainbow Fixed Gear Bicycle DIY Store Phone Number_Address_Beijing Address...\"\nSummary: \"Introduction to Rainbow Fixed Gear Bicycle DIY Store: The address of Rainbow Fixed Gear Bicycle DIY Store is Weigongcun Road, Haidian District... Second-hand houses, rental houses, shopping malls, leisure and entertainment, beauty and fitness, convenience services, medical and health care, etc. are all around Rainbow Fixed Gear Bicycle DIY Store.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.96 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1932,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 97.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1932\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1933,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 97.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1933\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 31.26 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":1}
-{"id":1934,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Cool flying\"\nQuery Dwell Time: 38.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1934\nTitle: \"Home - Cool Death Flying - Taobao\"\nSummary: \"Taobao, Shop, Wangpu, Cool fixed gear aluminum alloy bicycle stand fixed gear kick stand\/parking rod\/side support fixed gear hub 32 holes Taiwan Jiuyu loose bead hub fixed gear bicycle reverse riding hub loose bead hub fixed gear seat cushion color fixed gear seat cushion waterproof frosted surface high-end...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1935,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1935\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 93.69 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n","usefulness_score":3}
-{"id":1936,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1936\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Date (subject to the flight date) II. Scope of application 1. This preferential policy applies to baggage transportation segments (including sixth freedom rights transportation) that are subject to Air China's free baggage allowance rules according to IATA Resolution 302 \"Baggage Rules Selection Method\", i.e....\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1937,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1937\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - International Flight Baggage Regulations: What are the latest international flight baggage regulations in 2017? Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to America and Europe...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1938,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1938\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"The following weight restrictions apply to international flights to and from Asia and Japan: Economy Class is one piece of carry-on baggage plus checked baggage, the total baggage weight must not exceed 20kg; World Business Class total weight must not exceed 30kg; First Class must not exceed 40kg. Carry-on luggage...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1939,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage weight limit\"\nQuery Dwell Time: 115.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1939\nTitle: \"Carry-on baggage \u2013 What can I take on board as carry-on baggage? | Jetstar\"\nSummary: \"kg large hand luggage, plus a small carry-on item with a total weight of no more than 14 kg Hand luggage size restrictions Hand luggage (or business class luggage) must fit in the overhead lockers and each piece of luggage must not exceed 56 cm...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1940,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage weight limit\"\nQuery Dwell Time: 115.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1940\nTitle: \"[Luggage Weight Limit] What is the weight limit for luggage on an airplane? \u2014 Ask Knowledge\"\nSummary: \"As long as the hand luggage can fit into the cabin, it doesn't matter how heavy it is. You can carry as much as you can, haha~! And you have to make it look light! Most international flights currently require 2 large boxes per person (each under 23 kg) with a length + width + height of no more than 158CM, and you can carry as much as you want.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1941,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage weight limit\"\nQuery Dwell Time: 115.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1941\nTitle: \"Carry-on baggage: size and weight limits | Jetstar\"\nSummary: \"What are the size and weight restrictions for checked baggage? Booking Trip Planning Maximum Weight A single bag or item cannot exceed 32 kg. If you have a 35kg or 40kg baggage allowance, your baggage must be divided into at least two bags...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1942,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1942\nTitle: \"[What are the items that cannot be checked in] Airport security check - Mafengwo\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1943,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1943\nTitle: \"What do I need to check in and what can I bring with me? Travel World Liba Network - Year...\"\nSummary: \"Subject: What items need to be checked in and what items can be brought with you? I only know that items related to water need to be checked in. Do foundation cream, lipstick and other items need to be checked in? Thank you\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1944,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1944\nTitle: \"When do you need to check in your luggage when you take a plane?\"\nSummary: \"If it exceeds, it must be checked in. Passengers must check in their luggage with a valid ticket. The carrier should... What should you pay attention to when you take a plane for the first time? How to pick up your checked luggage after getting off the plane... What should you pay attention to when you take a plane for the first time: 1. Check in your luggage. Before picking up your ticket...\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1945,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1945\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that things like nail clippers and scissors must be checked, and documents and medicines must be carried with me, so shower gel and hair lotion... Put a large handbag outside the laptop to put some other things in 2. Carry a large backpack (not a roller backpack),...\"\nRank: 20\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1946,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 86.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1946\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.42 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":1947,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 86.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1947\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.61 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":1948,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 86.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1948\nTitle: \"The benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking (1) Be a good role model for your family and friends. Remember: if the elders smoke, the younger ones will imitate them; if the children smoke, the parents will be sad; if you offer cigarettes to each other, both sides will suffer. (2) Be determined to break free from the shackles of smoking. After quitting, you can reduce the impact of smoking on your body and mind...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1949,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 50.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1949\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.53 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":1950,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 50.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1950\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.12 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":1951,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1951\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.25 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":1952,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1952\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"Effective ways to quit smoking 3. Firmly refuse the temptation of cigarettes and remind yourself frequently that smoking one more cigarette is enough to ruin your plan to quit smoking. Avoid participating in places or activities where people usually smoke. Effective ways to quit smoking 4. Drink water, eat fruit or...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":1953,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1953\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, the most effective way to quit smoking, the most effective way to quit smoking, quit smoking patches, quit smoking medicines, quit smoking candies, e-cigarettes, quit smoking mouthpieces, quit smoking teas and other quit smoking products and quit smoking service information.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.64 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1954,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"E-cigarettes Quit smoking\"\nQuery Dwell Time: 54.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1954\nTitle: \"Using e-cigarettes to quit smoking? You may not be able to achieve your goal - Sohu Finance\"\nSummary: \"March 10, 2015 - \"There is currently no research evidence to prove that e-cigarettes can help smokers quit smoking.\" Feng Danlong, member of the National Committee of the Chinese People's Political Consultative Conference and director of Pfizer China's corporate affairs department, told the reporter of China Business News, \"No government agency...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1955,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 247.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glasses\"\nQuery Dwell Time: 115.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1955\nTitle: \"\u3010Googleglass 3\u3011Price_Parameters_Pictures_Forum_GoogleGoogle...\"\nSummary: \"Zhongguancun Online (ZOL.COM.CN) provides the latest price of Google glass 3 smart glasses, including Google glass 3 pictures, Google glass 3 parameters, Google glass 3 evaluation market...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 86.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1956,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 247.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass 3 Function\"\nQuery Dwell Time: 114.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1956\nTitle: \"What isGoogle Glass? - Definition from Techopedia\"\nSummary: \"GoogleGlassDefinition - GoogleGlassis the name for a type of wearable computer created by the Google's ProjectGlass.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1957,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone6\"\nQuery Dwell Time: 57.93 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1957\nTitle: \"\u3010iPhone6\u3011When will iPhone6 \u200b\u200bbe released_iPhone Air pictures_price-ZOL Zhongguancun...\"\nSummary: \"iPhone 6 mobile phone zone, the first release of iPhone 6 mobile phone launch time, and provide iPhone 6 pictures, prices, parameters, reviews, forums and other information, to provide you with reference for purchasing iPhone 6 mobile phone\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1958,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Price\"\nQuery Dwell Time: 67.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1958\nTitle: \"\u3010Apple iPhone 6 Series\u3011Price_\uff08Apple\uff09Apple iPhone 6 Series Mobile Phones...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1959,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 77.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1959\nTitle: \"National Apple iPhone6 \u200b\u200bInternational Version\/Dual 4G Mobile Phone Hong Kong Version 16GB Quote - National Apple iPhone...\"\nSummary: \"Zhongguancun Online (zol.com.cn) provides national quotes for Apple iPhone 6 International Edition\/Dual 4G Kit Hong Kong Edition 16GB, and also includes national dealers, national market conditions, and product images of Apple iPhone 6 International Edition\/Dual 4G Kit Hong Kong Edition 16GB...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1960,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 77.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1960\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.09 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":1961,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong\"\nQuery Dwell Time: 150.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1961\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"With the iPhone 6 being launched in Hong Kong, China, many Apple fans have already been waiting at the official Apple flagship stores in Hong Kong. Where can iPhone 6 be bought in Hong Kong? How to get there? Let's take a look. 1) IFC Store Address: IFC...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.66 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":1962,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong\"\nQuery Dwell Time: 150.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1962\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - If you have a friend in Hong Kong, he will buy something for you and bring it back to China without paying taxes. If you are looking for a purchasing agent, then taxes may be charged. You may or may not have to pay taxes when the courier brings it back. Let's take a look at...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.09 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":1963,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Release Price\"\nQuery Dwell Time: 43.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1963\nTitle: \"Apple iPhone 6 release date and price revealed | Log | Guokr.com Technology is interesting\"\nSummary: \"6 version, but judging from the unchanged price, it should be the version with a 4.7-inch touch screen. It is worth mentioning that the previous rumor that iPhone 6 will be mass-produced in July seems to have been confirmed. According to Taiwan's Economic Daily News...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.44 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":1964,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1964\nTitle: \"Do I need to pay customs duties when I buy a mobile phone from Hong Kong and bring it back to the mainland? - Hong Kong, Macau and Taiwan - Backpack Rabbit makes it easier to make trips\"\nSummary: \"Do I need to pay customs duties when I buy a mobile phone from Hong Kong and bring it back to the mainland?\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1965,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1965\nTitle: \"Do I have to pay customs duties if I buy a mobile phone for personal use in Hong Kong? - Zhihu\"\nSummary: \"Log in Join Zhihu Do I have to pay customs duties if I buy a mobile phone for personal use in Hong Kong? Buying Apple in Hong Kong Show all Followers Viewed \u200b Add a comment \u200b Share \u200b Invite to answer Follow the question Write an answer Anonymous user I use it myself, just disassembled it, activated it, and it was fine 0 \u200b...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1966,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1966\nTitle: \"What should I do if a mobile phone I bought from Hong Kong is detained by customs and I have to pay customs duties? - Related issues - 110.com Legal Consulting\"\nSummary: \"Related questions: What should I do if a mobile phone I bought from Hong Kong is detained by customs and I have to pay customs duties? I added a friend 811778 who bought an Apple mobile phone. It was shipped from Hong Kong. I paid 4,000 yuan. In the afternoon, the customer said that it was detained at the customs and I had to pay 2,600 yuan in customs duties. After talking for ten minutes...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.78 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1967,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1967\nTitle: \"Do I have to pay customs duties for the items I buy when I leave Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Do I have to pay customs duties for things I buy when I leave Hong Kong? My BF and I returned from China on the 30th. When we passed through Shenzhen Customs, we were stopped and asked to pay 10% personal income tax. How is this tax collected? Although I have already paid it,...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1968,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1968\nTitle: \"Do I need to pay customs duty when buying a mobile phone from Hong Kong? How much is it? ? - Related Questions - 110...\"\nSummary: \"I bought a mobile phone online. The seller was from Hong Kong. He said that I had to pay 500 yuan in customs duty, which would be refunded after customs. I bought a mobile phone online. It was shipped from Hong Kong. I also talked about customs fees and taxes, which totaled 800 yuan. I bought a mobile phone online. Online...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.19 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":1969,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone network support\"\nQuery Dwell Time: 79.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1969\nTitle: \"Don't ask these 5 questions when buying a mobile phone in Hong Kong\"\nSummary: \"Although there are many mainland consumers who come to Hong Kong to buy mobile phones, the business source of the store in Sin Tat Plaza is still from Hong Kong... So when buying a mobile phone, you must ask whether the model you are looking at supports simplified Chinese display + input. 4. \"This...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 59.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1970,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone network support\"\nQuery Dwell Time: 79.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1970\nTitle: \"Can people from the mainland buy mobile phones on the Hong Kong Apple official website? - Apple iPhone 7s (all network compatible) - ZOL Q&A...\"\nSummary: \"Can people from the mainland buy mobile phones on the Hong Kong Apple official website? Can people from the mainland buy mobile phones on the Hong Kong Apple official website? Views Followers ... Apple A11 Network Type Memory Report Thank you for your contribution to the harmony of the community. Please select the report type. Report successfully.\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1971,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version mobile phone domestic operator\"\nQuery Dwell Time: 121.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1971\nTitle: \"Can Hong Kong version mobile phones use domestic mobile phone cards? - _New Knowledge Information\"\nSummary: \"Can Spanish SIM cards be used in China? ... Spanish SIM cards may not be used in China, and some mobile phones do not support them. The Telecom version of iPhone 5 cannot be used with foreign... Can mobile phones purchased in China use Hong Kong cards? ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1972,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version mobile phone domestic operator\"\nQuery Dwell Time: 121.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1972\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 80.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1973,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version mobile phone domestic operator\"\nQuery Dwell Time: 121.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1973\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.07 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":1974,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone6 TD-LTE\"\nQuery Dwell Time: 43.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1974\nTitle: \"... 4G\u3011About TD-LTE\/FDD-LTE and mobile phone model selection. . \u3010iphone6...\"\nSummary: \"\u3010Popular Science Post\u3011\u30104G\u3011What is the difference between TD-LTE and FDD-LTE? Which one is better? \u30101\u3011TD-LTE is a 4G network standard. Its full name in English is Time Division LongTerm Evolution, which means \"time-division long-term evolution\" in Chinese.\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1975,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1975\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.09 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1976,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1976\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.01 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":1977,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1977\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":1978,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1978\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.05 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":2}
-{"id":1979,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1979\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.64 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":2}
-{"id":1980,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1980\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.86 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":1981,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 20.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1981\nTitle: \"How to get to Tsinghua University Swimming Pool by car?\"\nSummary: \"Post number: 3 Page: Share to: Article topic: How to drive to Tsinghua University Swimming Pool? Jason Identity User Article Zodiac Pisces Points Level Nanmu (12) Sender: jason04 (jason), Message area: Swimming From...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":1982,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 344.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1982\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.47 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":1983,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic position\"\nQuery Dwell Time: 116.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1983\nTitle: \"Blind men touching an elephant and aircraft carriers 1 The strategic position of aircraft carriers Where are you, Chinese aircraft carriers? \ue43e ---\"\nSummary: \"WriterFrom:218.79.228.* Blind Men Touching the Elephant and Aircraft Carriers 1. Strategic Position of Aircraft Carriers Where are Chinese aircraft carriers? \ue43e, I went online and saw another uproar about aircraft carriers. In summary, it is about how to view aircraft carriers as a main combat weapon. I think that isolated...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":1984,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic position\"\nQuery Dwell Time: 116.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1984\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - We don't need to put the development of aircraft carrier strategy at the top of the list, nor do we need to blindly believe that aircraft carriers will play a special role in the strategic landscape in the future. So today I would like to share with you the upcoming first aircraft carrier from China...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1985,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 251.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1985\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The commissioning of the first ship Liaoning marks the entry of my country's navy into the aircraft carrier era, which has a milestone strategic significance. Why does my country need to build and develop aircraft carriers, and what impact will aircraft carriers have on my country's naval modernization? Key...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":1986,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 251.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1986\nTitle: \"The strategic significance of aircraft carriers to China is always more important than actual combat (original) - Naval Forum - Tiexue Community\"\nSummary: \"http:\/\/bbs.tiexue.net\/post_2895118_1.html Share to: Share to: This post has earned work points: 506 This post has earned gold coins: 0 This post has earned work points: 506 This post has earned gold coins: 0 The strategic significance of aircraft carriers to China is always more important than actual combat (...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":1987,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"US aircraft carrier Liaoning\"\nQuery Dwell Time: 89.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1987\nTitle: \"Japanese media claimed that China's Liaoning was no match for the US aircraft carrier and was helpless in the South China Sea | China | South China Sea | Liaoning_New...\"\nSummary: \"December 11, 2015 - The performance is far superior to the J-15 fighter jet (a copy of the Russian Su-33) that is expected to be carried on the Liaoning. ... It will be escorted by frigates with strong anti-submarine capabilities (ASW). The US Navy has already...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 64.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1988,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 508.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1988\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 382.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":2}
-{"id":1989,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 508.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1989\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.69 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":1990,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 508.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1990\nTitle: \"Icebreaker games collection - simple and fun icebreaker games - icebreaker games to get to know each other - Seven Dimensions Excellence Development\"\nSummary: \"Seven Dimensions Outward Bound Training China Outward Bound Training Association - The only executive director unit in Shenzhen Consulting phone: 0755-88864399 Home > Ice-breaking Games\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 83.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":1991,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games Interview\"\nQuery Dwell Time: 180.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1991\nTitle: \"Interview Workshop Icebreaker Game | Beijing Yiwei Youth Charity Development Center\"\nSummary: \"The trainer also participates in the game after the first round of instructions are issued, and the person left alone can issue the next instruction. 6. What does chewing gum stick to? Time: 10 minutes Steps: Ask the participants to form a circle in the center of the venue and walk clockwise or counterclockwise together. The trainer...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 32.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1992,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games Interview\"\nQuery Dwell Time: 180.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1992\nTitle: \"Icebreaker Games Classification Summary (Group Edition 103 Games)\"\nSummary: \"Primary school Chinese extracurricular knowledge accumulation Primary school mathematics basic knowledge summary (grades 1 to 6) [Calligraphy secrets] Running script radical writing brushwork secrets Ice-breaking game classification summary (group version 103 games) New Oriental teaching assistant interview (Part 2) o (\u2229\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 124.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":1993,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 299.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1993\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 270.24 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":1994,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism one week\"\nQuery Dwell Time: 165.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1994\nTitle: \"Beijing One-week Self-guided Tour_Beijing Self-guided Tour Guide\"\nSummary: \"These days, the kids are on holiday and we are free, so we decided to travel to Beijing for a few days to feel the Olympic atmosphere. D1 Day For some reason, the air tickets from Hangzhou to Beijing are relatively cheap these days. We bought Air China's 30% off...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":1995,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Yanqing Tourism\"\nQuery Dwell Time: 267.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1995\nTitle: \"Yanqing tourist attractions list Yanqing tourist attractions\"\nSummary: \"Yanqing Tourist Attractions Yanqing Tourist Attractions, the following is a list of Yanqing tourist attractions, and I recommend you several tourist attractions. Yanqing is a county in Beijing, located in the northwest of Beijing, surrounded by mountains on three sides and facing the water on one side. The ecological environment...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 162.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":1996,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Yanqing Tourism\"\nQuery Dwell Time: 267.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1996\nTitle: \"Yanqing Tourism Network\"\nSummary: \"Provide Yanqing area tourist attractions, food, hotels, tourism investment, festivals, etc. Beijing Badaling National Forest Park closure notice Green Fulong Sightseeing Park closure notice Beijing Wild Duck Lake National Wetland Park closure notice Baili Landscape Gallery Scenic Area 2017...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 78.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1997,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 431.69 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Haidian District\"\nQuery Dwell Time: 256.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1997\nTitle: \"Beijing 114 Life Network_Beijing Fixed Gear Bicycle Shopping Center_Merchant Discounts_Sort by Time\"\nSummary: \"All fixed gear bicycles are considered group purchases of two or more (including two), and all DIY fixed gear bicycles of different prices in the store can be included in the group purchase (not valid with other promotions in the store) [Warm Tips] 114 Life Network members can receive free coupons, enter with the code...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":1998,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 431.69 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Haidian District\"\nQuery Dwell Time: 256.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1998\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"The quality of the fixed gear bicycle must be ensured before it can fly,... When a fixed gear bicycle hits a car, the loss is worth... Should I buy a fixed gear bicycle as a whole or do it myself... Address of a fixed gear store in Hangzhou Address of a fixed gear store in Shanghai Where is the fixed gear store in Beijing? Fixed gear...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 63.56 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":1999,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 431.69 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 83.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1999\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 75.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2000,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 249.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 231.03 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2000\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.1 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":2001,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 264.23 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2001\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.92 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2002,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 264.23 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 131.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2002\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.36 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":1}
-{"id":2003,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 264.23 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 63.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2003\nTitle: \"Introduction to smoking cessation methods\"\nSummary: \"This method is worth trying when other methods have failed. \"I started to quit smoking with the help of the patch. Later I used 2mg nicotine gum instead of the patch. So far, I have been using nicotine replacement for 8 months. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2004,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 201.89 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 138.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2004\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 120.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2005,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 201.89 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 49.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2005\nTitle: \"Google: The correct way to use Google Glass: Micro-interaction - Internet - Vision Forum - Microsoft Geeks...\"\nSummary: \"According to the BBC, Google recently warned people not to use Google Glass for a long time because it may cause pain. Google said that Google Glass is not for reading \"War and Peace\" and the eyes need time to adapt. Previously, some users complained that wearing Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.16 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":2006,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in China\"\nQuery Dwell Time: 94.03 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2006\nTitle: \"What is the current price of iPhone 6 in China? _Computer Network Questions_Tubatu Ask\"\nSummary: \"Tubatu Decoration Q&A platform provides netizens with answers to various questions such as \"What is the current price of iPhone 6 in China?\" Tubatu Decoration Q&A gathers the decoration experience and wisdom of 6 million owners, and quickly solves decoration confusion\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 43.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2007,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 282.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2007\nTitle: \"What is the price of iPhone 6 in Hong Kong? How to use the quotation of iPhone 6 in Hong Kong? Price of iPhone 6 in Hong Kong...\"\nSummary: \"What is the price of iPhone 6 in Hong Kong? Hong Kong version iPhone 6 quotation enter the software page\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 129.39 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2008,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 282.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2008\nTitle: \"How much is the iPhone 5S iPhone 6 in Hong Kong? - Hong Kong - 16 Fan\"\nSummary: \"[Shopping] How much is the iPhone 5S and iPhone 6 in Hong Kong? I will be going to Hong Kong next week. I wonder what the current prices of iPhone 5s and iPhone 6 are. Can I check the prices on Apple's Hong Kong official website? How to post pictures? When I went to buy a few days ago, I saw the price...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2009,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 282.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2009\nTitle: \"Is there still hope for scalpers? iPhone 6 prices in mainland China are more than 800 yuan higher than in Hong Kong\"\nSummary: \"To the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in the mainland are more than 800 yuan and 1,000 yuan higher than those in Hong Kong. Yesterday, the reporter logged into Apple's official website and saw that iPhone 6 and iPhone 6 Plus will start pre-sale on October 10,...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2010,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase\"\nQuery Dwell Time: 314.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2010\nTitle: \"About iPhone 6 Hong Kong Purchase - Hong Kong - 16 Fan\"\nSummary: \"1. Can I queue up to buy it in a Hong Kong direct-sale store now? 2. When will Fortress and other electrical appliance chains sell it at full price? 3. Is the inspection strict after passing through the customs? Thank you for your reply!\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2011,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase\"\nQuery Dwell Time: 314.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2011\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13-12, 2014 was the first day that Apple Inc.'s iPhone 6 and iPhone 6 Plus were available for online purchase in the Hong Kong market. It was less than 72 hours before Apple CEO Tim Cook released the two latest products, and Hong Kong...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2012,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tax return\"\nQuery Dwell Time: 56.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2012\nTitle: \"Hong Kong man hid 8 iPhone 6s in 3 pairs of underwear, but was discovered by Shenzhen Customs - China News Service\"\nSummary: \"September 24, 2014 - In a joint anti-smuggling operation at the Hong Kong Customs Luohu Control Station, Luohu Customs seized two men who used their underwear to hide three iPhone 6 phones before entering the country. They need to declare taxes to the customs before entering the country. As the new Apple phones are still...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2013,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 189.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 123.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2013\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 113.9 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2014,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 189.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Address\"\nQuery Dwell Time: 24.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2014\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2015,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 439.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2015\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 180.82 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2016,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Significance\"\nQuery Dwell Time: 249.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2016\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The significance of the construction of the Liaoning aircraft carrier Liaoning aircraft carrier, referred to as \"Liaoning\", hull number 16, is a Chinese... The handover and commissioning of the first Liaoning aircraft carrier marks the entry of the Chinese navy into the aircraft carrier era, which has a milestone strategic significance. my country is...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 239.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2017,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 160.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2017\nTitle: \"Liaoning and Vikramaditya, which one is more powerful? - Zhihu\"\nSummary: \"India can basically be considered to have an all-Russian weapon system. Except for the hull, the Liaoning is basically China's own weapons... The crushing of the entire system is the fundamental. It is not determined by the pros and cons of a certain weapon. So, just because the Indians like to play...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 27.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2018,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 160.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2018\nTitle: \"Aircraft carrier in-depth: a comprehensive analysis of the advantages and disadvantages of Liaoning and India's second-hand aircraft carrier decks In-depth analysis: F22 launch...\"\nSummary: \"WriterFrom:218.25.17.* In-depth: Comprehensive analysis of the advantages and disadvantages of Liaoning and India's second-hand aircraft carrier decks In-depth analysis: Advantages of the square nozzle design of the F22 engine, Sina Military Editor: In order to better present readers with diverse military content and satisfy readers...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 113.57 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2019,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 249.03 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"An icebreaker game suitable for new employee training with about ten people\"\nQuery Dwell Time: 232.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2019\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Introduction: Generally, the game books we buy will classify the games. Then I will find roughly related games in the classification according to the needs of the course and choose them as team icebreaker games for employee training. The following is a collection of recent graduates...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 94.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2020,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 249.03 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"An icebreaker game suitable for new employee training with about ten people\"\nQuery Dwell Time: 232.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2020\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"A complete collection of indoor and outdoor group training games for icebreakers 1. Bundling to pass - (Applicable: team collaboration) Brief description: By being tied... Minimum ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2021,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 249.03 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"An icebreaker game suitable for new employee training with about ten people\"\nQuery Dwell Time: 232.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2021\nTitle: \"Training Ice Breaking Games Collection - MBA Think Tank Documentation\"\nSummary: \"The number of participants should not be less than 10. 2. Big Wind Game Type: Icebreaker Number of participants: No limit Game time... Ask him to draw a humorous sketch for each student (and trainer) and post these drawings in the appropriate place... and just observe from the side. Editor's Tips \u00b7 This is a pure icebreaker game, simple and easy to play, and the atmosphere is very...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2022,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 343.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tourist destinations around Beijing in May\"\nQuery Dwell Time: 130.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2022\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.81 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2023,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 343.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Nangong Ecological Tourism Resort\"\nQuery Dwell Time: 156.83 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2023\nTitle: \"Nangong Tourist Attractions\u3010Official\u3011\"\nSummary: \"Beijing Nangong Scenic Area is a four-star tourist attraction that integrates food, accommodation, travel, entertainment, shopping and conferences. Qianlong Mountain, Qinglong Lake, Temperature Resort Hotel, Parrot Park and Bayi Film and Television Base are all worth your visit.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2024,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy a dead fly\"\nQuery Dwell Time: 69.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2024\nTitle: \"Fixed Gear Bicycle Official Website\"\nSummary: \"Most of the fixed-planes that flow in through this channel are high-end fixed-planes, or fixed-planes designed specifically for competitions. It is possible that the price of a genuine fixed-plane is over 10,000 yuan. It is not recommended for general beginners to buy fixed-planes through the last channel. I think the quality of domestic OEM fixed-planes is poor...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 43.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2025,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when riding a fixed gear\"\nQuery Dwell Time: 141.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2025\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"But fixed gear is not like other models. X-TASY bicycles want to tell you that beginners should pay special attention to the following 3 points when learning fixed gear: 1. Before use, be sure to read the instructions and precautions first; understand its performance, be sure to...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 92.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2026,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Price range of fixed gear\"\nQuery Dwell Time: 60.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2026\nTitle: \"Lennox z001 outdoor sports road bike disc brake 26 inch fixed gear road bike fixed gear riding...\"\nSummary: \"Price range \u00a5 Color Brand: LAYNOS Category: Fixed Gear Frame Material: Other Applicable People: General Can it be braked: Cannot be braked All Merchants Deliver to: Default Evaluation Price\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2027,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of dead fly\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2027\nTitle: \"Fixed flight price\"\nSummary: \"Jason explained that the entry-level fixed-gear bikes sold in his bike shop usually cost 2,000 to 3,000 yuan. Why is there such a big price difference with low-priced bikes? Jason believes that the material and workmanship are the main reasons. Entry-level fixed-gear bikes usually...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2028,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of dead fly\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2028\nTitle: \"Fixed flight price\"\nSummary: \"For all kinds of fixed gear matching problems, please add the fixed gear player master WeChat: kusifei Welcome all new friends who love fixed gear to join, enjoy one-to-one service, and can help you solve all kinds of fixed gear problems! ! ! I believe that friends who have played fixed gear bicycles will have a feeling...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2029,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of dead fly\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2029\nTitle: \"[Fixed Gear + Price] Who knows the price of a fixed gear? - iAsk...\"\nSummary: \"[Fixed Gear + Price] Does anyone know the price of a fixed gear? About 3000 yuan, this is what I heard from my friend, she just wants to buy one.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2030,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 192.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage, weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, and which items must be checked\"\nQuery Dwell Time: 177.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2030\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights? When taking international flights, the total weight of carry-on luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40... If the weight or volume exceeds the above limit, it should be checked in as checked baggage. Items that passengers are prohibited from carrying or checking in, including...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2031,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 397.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2031\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 266.83 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":2032,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 397.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2032\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 111.44 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2033,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 360.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2033\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 187.02 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":2034,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 360.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2034\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 36.97 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":0}
-{"id":2035,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 360.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2035\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2036,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 249.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2036\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 180.26 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":2037,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Electronic cigarettes\"\nQuery Dwell Time: 249.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2037\nTitle: \"Interesting ways to quit smoking\"\nSummary: \"Seven ways to quit smoking during the first five days of the most difficult period (1) Drink 6-1.8 cups of water between meals to help excrete nicotine from the body. (2) Take a warm bath every day, and...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.25 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":2038,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 117.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2038\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.28 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":2039,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 117.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2039\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2040,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 79.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2040\nTitle: \"Google releases a beginner's guide to Google Glass to help users master how to use it - Google - Technology News - Artificial Intelligence...\"\nSummary: \"Beijing time, May 1, according to foreign media reports, Google released a video on Tuesday to help users master the use of Google Glass. The video shows that the legs of Google Glass have a touchpad - the...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 63.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2041,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2041\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2042,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2042\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.16 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":2043,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2043\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.33 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":2044,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2044\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 44.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2045,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass current price\"\nQuery Dwell Time: 34.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2045\nTitle: \"What is the price of Google Glass?\"\nSummary: \"\u6846\u6846\u62c6\u6311\u8f66 50567 views 122 latest answers (3 answers) Hello, Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking pictures, video calls, and directions through voice, as well as surfing the Internet...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.3 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2046,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 55.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2046\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.01 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2047,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 90.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2047\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, were not launched in mainland China, which led to Hong Kong... [The store currently does not accept direct purchases in line] [Store Introduction] Apple's second store in Hong Kong, located near the customs...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.89 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":2048,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring an iPhone I bought from Hong Kong back to China?\"\nQuery Dwell Time: 90.59 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2048\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China? The editor recommends the answer: No customs duties for one or two units, but for large quantities, they will be charged. Just bring the invoice when checking. The price must be NT$5,000. I'm not sure if you are aware of this specific answer...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2049,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring an iPhone I bought from Hong Kong back to China?\"\nQuery Dwell Time: 90.59 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2049\nTitle: \"How much is the tax to be paid when buying things in Hong Kong? Page 4 - Yue Travel\"\nSummary: \"Will I be required to pay tax when I bring my iPhone 7 from mainland China to Hong Kong? How many pairs of shoes can I buy in Hong Kong? What are the... Do I need to pay customs duties when I buy things in Hong Kong? What is the upper limit per person? If a family consists of two adults and one child... It depends on the transportation and whether you go to many places that require tickets. I think if I don't go shopping, three days...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2050,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The swimming pool in Tsinghua University\"\nQuery Dwell Time: 226.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2050\nTitle: \"Chen Ming Swimming Pool: Tsinghua's indoor swimming pool has a good environment, inside... Beijing Sports Fitness - Public...\"\nSummary: \"Even so, it is cheaper than ordinary swimming pools. Haha, I should go there often when I have time in summer. . Address: No. 30 Shuangqing Road, Haidian District, opposite the East Sports Ground of Tsinghua University. Tel: 010-62792475 Category: Wudaokou\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2051,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The swimming pool in Tsinghua University\"\nQuery Dwell Time: 226.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2051\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Beijing swimming pool rankings Phone: Area: Wudaokou, Haidian District, Beijing Address: No. 30 Shuangqing Road, Tsinghua University (near Wudaokou) People are talking about Jianfeng Brick Machine Tianjin Jianfeng Company is a professional manufacturer of unfired brick machines. If you need, please contact...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2052,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2052\nTitle: \"Chen Ming Swimming Pool: I often went swimming when I was in school, student price...... Beijing Sports Fitness - Public...\"\nSummary: \"I often went swimming when I was in school. The student price was quite cheap. The water quality was sometimes good and sometimes bad. I guess it was better when the water was changed. The disadvantage is that there are too many people. In summer, it is like dumplings. The biggest advantage is...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.81 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2053,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2053\nTitle: \"\u3010Chen Ming Swimming Pool\u3011Chen Ming Swimming Pool Group Purchase - Meituan.com\"\nSummary: \"At the same time, there are a variety of Chenming Swimming Pool group purchase packages for you to compare and choose, with super low discounts and high cost performance, helping you save money and worry. Meituan carefully creates many unique boutique group purchase products while giving back to users at the best price, allowing you to spend the least...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2054,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2054\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2055,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2055\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"Ji_Mi Yangguang's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The student price of 7 yuan is still very cheap, and there are often many people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, and there are diving...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2056,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 54.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2056\nTitle: \"I bought a swimming card at the swimming pool on August 1st, which allows me to swim 30 times at a price of...\"\nSummary: \"I applied for a swimming card at the swimming pool on August 1st, which allowed me to swim 30 times for 150 yuan. However, the swimming pool did not inform me of the validity period of the card. The card only had a handwritten expiration date of August 31st (without the year). At that time...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2057,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 242.25 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2057\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.94 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2058,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 103.76 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2058\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Q: Can you introduce the basic technical parameters of the Liaoning? Military News www.chnqiang.com A: The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. There are 10 floors below the main deck, the main...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2059,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning parameter information\"\nQuery Dwell Time: 187.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2059\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Performance parameters 3 Ship design 4 Development history 5 Design concept 6 Weapon configuration 7 Historical significance 8 Carrier-based aircraft group 9 Other information 10 Service dynamics 11 Social impact 12 Rotational stationing in China's three major sea areas Basic introduction Liaoning aircraft carrier (PLAN ...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 175.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2060,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 102.63 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2060\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"It also attracted the widest attention and caused corresponding waves. From the strategic significance of Liaoning, it marks that China has bid farewell to the era of no aircraft carriers and has entered the ranks of aircraft carrier countries. The nature of the Chinese navy and even the army will change from now on...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.41 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":2061,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2061\nTitle: \"28 Group Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"Ice-breaking game team rhythm form: all participants time: 10 minutes props: playing cards venue: indoor purpose: feel the atmosphere of teamwork procedure: 1. Divide everyone into several groups randomly, for example, people born in January and February are group A, people born in March and April...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 0.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2062,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2062\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the big tree, facing... Opaque curtain One rule: 1) Participants are divided into two sides 2) Say each person's name in turn or hope that others...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 59.04 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":2063,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2063\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2064,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2064\nTitle: \"Eighteen ice-breaking games [selected].doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2065,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2065\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2066,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2066\nTitle: \"Five-day tour around Beijing! Please recommend! ! ! !\"\nSummary: \"Douban Our Spiritual Corner Scan the QR code to download Douban 4.0 New Release I want to relax and find a quiet place when I am bored. Does anyone have any good recommendations? Thank you~~~ Your response Please log in first to respond, or register 336039 people gathered here...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.05 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2067,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2067\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to the surrounding areas in 5 days | Booking_Beijing surrounding areas...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, how much it costs for a 5-day route from Beijing to the surrounding areas, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.9 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2068,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2068\nTitle: \"Travel guide to Beijing during the Spring Festival\/2016 Spring Festival Beijing surrounding tours\/Recommendations for a 5-day Spring Festival tour in Beijing...\"\nSummary: \"Travel Guide to Beijing during the Spring Festival\/2016 Spring Festival Beijing Tour\/5-Day Beijing Tour during the Spring Festival [Special Note] 1: [Due to the fluctuation of travel prices during the Spring Festival and the great changes in local tourist prices, the following itinerary is for reference only] Thank you...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 36.51 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":2069,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2069\nTitle: \"[Photo] How to arrange a 5-day self-driving tour around Beijing_Beijing Forum_Autohome Forum\"\nSummary: \"How to arrange a 5-day self-driving tour around Beijing Highlights: 0 posts Registered: July 17, 2013 If you are visiting Beijing for the first time, a 5-day tour is still possible. If you drive, remember to apply for a Beijing entry permit and drive according to Beijing's motor vehicle license plate restrictions. I also wish you a pleasant journey Highlights:...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2070,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Lvmama Beijing 5-Day Tour\"\nQuery Dwell Time: 13.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2070\nTitle: \"Beijing 5-day tour\"\nSummary: \"Beijing Self-guided Five-Day Tour Guide_Lvmama Beijing Travel Guide Tourism Guide Destination Guide Travel Notes Lvyoubao Write a Review Questions and Answers Information Forum Your current location > Tourism Guide Home > Beijing Self-guided Five-Day Tour Guide Beijing Self-guided Five-Day Tour...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2071,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Lvmama Beijing 5-Day Tour\"\nQuery Dwell Time: 13.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2071\nTitle: \"5-Day Tour in Beijing_Lvmama Beijing Travel Guide\"\nSummary: \"Lvmama's guide: This time I took my parents and children to Beijing. I did a lot of research online before I went. Should I join a tour group or go alone? Should I take the high-speed rail or fly? I struggled with this question for a long time, and finally chose Lvmama's Beijing...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2072,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 109.79 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2072\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.25 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2073,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycles near Tsinghua University\"\nQuery Dwell Time: 83.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2073\nTitle: \"[Shanghai Forever Bicycle Electric Vehicle (Tsinghua South Road)] Shanghai Forever Bicycle Electric Vehicle (Tsinghua South Road)\"\nSummary: \"The phone number of Shanghai Forever Bicycle Electric Vehicle (Qinghua South Road) is, and the address of Shanghai Forever Bicycle Electric Vehicle (Qinghua South Road) is. In addition, you can also view the map, public transportation and nearby popular places of Shanghai Forever Bicycle Electric Vehicle (Qinghua South Road). ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2074,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Taobao fixed gear\"\nQuery Dwell Time: 79.85 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2074\nTitle: \"Home - FIXEDCHINA - Fixed Gear China Taobao Store - Taobao\"\nSummary: \"Taobao, Shop, Wangpu, FIXEDCHINA-Fixed Gear China Taobao Shop FIXEDCHINA-Fixed Gear China This shop has not received any reviews. The seller has no qualifications and certifications. Sign in at the shop and get Taobao coins immediately! FIXEDCHINA-Fixed Gear China \u300eCar...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.81 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2075,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Taobao fixed gear\"\nQuery Dwell Time: 79.85 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2075\nTitle: \"Can you recommend me a store that sells fixed gear on Taobao? - Zhihu\"\nSummary: \"Can you recommend me a shop that sells fixed gear bikes on Taobao? I'm looking for a really good shop that sells real fixed gear bikes with good quality. Show all Followers Viewed Follow the question Write an answer \u200b 1 comment \u200b Share \u200b Invite to answer Unspeakable 77 Bicycle Life...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2076,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2076\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"I started riding a fixed gear because I saw my friends riding it and it looked cool and stylish, so I wanted to try it. I didn\u2019t expect that I would fall in love with it as soon as I rode it. Many people think that fixed gear means flying to death, but the death of fixed gear has nothing to do with the death of death. The flywheel of a fixed gear is fixed...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.31 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2077,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2077\nTitle: \"[The difference between real money and fake money] The difference between a fixed gear and a magic car, how to distinguish between a real fixed gear and a fake fixed gear\"\nSummary: \"How to distinguish between real and fake fixed gears - precautions Try not to be attracted by those colorful appearances on the Internet Be cautious when buying a car Part 2: Real and fake In our real life, there are many truths and falsehoods. They are like a pair of twins...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2078,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2078\nTitle: \"What should I pay attention to when buying a second-hand fixed gear? I don't know anything. Newbie, girl, with pictures_solved - Alibaba...\"\nSummary: \"Fixed Gear is a fixed flywheel. Basically, the ones that cannot slip the rear wheel can be called fixed gear. Any road frame with a fixed flywheel can be called a fixed gear. It's just that some fixed gears are of poor quality. 2. The hub bearing is not offset or not very strong...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.42 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2079,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2079\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"It is not easy to ride a fixed gear bike well. There are many details to pay attention to, such as where to look when riding a fixed gear... Fixed gear bicycle price list, fixed gear bicycle pictures, fixed gear bicycle online shopping website, buy fixed gear bicycles online, find fixed gear bicycles for sale...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2080,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed gear price range\"\nQuery Dwell Time: 119.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2080\nTitle: \"\u3010Photo\u3011380 new coaster with brakes, selling at a discount price below factory price to clear stock. Last 200 units, sold out - ...\"\nSummary: \"Statement: All models are priced between 200 and 2000, and the highest end is no more than 6000. The manual, warranty, and invoice are complete. ... 380 new coaster with brakes, sold at a discount below the factory price to clear the inventory. The last 200 units, sold out\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2081,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2081\nTitle: \"\u3010Beijing Fixed Gear\u3011Group Buying, Address, Phone Number, Business Hours - Dianping.com\"\nSummary: \"More Home Improvement Stores More Foreign Language Study Artistic Interests Lifestyle Services Surrounding Facilities Commercial Services All Branches of \"Beijing Fixed Gear\" Fixed Gear The merchant is not included? Thank you very much for supporting Dianping.com. Please do not submit repeatedly. What problem did you encounter?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2082,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2082\nTitle: \"\u3010Beijing midnight fixed gear purchase department\u3011Group purchase, address, phone number, business hours - Dianping.com\"\nSummary: \"All categories Scan all branches of \"Beijing midnight fixed gear purchase department\" Midnight fixed gear purchase department Sports venues | Hongcheng Garden, Shimen, Shunyi District (Exit A of Shimen Subway Station, head west! Get off at the Social Education Center, head west) Arirang_3991: Still fucking okay...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2083,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2083\nTitle: \"[Photo] Beijing Fixed Gear Store is offering hot promotions on new fixed gears, allowing you to buy with confidence and choose with ease - ...\"\nSummary: \"Beijing Fixed Gear Store is hotly promoting brand new fixed gear bikes, so you can buy with confidence and choose comfortably. New fixed gear track bikes are available in many colors and can be freely selected. Free shipping in Beijing area. Our store's brand mountain bikes are on sale at a low price. Cash on delivery is available in the city. There are gifts for purchases. For out-of-town needs...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2084,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2084\nTitle: \"All reviews of the Zero Point Fixed Gear Purchase Department - Beijing - Dianping.com\"\nSummary: \"All reviews by users of Dianping.com about Beijing Zero Hour Fixed Gear Purchase Department.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2085,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2085\nTitle: \"\u3010Airline baggage check-in\u3011What is the complete guide for baggage check-in on flights to the United States? \u2014 iAsk...\"\nSummary: \"[Airline baggage check-in] What is the complete guide to baggage check-in for flights to the United States? Northwest Airlines (NW): (1) North American routes 2 pieces of checked baggage, 32 kg\/piece, 158 cm\/piece, 9 kg of carry-on baggage (excluding laptops) (2) China-Japan Airlines\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.01 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2086,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2086\nTitle: \"A complete guide to baggage check-in for flights to the United States_Tiandao Study Abroad\"\nSummary: \"Editor: julie Source: Internet A complete guide to checked baggage on flights to the United States. Tips from study abroad experts: In order to facilitate your travel, it is best to confirm which flight you are taking and understand the check-in regulations in advance to avoid embarrassment during registration. The following is a detailed introduction for you... (1) Classification of luggage: Luggage carried by the carrier is divided into checked luggage and unchecked luggage according to the transportation responsibility. \u2160 Checked...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2087,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2087\nTitle: \"A complete guide to baggage check-in for flights to the United States\"\nSummary: \"For any class of travel, each piece of baggage that exceeds the baggage limit (within the specified size and weight), or each piece of baggage with the sum of the three sides exceeding 158 cm (62 inches) but not exceeding 203 cm (80 inches)...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2088,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2088\nTitle: \"Are there new restrictions on liquid items in checked baggage when taking US flights? - Qyer Q&A\"\nSummary: \"\"Passengers who are going to take domestic\/international flights in the United States must pick out any liquid items over 100 ml in checked baggage.\" So she was also very confused whether the US TSA had just released new baggage restrictions, so now I am working with Emirates customer service...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 137.63 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2089,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liquids in carry-on luggage on flights to the United States\"\nQuery Dwell Time: 50.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2089\nTitle: \"Liquid items are prohibited on flights to the United States_News Center_Sina.com\"\nSummary: \"August 12, 2006 - According to the American Broadcasting Corporation, the terrorist suspect arrested in London planned to destroy the flight with liquid explosives. Currently, British airports have strengthened security measures. All flights departing from the UK are prohibited from carrying hand luggage, and those allowed to pass...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2090,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liquids in carry-on luggage on flights to the United States\"\nQuery Dwell Time: 50.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2090\nTitle: \"Domestic flight carry-on baggage liquid restrictions - Star Alliance - Flyer Tea House Travel Network - Enjoy the present moment, enjoy the future...\"\nSummary: \"I don't know where to post it, so I'll post the most popular one so that it can be seen easily. The moderator will be lenient. Ask an idiotic question, how much liquid can I bring in my hand luggage on domestic flights? Because I used to check it in, but the waiting time is too long. This time I'm traveling light ...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.64 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2091,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What must be checked in on flights to the United States?\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2091\nTitle: \"Baggage regulations and precautions of American Airlines\"\nSummary: \"For passengers flying to the United States, the free baggage allowed for each economy class passenger is usually two checked bags... All checked bags will be subject to inspection by the Federal Transportation Security Administration (TSA), and the passenger's name and address must be written on the baggage...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2092,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What must be checked in on flights to the United States?\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2092\nTitle: \"Can I carry cosmetics such as face cream on flights to the United States? Do I have to check them in? Or can I bring them...\"\nSummary: \"You may not be able to bring it on the plane in Beijing, but you can in Shanghai). If you find it troublesome or don't want to bother, it is recommended that you check it in. Because this thing is within the scope of inspection or not. Some people think it is liquid, and some people think it is not...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2093,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 153.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2093\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 90.14 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":2094,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 153.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2094\nTitle: \"Quitting smoking - the best way to quit smoking - symptoms after quitting smoking - ranking of smoking cessation products - quit smoking\"\nSummary: \"Are you confused about quitting smoking and finding it difficult to quit? Quit Smokers provides the most effective smoking cessation methods in 2017, finds out the major symptoms after quitting smoking, has the latest smoking cessation product rankings, and collects the most effective smoking cessation products from the Internet.\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.46 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2095,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 153.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2095\nTitle: \"Quitting smoking - the best way to quit smoking - symptoms after quitting smoking - ranking of smoking cessation products - quit smoking\"\nSummary: \"Are you confused about quitting smoking and finding it difficult to quit? Quit Smokers provides the most effective smoking cessation methods in 2017, finds out the major symptoms after quitting smoking, has the latest smoking cessation product rankings, and collects the most effective smoking cessation products from the Internet.\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.18 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2096,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2096\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? I have swollen body, high blood pressure and faster heart rate. I have quit smoking for more than ten days. Is this normal? If I continue smoking, will it have any effect on my body? As long as the method is suitable and has no side effects, the following method is for reference only. Set a date to quit smoking. And...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2097,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2097\nTitle: \"[Benefits of Quitting Smoking] I am 43 years old this year. I have smoked for 26 years and I have only quit smoking for a week, but - I have a question...\"\nSummary: \"I haven't found any other side effects. But I've found that my sexual function is abnormal these days, my erection is weak, and my erection time is short. I don't know if it's caused by quitting smoking? What treatment should I take? Hello: Smoking has a certain impact on sexual function. If you quit smoking...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2098,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2098\nTitle: \"Is it really difficult to quit smoking: [1] The harm of smoking and the benefits of quitting smoking_The most authentic experience sharing_Health...\"\nSummary: \"Teenagers are in the growth and development period, their physiological systems and organs are not yet mature, and their resistance to the external environment is weaker than that of adults. Smoking will definitely damage the normal growth of the body, so quitting smoking in time is good for the body, and you must not be careless. ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 50.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2099,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2099\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.92 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":2}
-{"id":2100,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 22.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2100\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.97 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2101,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 70.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2101\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2102,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 70.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2102\nTitle: \"Google Glass - How is Google Glass? How does Google smart glasses connect to the Internet? Google Glass...\"\nSummary: \"Google Glass We are working hard to load it for you... [Google Glass No. 1] Sold: 0 pieces Price: 338.00 yuan [Google Glass No. 2] Sold: 0 pieces Price: 328.00 yuan [Google Glass No. 3] Sold: 0 pieces Price: 338.00 yuan ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 45.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2103,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 48.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2103\nTitle: \"Google releases a beginner's guide to Google Glass to help users master how to use it - Google - Technology News - Artificial Intelligence...\"\nSummary: \"Beijing time, May 1, according to foreign media reports, Google released a video on Tuesday to help users master the use of Google Glass. The video shows that the legs of Google Glass have a touchpad - the...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2104,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 48.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2104\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_IT Information Zone_Information Zone Kafan Forum...\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.04 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":2105,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2105\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.53 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2106,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2106\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.4 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":2107,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2107\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.32 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2108,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 44.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2108\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.51 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":2109,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 44.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2109\nTitle: \"[Apple iPhone6A1589 64GB Mobile Edition 4G (Silver) Price] How is it? Price...\"\nSummary: \"TOP 10 parallel imports: iPhone 6 Hong Kong version priced at 8,500 yuan, rumored 5.5-inch version may be called iPhone 6 Plus by Apple, flexible screen + fingerprint recognition, iWatch released today, dual versions of iPhone 6 + watch, preview of Apple conference, highest price 7,688 yuan, licensed iPhone 6 price revealed...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2110,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bjd\"\nQuery Dwell Time: 56.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2110\nTitle: \"How to pre-order iPhone 6 on JD.com and details of the iPhone 6 pre-order address on JD.com_Apple...\"\nSummary: \"Apple iPhone 6 and iPhone 6 Plus have been pre-sold in China. Today, China Unicom and JD.com have taken the lead in opening iPhone 6 reservations. So, how can you make a reservation on JD.com to buy Apple iPhone 6? In response to this question, this...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.25 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2111,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bjd\"\nQuery Dwell Time: 56.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2111\nTitle: \"Buy iPhone 6, JD.com is 500 yuan cheaper than Apple's official website?\"\nSummary: \"Post count: 6 Pages: Share to: Article topic: Buying iPhone 6, Jingdong is 500 yuan cheaper than Apple's official website? Work hard to actually control the Diaoyu Islands! Identity User Article Constellation Virgo Points Level Zitan (11) Sender: ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2112,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bjd\"\nQuery Dwell Time: 56.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2112\nTitle: \"32GB new iPhone 6 price cut on JD.com, only 2578 yuan - A5 Venture Network\"\nSummary: \"July 4, 2017 - Market News\u3011In February this year, Apple launched a gold special edition iPhone 6 through JD.com. The device was upgraded with 32GB capacity and sold for only 3,399 yuan. Now the device has seen a significant price cut, with the price dropping to 2,578 yuan...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2113,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2113\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong now?\"\nSummary: \"Tubatu decoration question and answer platform provides netizens with answers to various questions about how much it costs to buy an iPhone 6 in Hong Kong now. ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2114,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2114\nTitle: \"How much does the iPhone 6 plus cost in Hong Kong now? - Mafengwo\"\nSummary: \"How much is the iPhone 6 plus in Hong Kong now? The price of the 16G version on Taobao is below 5,000. I want to buy one next month. 19820 views 0 people follow Follow Answer 4 answers Apple official website price 16G is HKD 6,388, 64G is HKD 7,188 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2115,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2115\nTitle: \"iPhone 6 in Hong Kong now: How much does it cost? - Mafengwo\"\nSummary: \"iphone68370 views 1 person following Following Answers 6 answers Official website price: (HKD) 16G: 5588 64G: 6388 128G: 7188 But you may not be able to buy it through official channels, you need to make an appointment, which is difficult to make. Although other digital stores have stock...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2116,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2116\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does it cost to buy an iPhone 6 in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? Three versions of iPhone 6 (... Apple iPhone and Huawei P series are very popular in the domestic mobile phone circle, and their products are more powerful than the previous generation.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2117,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2117\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong? -How much does it cost to buy an iPhone 6 in mainland China now? If you go to Hong Kong...\"\nSummary: \"Unpack and inspect the product on the spot. Open the phone. Generally, it is not activated. How much does it cost to buy an iPhone 6 in Hong Kong now? 4.7-inch and 5.5-inch... How much does it cost to buy a Hong Kong version of iPhone 6 in Hong Kong now? \u2026\u2026 Hello, it is about 4,500 yuan. If you have any questions, please feel free to...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2118,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2118\nTitle: \"Is iPhone 6 still available in Hong Kong? How much is it? Where can I buy it reliably? - _New Knowledge Information...\"\nSummary: \"How much does a parallel-imported iPhone 6 cost in Hong Kong? Hello, here is the price of iPhone 6 in Hong Kong for your reference. Parallel-imported iPhone 6 is usually 200-300 yuan more expensive than the official website price. 16g 5588...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2119,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2119\nTitle: \"How much does it cost to buy an iPhone 6 in mainland China now? How much does it cost to buy it in Hong Kong? -Buy an iPhone 6 in Hong Kong...\"\nSummary: \"How much does it cost to buy an iPhone 6 in mainland China now? How much does it cost to buy it in Hong Kong? Anonymous 2015-7-23 The cheapest one is in the US, but I don\u2019t know if it can be shipped to China. I suggest you buy it in Hong Kong. It\u2019s not like buying a contract in China...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2120,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2120\nTitle: \"[Strategy] How to buy a new iPhone in Hong Kong! - Hong Kong Drifting Station\"\nSummary: \"Many people can't wait to go to Hong Kong to buy a mobile phone. Today, I will collect a complete guide to buying an iPhone in Hong Kong. So if you buy an Apple phone in Hong Kong, you need to pay attention to \"chassis separation\" when you go through customs. That is, the machine itself should be...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.05 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2121,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2121\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.39 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":1}
-{"id":2122,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2122\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 149.97 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2123,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2123\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.34 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2124,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2124\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.2 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":1}
-{"id":2125,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2125\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Oil Paradise - OnePlus Mobile Community Official...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. iPhone 6 and iPh ... Apple iPhone 6 supports the 4G network of the three major domestic operators, OnePlus Mobile Community Official Forum\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.19 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":2126,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2126\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Huafen talks about industry information Huafen Club...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports the 4G networks of the three major domestic operators\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.87 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":0}
-{"id":2127,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2127\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.25 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":2128,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2128\nTitle: \"Can the Hong Kong version of iPhone 6 be used with China Telecom?_Mobile phone questions_Tubatu Q&A\"\nSummary: \"Specifically, the only versions that can support the three major domestic operators' networks are the Japanese unlocked version, the US Sprint customized version, and the China Unicom and Telecom versions. These versions can support GSM\/WCDMA\/CDMA2000\/TD-SCDMA\/TD-LTE\/LTE...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.23 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2129,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2129\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators_Mobile News_Southern News\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2130,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 108.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 69.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2130\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space Personal information Blog age: 6 years and 3 months Visits: ? times Articles: 62 articles Blogger's latest articles Log text Category: blog | Tags: Tsinghua University Chen Ming Swimming Pool Charge Standard Opening Hours ...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.61 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2131,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 77.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2131\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"Being detached from the world, one can be tolerant. The ski jump of Liaoning and 001A has offset the advantage of heavy carrier-based aircraft and brought about the serious problem of J15's large body occupying too much area. There is no advantage. Facing Rafale M, Charles de Gaulle will win a crushing victory. The most influential...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":2132,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 77.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2132\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"The biggest advantage of US aircraft carriers is that they have two catapults. Baldwin recalled that during the \"Desert Storm\" airstrike on Iraq, an F\/A-18 fighter jet on the \"Midway\" had a fuel leak and the fighter jet had to make an emergency landing within 6 minutes, otherwise the aircraft would...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.93 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":2133,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages of Liaoning\"\nQuery Dwell Time: 44.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2133\nTitle: \"China admits that Liaoning lags behind the US military: But this advantage scares the US - China News Center\"\nSummary: \"In this regard, the US media said that the purpose of the US aircraft carrier's attack was to let China see how much their aircraft carriers lag behind ours, and to show them how powerful our aircraft carriers are, and perhaps they will show respect to the United States. So what about the Chinese aircraft carriers...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2134,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The role of aircraft carriers\"\nQuery Dwell Time: 60.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2134\nTitle: \"Military News: Aircraft carriers are irreplaceable, with the strongest combat power and the highest cost-effectiveness_Military_Global Network\"\nSummary: \"March 23, 2017 - The former Soviet Union's top leaders deeply realized the strategic role of aircraft carriers... Because aircraft carriers play an irreplaceable role in war and non-war military operations, the world's major powers eventually \"reached the same destination\" - firmly moving towards...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2135,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The role of aircraft carriers\"\nQuery Dwell Time: 60.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2135\nTitle: \"Correctly understand the role of aircraft carriers - Naval Forum - Tiexue Community\"\nSummary: \"What our navy needs now is a medium-sized aircraft carrier. We should first establish one or two aircraft carrier battle groups. The role of the aircraft carrier is to provide air defense and anti-submarine warfare for the fleet and expand the fleet's activity area. The development of our navy's submarines has made certain achievements, basically in the vicinity...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2136,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 227.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the ice-breaking games?\"\nQuery Dwell Time: 215.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2136\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"4. What is very important to win in the competition? This game is to test people's habits. Usually for themselves... Hunter Hunting Rabbit Game Type: Ice Breaker Game Suitable for Number of People: Unlimited Game Props: None Game Steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 211.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2137,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2137\nTitle: \"[Grassland] Where to go for self-driving tours in Beijing in summer 2017, self-driving tours around Beijing in summer - Mafengwo\"\nSummary: \"Self-driving tour around Beijing in summer - Guyuan Bashang Guyuan Grassland is located in Guyuan County, 180 kilometers northeast of Zhangjiakou, bordering the Inner Mongolia grassland to the north, outside the ancient Great Wall, 260 kilometers from Beijing, and covers an area of \u200b\u200b900 square kilometers. The existing remains in the scenic area are complete...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.76 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2138,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2138\nTitle: \"Best places to visit in Beijing in summer_Which grassland is best for visiting Beijing - Feiyang Travel Network\"\nSummary: \"Where should we go in Beijing in the summer? Why not go to the grasslands around Beijing? Although they are not as prosperous as the city, they have a quiet environment that cannot be enjoyed in the city. Here is Ningbo Travel Agency to introduce you to Beijing tourism...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2139,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2139\nTitle: \"Where to go to cool down in Beijing in summer_Where to go to cool down in Beijing in summer\"\nSummary: \"Where to stay cool in Beijing in summer? Where to stay cool in Beijing in summer: Enjoy the lotus in midsummer Recommended reason: Every year, Beihai Park will hold a summer lotus festival. Beihai Park has planted 8,000 square meters of lotus on the lake near the South Gate Square, including space lotus, Baiyangdian red lotus...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2140,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2140\nTitle: \"Where to go to escape the heat in Beijing in summer, recommendations for cool places around Beijing in summer - Mafengwo\"\nSummary: \"Where to go to escape the heat in Beijing in summer? Summer is here, and the most common saying is: go wherever it\u2019s cool! But where can you get cool in the overcrowded capital? Here are some cool places around Beijing in summer compiled by Mafengwo editor, recommended to everyone. Ten...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2141,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Shidu?\"\nQuery Dwell Time: 81.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2141\nTitle: \"How much does it cost to go to Shidu? How much does it cost to go to Shidu? - Mafengwo\"\nSummary: \"How much does it cost to go to Shidu? I'm going there to discuss business next month. I think I need to take my clients out for some fun. Does anyone know any good places? 1800 views 0 people are following Follow Answer Add answer 0 words Business license New Internet license (Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2142,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Shidu?\"\nQuery Dwell Time: 81.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2142\nTitle: \"How much does Shidu travel cost per person?\"\nSummary: \"100 yuan is enough for three people to have a meal. . . Generally speaking, the cost of a one-day trip to Shidu is 100 yuan\/person, and a two-day trip to Shidu... How much is the ticket to Shidu Natural Scenic Area? How much does a one-day trip to Shidu usually cost? Five tips for saving money on Shidu travel! There are mountains...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2143,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Shidu?\"\nQuery Dwell Time: 81.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2143\nTitle: \"How much money should I bring with me when traveling to Shidu? - Mafengwo\"\nSummary: \"How much does it cost to travel to Shidu? Is it expensive to travel to Shidu? Is it good to travel to Shidu in August? Is it suitable to travel to Shidu in August? When is the best time to go to Shidu? Is it suitable to go to Shidu during the Dragon Boat Festival? Which month is the best to go to Shidu? When is the best time to go to Shidu? How many days are there to go to Shidu?\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.81 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2144,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Bashang Grassland?\"\nQuery Dwell Time: 36.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2144\nTitle: \"How much does it cost to go to Bashang Grassland for a few days? My favorite thing is to go out...\"\nSummary: \"My favorite thing is to go out and travel. I want to find a peaceful feeling, so I asked my brother to go with me. I recommended Bashang Grassland. I wonder what fun places there are in Bashang Grassland? Will it be expensive? It would be best if I can save money. Where is it...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.71 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":2145,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Bashang Grassland?\"\nQuery Dwell Time: 36.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2145\nTitle: \"Bashang Grassland Tour Price and Itinerary_Beijing Shenzhou International Travel Agency\"\nSummary: \"3 days round trip transportation: car to car back Beijing to Bashang Grassland Travel Guide} Fengning Bashang Grassland Horseback Riding Leisure Three-Day Tour Route... Car to car back How much does it cost to travel from Beijing to Bashang Grassland? Fengning Bashang Grassland Baiyun Ancient Cave Two-Day Route...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.01 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2146,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed gear bicycle sales\"\nQuery Dwell Time: 25.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2146\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2147,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycles for Sale\"\nQuery Dwell Time: 125.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2147\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 27.37 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2148,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Brand\"\nQuery Dwell Time: 125.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2148\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle. Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle.\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2149,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycles for Sale\"\nQuery Dwell Time: 125.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2149\nTitle: \"\u3010Fixed Gear Bicycle\u3011Fixed Gear Bicycle Price_Fixed Gear Bicycle Wholesale - SouLeWang\"\nSummary: \"[Xuanwu District, Beijing] Quote: \uffe5 245.00 Selling Tianjin fixed gear bicycles | Desirable Tianjin fixed gear bicycles, Aowei Bicycles Supply Aowei Bicycles From the beginning of its establishment to now, it has received strong support and love from all walks of life, and the company has been [Beijing...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 67.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2150,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What should I pay attention to when using a fixed gear bicycle?\"\nQuery Dwell Time: 92.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2150\nTitle: \"Female student riding fixed gear bicycle fell off the cliff. What should I pay attention to when riding?\"\nSummary: \"March 15, 2017 - Let's take a look at what you should pay attention to when riding a bicycle? 1. A female student fell off a cliff while riding a bicycle: Borrowing the words of classmate He... Everyone must control their speed on the road, and must not compete to overtake or race, and pay attention to traffic safety. 4...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2151,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What should I pay attention to when using a fixed gear bicycle?\"\nQuery Dwell Time: 92.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2151\nTitle: \"51 Beginners learn how to use fixed gear bicycles.\"\nSummary: \"Hongxiangli brand 51 beginner fixed gear bicycle teaches you the precautions | Sichuan bicycle supplier product: estimate: 0, specification: complete, product series number: complete\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2152,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What should I pay attention to when using a fixed gear bicycle?\"\nQuery Dwell Time: 92.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2152\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"But fixed gear is not like other models. X-TASY Bicycles wants to tell you that beginners should pay special attention to the following 3 points when learning fixed gear: 1. Before use, be sure to read the instructions and precautions first; understand its performance, be sure to...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 81.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2153,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights\"\nQuery Dwell Time: 51.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2153\nTitle: \"What are the luggage weight regulations for international flights?\"\nSummary: \"Airline baggage regulations BAA (British Aviation Association) baggage restrictions for flights to and from the UK All passengers traveling to and from the UK will not be able to check in any luggage exceeding 32 kg (70 pounds). 32 kg refers to the maximum weight of each piece of luggage...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2154,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights in the United States\"\nQuery Dwell Time: 139.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2154\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free baggage allowance and excess baggage charging policies for all international interline flights are uniformly implemented in accordance with the standards issued by the most important carriers. Since American carriers have reduced the free baggage allowance for economy class, if Air China does not adjust the current two free baggage allowances in a timely manner...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2155,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights in the United States\"\nQuery Dwell Time: 139.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2155\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 - The free baggage allowance and excess baggage charging policies for all international interline flights will be uniformly implemented in accordance with the standards issued by the most important carriers. Since American carriers have reduced the free baggage allowance for economy class, if Air China does not promptly...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2156,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights in the United States\"\nQuery Dwell Time: 139.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2156\nTitle: \"\u3010International Airline Baggage\u3011What is the weight limit for international airline luggage? \/ From Hong Kong to New Zealand...\"\nSummary: \"What are the regulations for checked baggage on international flights? Northwest Airlines (NW) North American routes allow 2 checked pieces, 32 kg\/piece, 158 cm\/piece carry-on 9 kg (excluding laptops) China-Japan routes allow 1 checked piece, 20 kg (no size regulations) carry-on 9 kg...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 96.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2157,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the prohibited items on international flights to the United States?\"\nQuery Dwell Time: 73.18 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2157\nTitle: \"What prohibited items cannot be checked in on international flights? - Qyer Q&A\"\nSummary: \"Lighters can be carried at any time on flights back to China. Knives can be checked. 0 \/ 1000 words Styling spray can be checked, but only checked, not carried on board 0 \/ 1000 words Q&A Pathfinder Expert in Thailand, Japan and other places Please refer to the official website 0...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.29 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2158,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 161.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2158\nTitle: \"What you can\u2019t bring on international flights~ (Those traveling abroad can take a look~~)\"\nSummary: \"Can I bring a fruit knife on board? No. Knives cannot be carried on board and must be checked in. 3. Liquids, gels and sprays... When taking international or regional flights departing from airports in China, such items must be placed in containers with a capacity of no more than 100 ml...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 157.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2159,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 622.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 481.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2159\nTitle: \"Is it harmful to quit smoking suddenly?\"\nSummary: \"\"In the early stages of quitting smoking, I felt sleepless, anxious, and irritable. If I smoked a cigarette, the symptoms would be better.\" Such complaints are not uncommon in smoking cessation clinics, and many smokers have given up the idea of \u200b\u200bquitting smoking. Studies have shown that smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 469.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2160,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 622.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 52.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2160\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.23 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2161,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 622.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 52.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2161\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2162,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 82.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2162\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.42 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":2163,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 82.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2163\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2164,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 87.49 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2164\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.79 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":2}
-{"id":2165,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass performance data\"\nQuery Dwell Time: 197.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2165\nTitle: \"Google Glass parameters, functions, performance, specifications, configuration_Sina Mobile\"\nSummary: \"Sina Mobile provides you with detailed parameters of Google Glass mobile phone, allowing you to fully understand the functions, performance, specifications and configuration of Google Glass.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2166,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass performance data\"\nQuery Dwell Time: 197.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2166\nTitle: \"Google Glass web browser performance test - Alibaba Cloud Information Network\"\nSummary: \"Published article Source: Internet Uploader: User Recently, Google launched a web browser for Google Glass for the first time, but what is the performance of this browser, and how much difference will it have with ordinary smartphones? A foreign user did...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 47.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2167,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass performance data\"\nQuery Dwell Time: 197.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2167\nTitle: \"The top ten functions of Google Glass (photos) Hanlang Glasses will reveal the secrets of the glasses that cost more than 11,300 yuan...\"\nSummary: \"Hanlang smart glasses retail price: only 1280 yuan. The popular Google Glass retail price is 11300 yuan. What can it do? Google Glass may be the coolest wearable digital device at present. You can wear it anywhere as long as the law...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2168,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 65.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2168\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.56 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2169,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 65.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2169\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"The difference between A1586 and other products, which one is better? Apple iPhone6A1586 16GB Public Edition 4G Mobile Phone (Gold) \uffe53999 Instructions for use The above data comes from the Internet, and there may be deviations from the actual parameters and prices of the products. Electronic products...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.15 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2170,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where can I buy iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 107.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2170\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I went to in July and wanted to know about the iPhone 6... If you need to buy a mobile phone, you can check out the discounts of major credit cards. I remember that there are some for investment and transportation. In addition...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2171,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where can I buy iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 107.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2171\nTitle: \"I'm going to Hong Kong for a trip in early January. I want to buy an iPhone 6. Where can I buy it? - Mafengwo\"\nSummary: \"Mafengwo Q&A > I'm going to Hong Kong for a trip in early January. I want to buy an iPhone 6. Where can I buy it? Where can I buy an authentic iPhone 6 at a reasonable price? Add a comment Favorite 1. You can check the price on the Apple official website first, and then make an order. It seems that the main store requires advance reservations. 2. Is there a...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2172,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong Mobile Network\"\nQuery Dwell Time: 107.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2172\nTitle: \"Can I use the iPhone 6 I bought in Hong Kong? _As the title says. Preparing to go to Hong Kong_Babytree\"\nSummary: \"Can I use the iPhone 6 I bought in Hong Kong? As the title says. I am going to buy an iPhone 6 in Hong Kong. Can I use it directly after I get it? Do I need to flash the firmware or something?\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 35.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2173,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening and Closing Hours\"\nQuery Dwell Time: 130.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2173\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2174,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening and Closing Hours\"\nQuery Dwell Time: 130.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2174\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2175,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2175\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Tsinghua University Swimming Pool discount information, all in 114 Life Network 5 points 0 people participated in the rating 0 people 0 people 0 people 0 people 0 people Average total score 0 points Comments Discounts Pictures Been Want to go Created by: Tomato Omelet Rice_ View the list: View the contribution list Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2176,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2176\nTitle: \"\u3010Beijing Tsinghua University Swimming Pool\u3011_Meituan.com\"\nSummary: \"Meituan.com provides Beijing Tsinghua University Swimming Pool, Beijing Tsinghua University Swimming Pool group purchase, view more group purchase Beijing Tsinghua University Swimming Pool, price, evaluation, address, phone number and other information, nearby reputation Beijing Tsinghua University Swimming Pool business ranking...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2177,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2177\nTitle: \"...Tsinghua University Swimming Pool Store Business Hours Details - How to get to Tsinghua University Swimming Pool and Public Transportation Information\"\nSummary: \"Special offer circle provides discount activities for shops in Tsinghua University Swimming Pool in Beijing, reviews of Tsinghua University Swimming Pool life consumption, leisure and entertainment Tsinghua University Swimming Pool, No. 30 Shuangqing Road, Haidian District, Tsinghua University (near Wudaokou)\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2178,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2178\nTitle: \"[Beijing Peking University Tsinghua Swimming Pool Price | Swimming Club | Baby Swimming Pool] - Beijing Ganji.com\"\nSummary: \"Beijing Ganji.com Swimming Channel is a professional free inquiry and release platform for swimming information of Peking University and Tsinghua University in Beijing, including the price of Peking University and Tsinghua University swimming pool, swimming club, baby swimming pool, swimming service phone number, price and other information. Find Beijing Peking University and Tsinghua University swimming...\"\nRank: 12\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.4 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2179,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 105.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2179\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.41 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":2180,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 105.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2180\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2181,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 76.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2181\nTitle: \"The latest news about China's aircraft carriers - China Aircraft Carrier Network\"\nSummary: \"With its rapid development, aircraft carriers have written a brilliant chapter in the history of ship development in the 20th century. Modern aircraft carriers, ... Russian aircraft carriers 2017-09-15 1412 The hull of the Liaoning aircraft carrier is rusted. Is it caused by poor maintenance? Some media reported...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2182,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 76.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2182\nTitle: \"Liaoning aircraft carrier Liaoning Chinese aircraft carrier Liaoning aircraft carrier Varyag\"\nSummary: \"Liaoning aircraft carrier Liaoning Varyag Liaoning Chinese aircraft carrier Liaoning \"Liaoning\" Liaoning aircraft carrier is the first aircraft carrier of the Chinese People's Liberation Army Navy that can carry fixed-wing aircraft. The Liaoning aircraft carrier was originally a Soviet...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2183,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2183\nTitle: \"As shown in the picture, the displacement of my country's first aircraft carrier \"Liaoning\" is 67,500 tons. It is fully loaded...\"\nSummary: \"As shown in the figure, the displacement of my country's first aircraft carrier \"Liaoning\" is 67500t, and the buoyancy it receives when fully loaded is N (g=10N\/kg). When an aircraft on the deck takes off, with the aircraft as a reference, \"Liaoning\" is. (Optional \"static...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2184,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2184\nTitle: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is China's...\"\nSummary: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is the first aircraft carrier of the Chinese People's Liberation Army Navy that can carry fixed-wing aircraft. The Liaoning ship has a full load displacement of 67,500 tons. The data 67,500 is recorded in scientific terms...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2185,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2185\nTitle: \"The newly launched Liaoning is currently the most advanced aircraft carrier in the world - Mathematics - Grassroots Network\"\nSummary: \"If my country wants to build a more advanced aircraft carrier, it can't listen to these people's nonsense. Liaoning is a medium-sized aircraft carrier with a displacement of 65,000 tons. So there is a criticism that why it is not a large aircraft carrier? The reason is that contemporary...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2186,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2186\nTitle: \"The latest news about China's aircraft carriers - China Aircraft Carrier Network\"\nSummary: \"The maximum speed is 30 knots, the full load displacement exceeds 100,000 tons, and it can carry up to 100 fighter jets. The cost is 6.2 billion US dollars. ... US Aircraft Carrier 2014-11-15 2055 USS Ronald Reagan (CVN-76) USS Ronald ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.0 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2187,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2187\nTitle: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially handed over and commissioned, as shown in the table...\"\nSummary: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially handed over and commissioned. The following table shows some technical parameters of the \"Liaoning\" aircraft carrier: displacement 67500t flight deck 300m*70m engine power 1.5*105kw draft...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2188,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2188\nTitle: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is China's...\"\nSummary: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is the first aircraft carrier of the Chinese People's Liberation Army Navy that can carry fixed-wing aircraft. The Liaoning ship has a full load displacement of 67,500 tons. The data 67,500 is recorded in scientific terms...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2189,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 44.54 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2189\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.9 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2190,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 44.54 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2190\nTitle: \"\"Liaoning\" here we come! _NetEase News\"\nSummary: \"July 4, 2017 - (Original title: \"Liaoning\" here we come!) To celebrate the 20th anniversary of Hong Kong's return to the motherland, China's first aircraft carrier \"Liaoning\" and three affiliated ships will dock in Hong Kong from July 7 to 11, and will be open to the public on the 8th and 9th...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2191,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning data\"\nQuery Dwell Time: 79.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2191\nTitle: \"China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\" is used...\"\nSummary: \"Question Type: Multiple Choice Difficulty: Relatively Easy Source: Xueersi Online School China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\" can be expressed in scientific notation (accurate to thousands) as ( ) A.10 4 *6.8 B.68*...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2192,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning data\"\nQuery Dwell Time: 79.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2192\nTitle: \"The latest statement on the length and width of Liaoning - Navy Edition - Super Base Military Forum - The most influential military...\"\nSummary: \"The length is 304.5 meters and the width is 37 meters (the maximum width of the flight deck is 70 meters). However, the latest \"Modern Ships 2013 Supplement - Our Aircraft Carrier \"Liaoning\" ..., the latest statement on the length and width of Liaoning - Navy Edition - \u2261 Super Military Zone \u2261 - Super Large ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2193,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning data\"\nQuery Dwell Time: 79.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2193\nTitle: \"The Liaoning aircraft carrier is the first aircraft carrier of the Chinese Navy, with a standard displacement of 57,000 tons and a full...\"\nSummary: \"The Liaoning aircraft carrier is the first aircraft carrier of the Chinese Navy. Its standard displacement is 57,000 tons and its full load displacement is 67,500 tons. The data 67,500 is expressed in scientific notation as A.675*102B.67.5*102C.6.75*104D.6.75*105\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2194,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Crew Number Weapons\"\nQuery Dwell Time: 67.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2194\nTitle: \"Even if the Chinese Navy suddenly had 10 more Liaonings, would it still be far less powerful than the US Navy? - Zhihu\"\nSummary: \"The Liaoning has 1,960 crew members, 626 pilots, and 40 staff members. A total of 2,626 people. Suddenly, there are ten more... Then there are the weapons used by both sides, as well as the strategies and tactics, and even the war potential of the two countries. The problem of space battleships and the Death Star is too...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 50.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2195,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 39.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2195\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - So we chose this obsolete aircraft carrier as the starting point today for a certain purpose and strategic significance. Some experts and scholars even confidently said that if an incident occurs in the South China Sea, China will consider sending our existing navy to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2196,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Orientation\"\nQuery Dwell Time: 59.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2196\nTitle: \"Mysterious character in ice-breaking game for new employees during training_Training games_Interactive games\"\nSummary: \"The main purpose of the Mysterious Person game is to encourage new joiners or old and new employees to get to know each other and integrate quickly. Applicable personnel: new employee training or old and new employee gathering Game location: classroom, conference room, etc. Game... Or \"You can get 5 yuan for every 10 people you shake hands with.\" And so on. As long as the published rules are very reasonable, this activity...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2197,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Orientation\"\nQuery Dwell Time: 59.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2197\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Fun rope skipping Project type: team game Project format: 5-6 people per group Time: 10 minutes Venue: outdoor Applicable objects: Project title, data sharing platform \"suitable as a team ice-breaking game for employee training\".\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2198,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Orientation\"\nQuery Dwell Time: 59.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2198\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2199,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Training Baidu Library\"\nQuery Dwell Time: 52.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2199\nTitle: \"Training Ice Breaking Games Collection - MBA Think Tank Documentation\"\nSummary: \"This is a pure icebreaker game, simple and easy to play, and the atmosphere is very lively. \u00b7 If necessary, the instructor can stipulate that some particularly sensitive parts of the human body cannot be used. \u00b7 The number of participants should not be less than 10. 2. Big Wind Blowing Game Type... Editor's Tip \u00b7 You can also change the rules of the game to: \"For every 10 people you shake hands with, you can get 5 yuan.\" And so on. ...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.58 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2200,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A Weeklong Tour around Beijing in May\"\nQuery Dwell Time: 145.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2200\nTitle: \"I want to take my family to travel around Beijing. Where is the best place to go? - Homeowner Life - Housing...\"\nSummary: \"I recommend Qingyu Manor near Beijing. It is said to be known as the back garden of Beijing. There are pavilions with flowing water and seasonal fruits for picking, which is suitable for the elderly and children. There are also real-life CS, beach motorcycles and other projects suitable for young people. Lvmama and Aizhouyou are both...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2201,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 30.64 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2201\nTitle: \"Places to visit around Beijing\"\nSummary: \"Haidian District Summer Palace Tourist Area Introduction Located in the northwest suburbs of Beijing, it was originally a royal garden and palace in the Qing Dynasty. The park is mainly composed of... \"Places to visit around Beijing\" Beijing Suburban Tourist Attractions Collection--Summary of Tourism Resources around Beijing[...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2202,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week of sightseeing around Beijing\"\nQuery Dwell Time: 72.91 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2202\nTitle: \"\u3010Beijing Beijing Surrounding Areas\/Beijing Surrounding Areas Tourism Network | Travel Guide | Travel Company\u3011- Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com Tourism Channel is the largest free inquiry and release platform for tourism service information in Beijing and its surrounding areas, including tourism service telephone numbers, prices and other information. To find tourism services in Beijing and its surrounding areas, please visit Ganji.com Beijing Tourism Channel.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.25 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2203,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week of sightseeing around Beijing\"\nQuery Dwell Time: 72.91 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2203\nTitle: \"28 weeks, where is the suitable place to go for a day or two near Beijing? I am bored at home all day, hurry up and have a baby...\"\nSummary: \"I'm 28 weeks pregnant. Is there any suitable place to go for a day or two in Beijing? I'm stuck at home all day and I'm going to get moldy. I really want to go out and relax. I don't know where in Beijing is suitable for pregnant women to go. Please recommend\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2204,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week trip around Beijing\"\nQuery Dwell Time: 215.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2204\nTitle: \"Beijing surrounding tours_Beijing surrounding self-driving tour guide_Beijing surrounding one-day tours_Beijing surrounding tourism_Beijing...\"\nSummary: \"A complete guide to self-driving tours around Beijing, collecting the most interesting tourist attractions around Beijing, whether it is a one-day or two-day tour, a leisure farm stay, or a tourist attraction, as long as it is relevant information about tours around Beijing, it is all here.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2205,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week trip around Beijing\"\nQuery Dwell Time: 215.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2205\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 169.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2206,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy a fixed gear near Tsinghua University\"\nQuery Dwell Time: 30.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2206\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Groups Reading FM Time Things Market More Moments Douban Photography Douban...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2207,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Bicycle\"\nQuery Dwell Time: 23.56 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2207\nTitle: \"It is best to buy a bicycle before entering Tsinghua University - Tsinghua University - Daily Gansu - Education\"\nSummary: \"July 15, 2008 - This newspaper (Reporter Liu Jian) \u200b\u200bOn August 23, the \"Gansu-born 2008 Tsinghua University Freshmen Symposium\" was held in Lanzhou. In a relaxed and pleasant atmosphere, the relevant person in charge and four teachers from Tsinghua University who came all the way from Beijing to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2208,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University West Gate Fixed Gear Bicycle\"\nQuery Dwell Time: 56.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2208\nTitle: \"[Qinghe second-hand venue\/fixed gear|Qinghe second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Model: Brand: Price: Region: Support guaranteed transaction Only see pictures Bangbang Online DIY fixed gear bicycle free matching [1 picture] Beijing Fixed Gear Park Bicycle Shop (100 meters north of the west gate of Tsinghua University, Zhongguancun, Haidian District, Beijing... Haidian - Qing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2209,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University West Gate Fixed Gear Bicycle\"\nQuery Dwell Time: 56.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2209\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.4 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2210,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Jiuyu Fixed Gear\"\nQuery Dwell Time: 63.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2210\nTitle: \"Zhongguancun North Street, Tsinghua West Gate Shuimo Community (next to Merida Bicycle Tsinghua West Gate) - City...\"\nSummary: \"The address of Jianbingge (Tsinghua Branch) is in Shuimo Community, Tsinghua West Gate, Zhongguancun North Street (next to Merida Bicycle Tsinghua West Gate). High-definition map, Jianbingge (Tsinghua Branch) phone number is: 15810100047, Jianbingge (Tsinghua Branch) profile: Jianbingge...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.84 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2211,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Merida Bicycle Tsinghua West Gate Store\"\nQuery Dwell Time: 63.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2211\nTitle: \"How to get to the Shuimo Community in Tsinghua West Gate, Zhongguancun North Street (next to the Merida Bicycle Tsinghua West Gate)?\"\nSummary: \"I want to find: Business Map Address: Zhongguancun North Street, Tsinghua West Gate Shuimo Community (next to Merida Bicycle Tsinghua West Gate) 15810100047 Transportation: Note: The map location is for reference only, the specific situation is subject to the actual road sign information...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.77 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2212,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Merida Bicycle Tsinghua West Gate Store\"\nQuery Dwell Time: 63.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2212\nTitle: \"Giant Bicycle (Tsinghua West Gate Branch) Web Archives - Silly Directory\"\nSummary: \"Giant Bicycle (Tsinghua West Gate Branch), Lifestyle Services, Shopping, Sports Goods, Beijing, Haidian District, Qinglong Bridge, Yuanmingyuan, Taiwan Giant Group - produces and markets the world-renowned bicycle brand \"GIANT\"...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2213,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua West Gate Bicycle Store\"\nQuery Dwell Time: 68.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2213\nTitle: \"Phoenix Bicycle Store (Tsinghua West Gate Store), Beijing Phoenix Bicycle Store (Tsinghua West Gate Store)\"\nSummary: \"We provide professional information about Phoenix Bicycle Store (Tsinghua West Gate Store) map in Beijing. The address of Phoenix Bicycle Store (Tsinghua West Gate Store) is: No. 30, Shuimo West Street. The phone number of Phoenix Bicycle Store (Tsinghua West Gate Store) is: No phone number available...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.34 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2214,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua West Gate Bicycle Store\"\nQuery Dwell Time: 68.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2214\nTitle: \"[Dahon Folding Bike (Tsinghua West Gate)] Dahon Folding Bike (Tsinghua West Gate) phone number, Dahon...\"\nSummary: \"The phone number of Dahon Folding Bike (Tsinghua West Gate) is , and the address of Dahon Folding Bike (Tsinghua West Gate) is West Gate of Tsinghua University, No. 30 Shuangqing Road. In addition, you can also view the map, public transportation and nearby popular places of Dahon Folding Bike (Tsinghua West Gate).\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2215,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2215\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2216,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2216\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2217,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2217\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2218,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2218\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2219,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Dongsheng Car Dealership\"\nQuery Dwell Time: 25.71 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2219\nTitle: \"Beijing Dongsheng Bicycle Shop - Biketo.com\"\nSummary: \"Since opening in March 2007, Dongsheng Motorcycle Shop has been developing and growing with the help of many car lovers. The products in the shop are becoming more and more complete, the technology is becoming more and more sophisticated, and the price is becoming more and more affordable. In five words, it can be summarized as: very down-to-earth! At present, the shop...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2220,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Dongsheng Motors Fixed Gear\"\nQuery Dwell Time: 57.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2220\nTitle: \"Dongsheng Car Dealership\"\nSummary: \"This page is the introduction page of [Dongsheng Car Dealership] in Shunqi.com Danzhou Yellow Pages. If you are the person in charge and want to manage this company, you can delete the advertisement after claiming the company, or if the information is wrong and needs to be corrected or deleted, or if you are the person in charge and want to manage this company...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2221,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2221\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2222,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2222\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2223,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2223\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2224,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2224\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2225,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 53.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2225\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"At this time, fixed-gear bicycle players also appeared in Beijing, Shanghai, Guangzhou and other places, but they had not been seen in Nanjing. 2008... Because the control of the bicycle is very comfortable, fixed-gear bicycles are more suitable for playing polo than ordinary bicycles. In a fixed-gear specialty store, a...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.49 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2226,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 53.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2226\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Focus on fixed gear bikes and share fixed gear bike videos and fixed gear bike riding methods with fellow riders. We discuss fixed gear bike prices and... work together to create the most professional fixed gear blog in China!\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.6 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":2227,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 53.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2227\nTitle: \"Fixed Gear Bicycle Price and How to Buy a Fixed Gear Bicycle\"\nSummary: \"In today's fast-paced life, the functionality and practicality of fixed-gear bicycles continue to be valued. Even fixed-gear bicycles have been integrated with various design elements and remade by masters to appear in a new posture. The rigid fixed-gear bicycles are no longer...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2228,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage and weight and volume restrictions for checked luggage\"\nQuery Dwell Time: 68.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2228\nTitle: \"What are the luggage weight regulations for international flights?\"\nSummary: \"Checked luggage: International students can check in 46 kg, but a single piece of luggage cannot exceed 23 kg. There is no regulation on the size of the luggage. Carry-on luggage: The maximum size of standard hand luggage is 56*45*25 (cm), with no weight limit, but passengers must be able to carry it independently...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2229,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage and weight and volume restrictions for checked luggage\"\nQuery Dwell Time: 68.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2229\nTitle: \"Requirements for the number, weight and size of checked and carry-on luggage on general international flights.doc\"\nSummary: \"The number, weight and size requirements of checked and carry-on baggage on general international flights. International routes have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA's Zones 1 and 3, the piece-based system is adopted, stipulating that passengers in F\/C cabins can...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2230,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage and weight and volume restrictions for checked luggage\"\nQuery Dwell Time: 68.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2230\nTitle: \"[International luggage transportation instructions_International luggage check-in instructions]-China Eastern Airlines\"\nSummary: \"The weight of such items is not included in the free baggage allowance. 8.1.3.7 Liquids, gels and aerosols in each passenger's hand baggage... If two or more passengers traveling together on the same flight to the same destination check in their baggage at the same place...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 21.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2231,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 67.08 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2231\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.03 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2232,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 94.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2232\nTitle: \"What is the maximum amount of liquid items (cosmetics) you can bring on an airplane? - Yue Travel\"\nSummary: \"International flights limit each carry-on to 100ml, and a maximum of 10 bottles, which must be placed in a sealable transparent plastic bag. You need to carry it with you... Domestic flights do not require carry-on liquids to be placed in transparent bags, and can be placed in carry-on luggage. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.99 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2233,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 94.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2233\nTitle: \"How much carry-on luggage is allowed on international flights? Page 3 - Yue Travel\"\nSummary: \"Can I carry liquids on board international flights departing from Macau Airport? Liquids under 100ml can be carried on board... 1. Power banks can only be carried in hand luggage or on the person, and are strictly prohibited from being carried in checked luggage. 2. The rated capacity of the power bank...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2234,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 94.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2234\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Requirements for checked liquids on international flights I know that if you carry liquids with you, each piece is 100ml, and the total is less than 1L. You may need to pack them separately for easy inspection. So what if the liquids are checked in luggage? Are there any requirements for each piece and the total amount?\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2235,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: What items must be carried in your carry-on baggage and what items must be checked in?\"\nQuery Dwell Time: 63.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2235\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in...A large tote bag over the laptop to put some other things in 2. A large backpack (not one with wheels)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.44 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2236,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: What items must be carried in your carry-on baggage and what items must be checked in?\"\nQuery Dwell Time: 63.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2236\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in...A large tote bag over the laptop to put some other things in 2. A large backpack (not one with wheels)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.66 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2237,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 155.21 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 23.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2237\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.62 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2238,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 155.21 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 47.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2238\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.49 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2239,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 155.21 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 61.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2239\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.25 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":2240,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 79.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2240\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.26 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":2241,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 79.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2241\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2242,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2242\nTitle: \"How much does Google Glass cost?\"\nSummary: \"Why is there such a big price difference between the two Google Glasses on JD.com? The price of more than 10,000 is normal, and the one with 1,999 says that you need to consult customer service before bidding, so I guess the price is fake. How much does Google Glass cost? Beijing time, June 24 morning news, Google...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.57 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2243,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2243\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - The much hyped Google Glass is finally available for sale. Google announced that it will start a one-day sale on April 15, with a price of $1,500 (about 9,334 yuan), which is more than 10,000 yuan after tax...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.62 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2244,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2244\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"I saw that the three major domestic operators on the Hong Kong official website support it. Views Followers You can invite high-quality answerers to answer your questions faster hocok has 90157 answers in the mobile phone digital category Double beans has 20891 answers in the mobile phone digital category...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2245,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2245\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Oil Paradise - OnePlus Mobile Community Official...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. iPhone 6 and iPh ... Apple iPhone 6 supports the 4G network of the three major domestic operators, OnePlus Mobile Community Official Forum\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2246,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2246\nTitle: \"Does the Hong Kong version of iPhone 6 require an Apple power converter in the country?\"\nSummary: \"It can be used universally, but the three pins of the Hong Kong version are thicker, so they cannot be plugged into ordinary plug boards in the mainland. If you want to use it directly, you need to buy *... The differences between the three major operators have been greatly reduced. From the current situation, iPhone6\/iPhone6Plus has four... Answer: 4...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2247,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2247\nTitle: \"Apple iPhone 6 supports 4G network of the three major domestic operators - Huafen Mantan Library Huafen Club\"\nSummary: \"Apple held a press conference at the Flint Center in Cupertino, California, USA. Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports 4G of the three major domestic operators...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2248,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Can the Hong Kong version of iPhone 6 be used in mainland China?\"\nQuery Dwell Time: 54.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2248\nTitle: \"Can the Hong Kong version of iPhone be used in the mainland? - Can the Hong Kong version of iPhone 6 be used in the mainland? The difference between the Hong Kong version of iPhone 6 and the...\"\nSummary: \"1. Hong Kong version of Apple mobile phone can be used in mainland China. The difference between Hong Kong version of iPhone and mainland version of iPhone is... Locked ones are more common in Sprint, which is convenient... Can the Japanese version of iPhone 6 be used in mainland China... I personally asked Japan... With invoice, it can also be used in mainland China... Can the Korean version of iPhone 6 be used in mainland China? ... The way to check whether it is locked or not is as follows...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2249,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 is cheaper than mainland iPhone 6\"\nQuery Dwell Time: 57.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2249\nTitle: \"iPhone 6s Hong Kong version is up to 1128 yuan cheaper than mainland China_NetEase Technology\"\nSummary: \"September 11, 2015 - iPhone 6s and iPhone 6s Plus will be launched simultaneously in the Mainland and Hong Kong. Comparing the prices on Apple's official websites in the two places, after converting the exchange rate, different versions of iPhone 6s and iPhone 6s Plus are cheaper in Hong Kong than in the Mainland, about 688 to...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2250,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 is cheaper than mainland iPhone 6\"\nQuery Dwell Time: 57.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2250\nTitle: \"500 yuan cheaper than the national version, iPhone6 \u200b\u200bHong Kong version is only 4600 yuan - Apple iPhone6 \u200b\u200b(all network compatible)_He...\"\nSummary: \"(Zhongguancun Online Anhui Market) iPhone 6 has been on the market for a long time. Due to the open supply of Hong Kong stocks some time ago, the price of iPhone 6 in mainland China and Hong Kong will definitely drop. The launch of the new iPhone is of great significance to Apple. Apple uses it to redefine...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2251,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price in Hong Kong\"\nQuery Dwell Time: 139.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2251\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Xia Ya asked: Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China? The editor recommends the answer: One or two... If I buy an iPhone 4s from Hong Kong and bring it to mainland China, do I need to pay customs duties? How much is it? For personal use, not...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.64 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2252,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties if I buy an iPhone 6 in Hong Kong and bring it back to mainland China?\"\nQuery Dwell Time: 139.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2252\nTitle: \"[Customs response] Why do you have to pay 10% tax when you buy an iPhone 6S from Hong Kong? - Weikou.com\"\nSummary: \"The customs border of my country (mainland) is smaller than the national border of my country. Hong Kong and Taiwan of my country currently have their own customs laws, the \"China Customs Law\". What to do with the confiscated iPhone? Public auction, and the proceeds will be turned over to the national treasury. Why do we have to collect tariffs? Tariffs are often national taxes... 6S\/6S Plus is on the first release list, but there are still many consumers who buy them in Hong Kong and bring them to the mainland for use. Customs reminds that iPhone...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 94.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2253,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where can I buy iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 23.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2253\nTitle: \"I want to ask where I can buy an iPhone 6 in Hong Kong to get a licensed product with guaranteed quality. I can also get it back after I return...\"\nSummary: \"I want to ask where I can buy an iPhone 6 in Hong Kong to get a genuine product with guaranteed quality. I can also get a free replacement after returning from warranty. Buying an iPhone 6 on a free trip 3477 views 0 people follow Follow Answer 5 answers [The questioner accepts] 1. Now Apple stores still need...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2254,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 23.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2254\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.92 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2255,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Opening Hours\"\nQuery Dwell Time: 59.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2255\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2256,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Opening Hours\"\nQuery Dwell Time: 59.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2256\nTitle: \"Tsinghua University Chen Ming Swimming Pool_Beijing Swimming Pool Reservation_Dongwang\"\nSummary: \"Good Review Average Review Bad Review Tsinghua University West Dragon in the Sky Shadow Theater Old Summer Palace Coastal Billiards Club About Us Contact Us Careers Site Map Merchant Login Event Release Local Information Account Recharge Balance Payment Online Payment Booking Process\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2257,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Opening Hours\"\nQuery Dwell Time: 59.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2257\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store): \"The 10 yuan ticket in the following comment is not...\"\nSummary: \"Shengnan 9087's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): Is the 10 yuan ticket in the comment below outdated? I went there on April 13th, and the non-school personnel were 25 yuan\/person. It is mainly divided into time periods, and after 2:00~3:30 in the afternoon, it is 5:00~6:...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2258,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2258\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Weapons 7 Historical significance 8 Aircraft fleet 9 Other information 10 Service dynamics 11 Social impact 12 Rotation in China's three major seas... Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters 10.5 meters Displacement 55,000 tons (standard... It also marks that the Liaoning aircraft carrier has begun to have the ability of a maritime formation battle group. Basic information Chinese name Liaoning aircraft carrier...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 105.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2259,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2259\nTitle: \"Review of the development of the Chinese Navy and comparative analysis of the strength of Chinese and foreign navies\"\nSummary: \"From the performance parameters, the length, width, speed and other data of 052C are not much different from the other three ships, but the displacement is larger than that of the Japanese... Liaoning Admiral Kuznetsov Nimitz-class aircraft carrier Length (m) 304.5 304.5 332.8 Breadth (... However, the displacement of the US Nimitz-class aircraft carrier is more than 40,000 tons more than that of the Liaoning, which shows the difference between the two aircraft carriers in terms of basic data...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2260,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2260\nTitle: \"2010 Japan's Self-Defense Forces weapons and equipment developed rapidly and expanded rapidly_Nanhai News Center\"\nSummary: \"December 18, 2010 - The standard displacement of the \"Akizuki\" is about 5,000 tons, and the full load displacement is 6,800 tons. The ship is 150.5 meters long, 18.3 meters wide, with a maximum speed of 30 knots and a crew of 200 people. The main weapons and equipment include the Type 90 ship-to-ship missile, the improved... In particular, the weapons and equipment of its maritime self-defense force have developed rapidly, laying a solid foundation for its development of ocean-going operations. ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2261,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2261\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Weapons 7 Historical significance 8 Aircraft fleet 9 Other information 10 Service dynamics 11 Social impact 12 Rotation in China's three major seas... Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters 10.5 meters Displacement 55,000 tons (standard... It also marks that the Liaoning aircraft carrier has begun to have the ability of a maritime formation battle group. Basic information Chinese name Liaoning aircraft carrier...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2262,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"History of Liaoning\"\nQuery Dwell Time: 82.22 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2262\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2263,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2263\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 -It is a strategic weapon with expansion (high self-sustaining ocean-going combat capability), and its role is to make money. On the surface, although aircraft carriers have good combat power, they are not invincible. Submarines, missiles, destroyers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2264,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2264\nTitle: \"Aim high: The three major functions of China's aircraft carrier strategy - Xilu Eastern Military - Xilu.com\"\nSummary: \"The first major function of China's aircraft carriers is to make diplomatic strategic statements. There is no need to waste words on whether China should have aircraft carriers. Take the evacuation of Chinese citizens from Libya as an example. If China uses aircraft carrier formations to escort large passenger ships to Libya, the cost-effectiveness will be higher...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2265,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2265\nTitle: \"The strategic and military role of China's development of aircraft carriers\"\nSummary: \"At present, people are more concerned about what role or function China's aircraft carriers will play, the next step of aircraft carrier development planning, the economy's benign and sustainable supply capacity for the development of aircraft carriers, and the role of aircraft carrier development in boosting the economy.\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2266,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2266\nTitle: \"The Strategic Significance of China's Construction of Aircraft Carriers in the Nuclear Age\"\nSummary: \"Aircraft carrier battle groups still play a major role in determining the outcome of wars, especially for coastal and offshore countries. China's aircraft carrier complex 1. A century of vicissitudes and the loss of maritime power in the Chinese navy Since China's defeat in the Sino-Japanese War of 1895, the navy has...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2267,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2267\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 -It is a strategic weapon with expansion (high self-sustaining ocean-going combat capability), and its role is to make money. On the surface, although aircraft carriers have good combat power, they are not invincible. Submarines, missiles, destroyers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2268,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2268\nTitle: \"To make aircraft carriers work, strategic courage is most needed\"\nSummary: \"To make aircraft carriers work, strategic courage is most needed. Zhang88 China's first aircraft carrier is about to be launched. This is a major event that the Chinese people have been looking forward to for a long time. They especially hope that with the aircraft carrier, the strategic environment around China will gradually improve...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.79 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2269,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 93.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2269\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"The biggest advantage of US aircraft carriers is that they have two catapults. Baldwin recalled that during the \"Desert Storm\" airstrike on Iraq, an F\/A-18 fighter jet on the \"Midway\" had a fuel leak and the fighter jet had to make an emergency landing within 6 minutes, otherwise the aircraft would...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.07 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":2270,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 213.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 199.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2270\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.43 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":2271,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 213.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 199.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2271\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2272,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 222.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing\"\nQuery Dwell Time: 207.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2272\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2273,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 222.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing\"\nQuery Dwell Time: 207.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2273\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2274,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle stores near Tsinghua University\"\nQuery Dwell Time: 78.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2274\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"Where are the physical stores selling bicycles near Tsinghua University, Peking University, Beijing University of Science and Technology, and Physical Education University? Please report any political\/pornographic violations tnjmjohmjmz 09-24 10:30:39 Thank you ls Zbohnbo North of the west gate of Tsinghua University, Merida and Giant stores,...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2275,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle stores near Tsinghua University\"\nQuery Dwell Time: 78.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2275\nTitle: \"[Phoenix Bicycle Tsinghua Ximen Store] Phoenix Bicycle Tsinghua Ximen Store Phone Number, Phoenix...\"\nSummary: \"The phone number of Phoenix Bicycle Tsinghua Ximen Store is, and the address of Phoenix Bicycle Tsinghua Ximen Store is. In addition, you can also view the map, public transportation and nearby popular places of Phoenix Bicycle Tsinghua Ximen Store.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2276,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 96.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2276\nTitle: \"\u3010Continew Fixed Gear Bicycle Concept Store\u3011Continew Fixed Gear Bicycle Concept Store Phone Number,...\"\nSummary: \"The address of the Continew Fixed Gear Bicycle Concept Store is Room F-16, Zhucheng Building, No. 6, Zhongguancun South Street (directly opposite the east gate of Friendship Hotel). You can also check the map, public transportation and nearby popular places of the Continew Fixed Gear Bicycle Concept Store...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2277,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 96.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2277\nTitle: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store...\"\nSummary: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store - China's largest fixed gear online store! Dedicated to the development and promotion of China's fixed gear sports and fixed gear culture, with the concept of low-carbon environmental protection and fashionable lifestyle, we provide personalized customization of genuine fixed gear...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2278,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2278\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2279,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2279\nTitle: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store...\"\nSummary: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store - China's largest fixed gear online store! Dedicated to the development and promotion of China's fixed gear sports and fixed gear culture, with the concept of low-carbon environmental protection and fashionable lifestyle, we provide personalized customization of genuine fixed gear...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2280,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2280\nTitle: \"Beijing HopeBike Fixed Gear Store - Pictures - Beijing Shopping - Dianping.com\"\nSummary: \"The photo page of Beijing HopeBike fixed gear store provides 1 real photo uploaded by a Dianping.com user.\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2281,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2281\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle. Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle.\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2282,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2282\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2283,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 290.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 266.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2283\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"Hope this helps! 2017 International Flight Baggage Rules Air China introduces a new policy of free checked baggage! After that, you can take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (not...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 159.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2284,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 290.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 266.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2284\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"International flight baggage regulations? International flight baggage regulations are a rule that many friends are unfamiliar with. So what are the contents of international flight baggage regulations? International flight baggage regulations? When taking an international flight, the total weight of hand luggage is 7 kg...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2285,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 290.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 266.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2285\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2286,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2286\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 106.1 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2287,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2287\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"What are the ways to quit smoking? Smoking has many side effects, and stomach problems are one of them. Researchers at Osaka City University in Japan found that quitting smoking can improve the symptoms of a gastrointestinal disease, gastroesophageal reflux disease, and relieve the \"burning tobacco...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2288,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2288\nTitle: \"The benefits of quitting smoking - Quit smoking_The harm of smoking_The best way to quit smoking_E-cigarette brand|18 bends to quit smoking\"\nSummary: \"What are the health benefits of quitting smoking? Are there any resources that can help? Lung cancer is the leading cause of cancer death. Every year, about one in... Published: Smoking has many side effects on organs throughout the body, and stomach problems are one of them. Osaka City, Japan...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.1 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":0}
-{"id":2289,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2289\nTitle: \"What are the benefits of quitting smoking? How to quit smoking effectively?\"\nSummary: \"What are the benefits of quitting smoking for babies? Chinese medicine quitting smoking has many benefits. There are many benefits for men to quit smoking. Many diseases are not entangled. Do you care about yourself? Is the beauty-purifying plum effective for weight loss? Does essential oil weight loss have side effects? Is fasting exercise effective for weight loss? How to lose belly fat quickly...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2290,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 32.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2290\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.97 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2291,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2291\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.65 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":2292,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2292\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2293,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2293\nTitle: \"Google Glass - How is Google Glass? How does Google smart glasses connect to the Internet? Google Glass...\"\nSummary: \"Google Glass We are working hard to load it for you... [Google Glass No. 1] Sold: 0 pieces Price: 338.00 yuan [Google Glass No. 2] Sold: 0 pieces Price: 328.00 yuan [Google Glass No. 3] Sold: 0 pieces Price: 338.00 yuan ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 33.47 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2294,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2294\nTitle: \"Is Google Glass worth it? \u2014\u2014People's Daily Online Chongqing Window\u2014Chongqing's authoritative news portal\"\nSummary: \"May 16, 2014 - Google announced on May 13 that it would start supplying Google Glass in the US market with a price of $1,500. On the same day, IHS, a US industry information provider, released a report saying that the production cost of Google Glass is only $152.47...\"\nRank: 14\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 44.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2295,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 142.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2295\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2296,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 142.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2296\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.15 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2297,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 477.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2297\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2298,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 477.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2298\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I want to know about the purchase of iPhone 6 in July~ 8515 views 0 people follow Follow Answer 10 answers [The questioner accepts] It is not convenient for you to go to those three...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2299,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 477.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2299\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong? - _New Knowledge Information\"\nSummary: \"Is there any difference between the Chinese iPhone 6P and the Hong Kong version? Which one is better? ? ... The difference lies in the different regions where they are sold. The Chinese version is more expensive because of taxes. Hong Kong sells things tax-free, so some people smuggle Hong Kong products to the mainland...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 180.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2300,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Domestic iPhone 6 price\"\nQuery Dwell Time: 193.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2300\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it, and wait until the supply is relatively stable [View Details] There are fewer and fewer reasons to jailbreak iOS 8 official version experience 2014-09-18 After a long time...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 155.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2301,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 126.02 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 117.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2301\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.74 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2302,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 126.02 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 117.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2302\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Dianping.com provides you with parking information about Chenming Swimming Pool (Tsinghua University Swimming Pool), how much is the parking fee at Chenming Swimming Pool (Tsinghua University Swimming Pool), and how to park nearby. You can also share your experience at Chenming Swimming Pool (Tsinghua University...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.75 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":2303,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 126.02 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 117.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2303\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.38 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2304,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 272.91 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 264.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2304\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 86.86 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2305,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 196.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 176.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2305\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2306,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 196.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people New employee ice-breaking game\"\nQuery Dwell Time: 176.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2306\nTitle: \"\u3010Ice-breaking game for new employees\u3011-liepin.com\"\nSummary: \"Number of people: 5-10 people Props: None Suitable occasions: ...View all Introduction: Through the group, their affinity motivation and influence motivation are stimulated, all of which are stimulated through small games. The following is a new tool for employee motivation shared by the editor: gamification,...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 75.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2307,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Attractions\"\nQuery Dwell Time: 224.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2307\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 98.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2308,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Attractions\"\nQuery Dwell Time: 224.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2308\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 78.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2309,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Transportation Accommodation Entertainment\"\nQuery Dwell Time: 243.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2309\nTitle: \"How to get to Shidu Village, Shidu Town, the address of Shidu Qiyi Mao Farmhouse, map - Beijing - Dianping.com\"\nSummary: \"The farmhouse integrates catering, accommodation and entertainment, with convenient transportation and beautiful environment. Shidu Gushanzhai and Donghu Port are evenly distributed on both sides, and the Juma River in front of the door is in full view, and the Longshan Mountains are opposite. If you can come to Shidu Farmhouse in your spare time...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 89.61 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2310,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Transportation Accommodation Entertainment\"\nQuery Dwell Time: 243.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2310\nTitle: \"Shidu Ecological Village, Transportation and Accommodation Information_Page 1_Photography Travel_Tourism_Xici Hutong\"\nSummary: \"Transportation Information Yunze Villa is located in Sandu of Shidu Scenic Area. Since Shidu is an old scenic area in the suburbs of Beijing, the transportation facilities are very good. It is suitable for friends and family to stay together. The standard room is priced at 880 yuan per night, and now you can enjoy the special package price of 488 yuan, including luxury...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2311,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Transportation Accommodation Entertainment\"\nQuery Dwell Time: 243.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2311\nTitle: \"Introduction and service facilities of Beijing Shidu Qixia Hotel\"\nSummary: \"Introduction and facilities of Beijing Shidu Qixia Hotel Beijing Shidu Qixia Holiday Hotel is your ideal choice for food and accommodation. The farmhouse integrates catering, accommodation and entertainment. It has convenient transportation and beautiful environment. Shidu Gushan Village and Donghu Port are evenly distributed. The distance is not far from each other...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 54.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2312,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Accommodation\"\nQuery Dwell Time: 313.63 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2312\nTitle: \"Where to stay in Shidu?\"\nSummary: \"There are many guides for Shidu, but I think the guide for accommodation in Shidu is undoubtedly the most important. Why is that? ? I think that after a day of fun, finding a good place to stay can not only relax your body and get enough rest, but also prepare for the next day's play...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2313,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Accommodation\"\nQuery Dwell Time: 313.63 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2313\nTitle: \"Where to stay when visiting Shidu? Any good accommodation recommendations in Shidu? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where to stay in Shidu? Any good accommodation recommendations in Shidu? Where to stay in Shidu? Any good accommodation recommendations in Shidu? 14880 views 0 people follow Follow Answer 3 answers When you come to Shidu, you usually stay in a farmhouse. The farmhouses in Shidu...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2314,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu\"\nQuery Dwell Time: 350.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2314\nTitle: \"Beijing Shidu Tourism Network-Fangshan Shidu World Geopark-Shidu Scenic Area Portal\"\nSummary: \"Shidu Tourism Network is the portal website of Shidu Scenic Area, providing you with a comprehensive introduction to the scenic area, timely Shidu tourism information, exciting and rich tourist routes, and farmhouse accommodation information. There are also Shidu videos, travel guides, and photography works for your reference. ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 327.42 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2315,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 167.29 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2315\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-30 \/ General Merchant 159 RMB Very beautiful, solid, good for riding bicycles, low price transfer, red, suitable for both boys and girls... Fixed Gear Bicycles, Road Bicycles... Haidian - Beihang University \/ 11-22 \/ General Merchant 160 RMB 140 RMB for sale, folding bikes,...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.45 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2316,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 167.29 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2316\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 45.53 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2317,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2317\nTitle: \"Does anyone know where there is a fixed gear bike shop in Haidian District, Beijing, with reasonable prices? I am a student and want to buy...\"\nSummary: \"Fixed gear accessories are complete, free color matching. Popular questions and answers Laying water and electricity pipeline diagram Science and Technology Museum, near the Bird's Nest Jianyuan Decoration Company If you are not a local and just go to college in Tianjin, don't buy a pet! ... Full text Bay window modification issues All have to change cars. Start with Xinbin...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.81 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2318,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2318\nTitle: \"Haidian Fixed Gear Store Anniversary Sale Fixed Gear Sale Site DIY Free Shipping in the City - Beijing Municipality Second-hand Car Information\"\nSummary: \"Haidian Fixed Gear Store celebrates the anniversary of the fixed gear sale. DIY fixed gears are available for free shipping in the city. The fixed gear store has launched special fixed gears. Our store has many colors and styles, and the configuration is relatively high. All of them have quality assurance and after-sales service. This store is a physical store of fixed gears, not an online store. Customers are welcome to visit the store...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.48 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":2319,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2319\nTitle: \"[Haidian second-hand venue\/fixed gear|Haidian second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Haidian Second-hand Vents\/Fixed Gear Market provides you with a large number of Haidian Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Haidian Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to 58.com Haidian Second...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2320,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2320\nTitle: \"Rainbow Fixed Gear Bicycle DIY Store, Beijing Rainbow Fixed Gear Bicycle DIY Store Phone Number_Address_Beijing Address...\"\nSummary: \"Introduction to Rainbow Fixed Gear Bicycle DIY Store: The address of Rainbow Fixed Gear Bicycle DIY Store is Weigongcun Road, Haidian District... Second-hand houses, rental houses, shopping malls, leisure and entertainment, beauty and fitness, convenience services, medical and health care, etc. are all around Rainbow Fixed Gear Bicycle DIY Store.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 68.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2321,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2321\nTitle: \"Makara Fixed Gear Park: \"The entry-level fixed gear for beginners is still more than 1,500 yuan, and they earn too much...\"\nSummary: \"Absolutely dazzling, I sell this directly from my own factory. I specialize in fixed gears, mountain bikes, and BMX bikes. Address: North Street, Zhongguancun, Haidian District Tel: 010-62625192 Category: Summer Palace\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 141.07 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2322,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 468.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2322\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 425.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2323,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 237.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2323\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8899 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2324,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 237.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2324\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 29.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2325,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 237.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2325\nTitle: \"What is a fixed gear? How to choose and ride a fixed gear (8) - Sanjiu Health Hall\"\nSummary: \"Things to note when riding a fixed-gear bike: Keep your sight as far as possible when riding a fixed-gear bike. It is not easy to ride a fixed-gear bike well. There are many details to pay attention to when riding a fixed-gear bike, such as where to look when riding a fixed-gear bike. If you don't pay attention to this problem, you will really fall...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2326,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage\"\nQuery Dwell Time: 233.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2326\nTitle: \"New regulations for checked baggage when flying to the United States [Numbers speak... We can't afford to mess with checked baggage] - [Everyone shares...\"\nSummary: \"For those who are going to the United States to study, checked luggage is obviously a big concern for them! So the baggage check-in before boarding is more or less different for each airline, such as price, weight limit, etc. ~ Let's take a look at some of the United States and China...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 154.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2327,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage\"\nQuery Dwell Time: 233.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2327\nTitle: \"Air China's new international regulations: Free baggage for flights to the United States and other places is reduced to 1 piece | International | United States | International flights_New...\"\nSummary: \"May 16, 2016 - Air China's new international regulations: Free baggage for flights to the United States and other places is reduced to one piece. Reporters learned that Air China has launched a new policy of free checked luggage. From 00:00 on June 15 (ticket purchase date), passengers who take Air China's actual flights to the Americas, Europe,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2328,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage Liquids\"\nQuery Dwell Time: 127.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2328\nTitle: \"The latest regulations on checked baggage for each airline flying to the United States_US air tickets and travel\"\nSummary: \"3. Continental (Continental Airlines, merged with UA, baggage requirements are exactly the same as UA, please refer to the above... Inch: Inch, imperial unit of length Liquids: Liquid Economy Class (cabinet): Economy class, generally...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.13 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2329,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage Liquids\"\nQuery Dwell Time: 127.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2329\nTitle: \"What you can and cannot bring into the United States\"\nSummary: \"If your flight is from Beijing to Shanghai and then to the United States, you will usually check your luggage in Beijing. Regarding U.S. customs,... Dairy products are generally allowed. Including yogurt and cheese, but because they are liquids, they must be checked. Soy products are...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.63 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2330,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage Liquids\"\nQuery Dwell Time: 127.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2330\nTitle: \"Can I check in liquids when I fly to the United States? - Qyer Q&A\"\nSummary: \"If you bring it with you, each liquid package cannot exceed 100ml, and then put all of them in a transparent bag. However... Also note that domestic flights in the United States require checked baggage, except for some airlines.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2331,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States, you cannot check in your luggage\"\nQuery Dwell Time: 103.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2331\nTitle: \"Shocked! Can't bring laptops with you when flying to the United States? | Meijing App\"\nSummary: \"May 19, 2017 - EU and US officials will meet in Washington next week to discuss the technical practicalities of expanding the ban. US... Many companies are likely to prohibit employees from checking in laptops because of concerns about the risk of sensitive information leakage.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2332,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States is prohibited\"\nQuery Dwell Time: 78.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2332\nTitle: \"International standards may be revised: laptops will be banned from checked baggage on airplanes_Phoenix Technology\"\nSummary: \"October 23, 2017 - On October 23, I believe that many people will choose to put their laptops in the luggage for check-in when they take a plane, but this service may no longer be allowed in the future. The Fortune magazine website reported on the 21st that...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2333,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Must carry on when flying to the United States\"\nQuery Dwell Time: 336.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2333\nTitle: \"You can't bring glasses cases with you when flying to the United States - Sohu News\"\nSummary: \"August 31, 2006 - Today's News (Chen Song, trainee reporter Dong Baoyu) Starting tomorrow, if you fly to the United States, you cannot carry your glasses case with you, you must check it in. American airlines have made a special rule this time: in carry-on luggage, whether it is contact lenses or...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2334,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Checked baggage is required for flights to the United States\"\nQuery Dwell Time: 109.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2334\nTitle: \"AA Airlines, Shanghai to Los Angeles, transfer to San Francisco, checked baggage issues - Mafengwo\"\nSummary: \"Before you check in, you can confirm with the flight attendant. There are at least 2-3 Chinese-speaking flight attendants on domestic flights to the United States. AA baggage check-in regulations: Yes, AA airlines do have regulations that the three sides of the luggage cannot exceed 158CM. But in general...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2335,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Checked baggage is required for flights to the United States\"\nQuery Dwell Time: 109.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2335\nTitle: \"Can I carry cosmetics such as face cream on flights to the United States? Do I have to check them in? Or can I bring them...\"\nSummary: \"Cosmetics and even baby products cannot be brought on planes to the United States. However, your items are creams and liquids. If you find it troublesome or don't want to bother, it is recommended that you check them in. Because these items are in the category of whether they can be checked or not...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2336,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Checked baggage is required for flights to the United States\"\nQuery Dwell Time: 109.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2336\nTitle: \"United Airlines China to the United States: Check in three pieces of luggage. I have a question for you experts: In the United States...\"\nSummary: \"Home Discover Topics Login Join Zhihu International Flights Study Abroad United Airlines Star Alliance US Travel 11 Views ... Shanghai-Los Angeles-Houston, United Airlines ticket, free check-in of two boxes, extra $200 for the third box...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2337,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Check-in Information\"\nQuery Dwell Time: 636.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2337\nTitle: \"Traveling to the United States: Airplane and checked baggage tips_Xin Blog\"\nSummary: \"The United States is limited to one piece of checked baggage per person, and the weight of each piece must not exceed 23 kg; Canada is limited to one piece per person, and the weight must not exceed 23 kg; there is no free checked baggage on domestic flights. The first piece of luggage is charged at US$20 per piece, and the second piece of luggage will be charged at US$30...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 255.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2338,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Check-in Information\"\nQuery Dwell Time: 636.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2338\nTitle: \"[2017] Things to note when taking international flights to the United States doc download_iAsk shared document\"\nSummary: \"However, once you enter a place, you need to pick up your checked luggage. For example, if you fly from China to the United States, transfer once in Japan, transfer again in Chicago, and your final destination is Detroit, then you are just transiting in Japan, so you don't need to pick up your luggage when you arrive in Chicago...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 234.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2339,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Check-in Information\"\nQuery Dwell Time: 636.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2339\nTitle: \"What should I pay attention to when checking baggage with China Eastern Airlines to Los Angeles - Los Angeles Chinese Information Network\"\nSummary: \"I will take Delta Airlines from the United States to Shanghai Pudong Airport, and then take China Eastern Airlines domestic flight from Shanghai Pudong Airport to Kunming the next day. Delta Airlines allows 2 pieces of checked luggage for free. Can I take China Eastern Airlines the next day?\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2340,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2340\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.59 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2341,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2341\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.6 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2342,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 173.36 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2342\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 139.4 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2343,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 266.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2343\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2344,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 266.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2344\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2345,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2345\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.72 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2346,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2346\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2347,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 197.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2347\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 66.45 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2348,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 197.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2348\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 83.56 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":2349,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 53.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2349\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2350,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 187.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2350\nTitle: \"First experience with Google Glass: powerful and easy to use - Alibaba Cloud Information Network\"\nSummary: \"When I used the \"Read Aloud\" feature, Google Glass read the bold text as \"asterisks\"... Also, because I wore a visor with Google Glass, many people didn't notice that I was wearing Google Glass. Previously...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 103.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2351,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 187.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2351\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"2 How to use Google Glass Suggestions: Search online for Google Glass tutorials. Here are 3 ways: 1.... Setting up Google Glass is very simple. First, you need to install the MyGlass app on your Android phone, then...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.5 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2352,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 187.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2352\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"Plug the mouse cable into the back of the base, make sure the Google Glass battery is sufficient to start the mouse, there is an ON\/OFF prompt under the mouse, flip the switch to the ON position, and make sure the base is powered, click another oval button,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2353,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass How it works\"\nQuery Dwell Time: 73.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2353\nTitle: \"Developers teach you how to operate Google Glass? _Page 1_Nanjing Book World IBMthinkpad computer...\"\nSummary: \"Dan McLaughlin was one of the first people to get the developer version of Google Glass... He also released a video of the unboxing of Google Glass as soon as possible, although the quality of the video was\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.77 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2354,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass How it works\"\nQuery Dwell Time: 73.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2354\nTitle: \"What is Google Glass used for? The practical application of Google Glass is revealed_ChaChaBa\"\nSummary: \"Display real-time information in front of the user, and you can take photos and upload them, send and receive text messages, check weather and road conditions, etc. with just a blink of an eye. Next, let's take a look at the actual application of Google Glass. 1. Get notifications and reminders Google Glass can directly...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2355,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"hong kong iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 288.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2355\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 960 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2356,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"hong kong iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 288.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2356\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"When the iPhone 6 was first launched in Hong Kong, the price of the iPhone 6 sold in Changchun reached a maximum of 16,000 yuan. After that, the price gradually dropped from 9,000 yuan to 7,500 yuan, and then from 7,500 yuan to 6,800 yuan. During the National Day...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 136.86 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2357,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Apple Hong Kong official website\"\nQuery Dwell Time: 468.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2357\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, plus explore accessories, entertainment, and expert device support.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 438.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2358,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone import tariffs\"\nQuery Dwell Time: 130.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2358\nTitle: \"How much customs duty do I need to pay for bringing a mobile phone into the country from Hong Kong? - Customs duty collection and administration - Customs duty consultation - Tax collection consultation...\"\nSummary: \"Is it smuggling to bring back two iPhone 6s from Hong Kong and resell them? Is there any legal basis for the iPhone 6 to be tax-free? ... How to calculate? Answer: According to the General Administration of Customs Announcement No. 25 of 2007, the duty-paid value of inbound passenger luggage and personal mail items...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2359,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone import tariffs\"\nQuery Dwell Time: 130.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2359\nTitle: \"Is it considered smuggling to bring an iPhone from Hong Kong into the mainland? - Consultation Center - China Customs Lawyers Network\"\nSummary: \"I bought 30 iPhones from Hong Kong for my friend, each costing about 4,000 yuan. If I put them in a suitcase, will the customs check it? If they check it, do I have to pay customs duties? It won't be considered smuggling, right? Answer: Hello. According to the General Administration of Customs Announcement No. 72 of 2007,...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2360,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 import tariff\"\nQuery Dwell Time: 172.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2360\nTitle: \"What are the regulations for bringing iPhone 6 into the country? _IT Breaking News_Nanfang.com\"\nSummary: \"September 29, 2014 - The tax is about 440 yuan. In practice, the customs recommends that everyone who travels to Hong Kong should bring one iPhone 6 for personal use into the country, and then declare it actively and the tax will be collected; you can also choose...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 126.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2361,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2361\nTitle: \"Reliable news: China Mobile 4G network supports iPhone 6 versions in mainland China and Hong Kong_Sina Guangdong_Sina.com\"\nSummary: \"September 1, 2014 -Whether the 5.5-inch model will be released has not yet been determined. What is certain is that this time in China (including Hong Kong)... Telecommunications operators are actively preparing for the launch of iPhone 6. The launch of iPhone 6 is an annual event in the communications industry.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 118.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2362,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2362\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The Hong Kong version of iPhone 6 can \"cover all 3G and 4G standards of all operators in the world\", and is \"all-network compatible\", with a very high cost performance. Several anxious mainland consumers took their iPhone 5s and asked the clerk if they could use the old...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 137.43 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2363,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2363\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 64.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2364,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2364\nTitle: \"Can anyone tell me whether the Hong Kong version of iPhone 6 plus supports China Telecom?_Computer network problem_Tubatu ask\"\nSummary: \"The hardware of iPhone 6 supports the telecommunications network, but since there are no operators using CDMA networks in Hong Kong, there are two models of iPhone 6 in Hong Kong: A1549 and A1586. A1549 is divided into GSM version and CDMA version. GSM...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 150.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2365,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iphone6 \u200b\u200bTelecom crack\"\nQuery Dwell Time: 109.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2365\nTitle: \"How to use China Telecom SIM card on iPhone 6\/plus - Mobile China Forum\"\nSummary: \"[Tutorial] How to use the telecom card on iPhone 6\/plus in Hong Kong [Weekend Benefits] Issue 19: The most impressive movie for you Mobile phone photography of the small country San Marino \"Trendy\" & \"accumulated\" Hong Kong Using mobile phone camera, strolling on the streets of Chengdu Powerful battle...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.7 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2366,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iphone6 \u200b\u200bTelecom crack\"\nQuery Dwell Time: 109.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2366\nTitle: \"Can the Hong Kong version of iPhone 6 be cracked and used with a telecom card?_Second-hand mobile phone forum_PConline product forum\"\nSummary: \"There is no China Telecom in Hong Kong~ The Macau version is OK~ Signature My business card http:\/\/img.pconline.com.cn\/images\/upload\/... There may be a crack soon... Signature Guangzhou welcomes you Lv12 Pacific Fleet Admiral Contribution 5095, distance...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.89 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":2367,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 162.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2367\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Tsinghua University 11 How many high school students, how many people dream of this place, I can only club, I can't come here to study but I can still come here to swim haha, the environment here is very good, the water quality is also good, especially the price is very cheap, \uffe518 per person is already...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.96 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2368,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 162.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2368\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"I'm looking for: The student price of 7 yuan for the swimming pool is still very cheap, and there are often a lot of people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, there are diving platforms and springboards, usually only used for classes and training and not open to the public...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.05 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2369,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Card Application\"\nQuery Dwell Time: 77.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2369\nTitle: \"Transfer Tsinghua University Swimming Pool Student Swimming Card tam10 Shuimu Community\"\nSummary: \"Graduation Ceremony Pick-up 01 in Shinjuku gana986 Fresh 418 siro2629 Ero Geba ~ Tree's Torment pmc003 Ultimate Schoolgirl Uppers I spn381 College Girl's School Festival Queen vnds305 The Husband of the Next Door Living in the Housing Complex...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2370,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Card Application\"\nQuery Dwell Time: 77.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2370\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"If you don't swim too often, you can buy a 3-month season pass issued by Haidian Swimming Pool, which is slightly more expensive than Tsinghua's. Answer creator Buyi Acceptance rate: 0% Answer time: I will answer Welcome to Business Tips! Dear, please log in to start your business tips...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.57 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":2}
-{"id":2371,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Student Price\"\nQuery Dwell Time: 217.56 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2371\nTitle: \"[Beijing Peking University Tsinghua Swimming Pool Price | Swimming Club | Baby Swimming Pool] - Beijing Ganji.com\"\nSummary: \"Beijing Ganji.com Swimming Channel is a professional free inquiry and release platform for swimming information of Peking University and Tsinghua University in Beijing, including the price of Peking University and Tsinghua University swimming pool, swimming club, baby swimming pool, swimming service phone number, price and other information. Find Beijing Peking University and Tsinghua University swimming...\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2372,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 67.13 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2372\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.9 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2373,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 67.13 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2373\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.92 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2374,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 47.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2374\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2375,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 298.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2375\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.62 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2376,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 127.95 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2376\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.91 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2377,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Comparison\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2377\nTitle: \"Which one of the Japanese aircraft carrier \"Izumo\" and the Chinese aircraft carrier \"Liaoning\" has stronger combat capability? -...\"\nSummary: \"Liaoning is just an experimental platform. It is unfair to compare it with mature weapons. The Japanese ship is the second one, and Liaoning is still under test. The carrier-based aircraft are still under test, and they take off without bombs, so it will take some time to form combat effectiveness. The Japanese...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2378,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Comparison\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2378\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 38.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2379,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other aircraft carriers\"\nQuery Dwell Time: 164.98 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2379\nTitle: \"The newly launched Liaoning is currently the most advanced aircraft carrier in the world\"\nSummary: \"The Liaoning is a medium-sized aircraft carrier with a displacement of 65,000 tons. Therefore, there is a criticism that why it is not a large aircraft carrier? The reason is that the contemporary naval concept is not that the larger the better, the current size is the best. And the United States...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2380,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other aircraft carriers\"\nQuery Dwell Time: 164.98 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2380\nTitle: \"Comparison of main aircraft carriers in various countries around the world - Navy version - Super Base Military Forum - The most influential military...\"\nSummary: \"You need to download or view, no account? Join the super large military x aircraft carrier comparison related posts The most influential military... Comparison chart of the main aircraft carriers of various countries in the world, comparison chart of the main aircraft carriers of various countries in the world-Navy version-\u2261 Super Military Zone \u2261-Super Base Camp Military...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2381,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 205.89 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2381\nTitle: \"Chinese media commented on the commissioning of China's first aircraft carrier: of great strategic significance_Military Channel_ifeng.com\"\nSummary: \"September 26, 2012 - The article \"Land and Navy's Deep Blue Economy, Multiple Strategies of Sea Power\" in Taiwan's China Times stated that the construction of aircraft carriers by the mainland has multiple strategic significances and urgent practical needs. Aircraft carriers can improve the long-range combat capabilities of the Chinese Navy at sea...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.64 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2382,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 205.89 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2382\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 96.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2383,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.04 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employees icebreaker game 10 people\"\nQuery Dwell Time: 86.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2383\nTitle: \"\u3010Ice-breaking game for new employees\u3011-liepin.com\"\nSummary: \"1. New employee training, first clarify ...New employee onboarding ice-breaking game related information 1. Tug of war is actually the best way to show unity... Number of people: 5-10 people Props: None Suitable occasions: ...View all Introduction: Through the group, their affinity motivation, influence...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 67.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2384,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing surrounding area travel in May\"\nQuery Dwell Time: 39.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2384\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2385,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings 7-Day Tour in May\"\nQuery Dwell Time: 77.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2385\nTitle: \"Mentougou District May 1st Tourism Activities [May 1st-7th] - Beijing - Bindou.com\"\nSummary: \"During the \"May Day Golden Week\", there are many tourist activities. Tourist Transportation Guide: From May 1st to May 7th, Beijing Tourism... Miaofeng Mountain has become one of the most culturally rich scenic spots around Beijing. The famous Miaofeng Mountain Niangniang Temple was built in...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.88 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2386,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings 7-Day Tour in May\"\nQuery Dwell Time: 77.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2386\nTitle: \"Beijing Travel Agency_Five-day Tour Quote_Beijing Tour Group Quote Five-day Tour\"\nSummary: \"End of a pleasant trip to Beijing. Our Beijing travel agency shuttle bus has a unified group delivery time. Tags: Beijing five-day tour route quotation,... http:\/\/lxs.cncn.com\/81668\/l318016 Beijing surrounding scenic spots tour route http:\/\/lxs.cncn.com\/81668\/l...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2387,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings 7-Day Tour in May\"\nQuery Dwell Time: 77.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2387\nTitle: \"Recommended tour routes around Beijing during the May Day holiday\u4e28Where is the best place to travel during the May Day holiday?\u4e28Five - Beijing 58.com\"\nSummary: \"Recommended tour routes around Beijing during the Labor Day holiday | Where is the best place to travel during the Labor Day holiday? | Labor Day is coming again. Are you busy and still not sure where to go? Don't worry, Beijing Yuanye Travel Agency can solve your troubles! Farmhouse...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2388,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Near Tsinghua University\"\nQuery Dwell Time: 462.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2388\nTitle: \"[A big offer for the start of the new semester] Peking University freshmen will never be cheated when buying a bicycle after reading this!\"\nSummary: \"Generally speaking, except for some professional bike shops around Tsinghua University (such as the Fixed Gear Park), the quality of similar fixed gear bikes sold in the vicinity of Peking University is not up to standard, and it is not recommended to buy them. In fact, the real fixed gear bike players, their mounts are expensive...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 406.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2389,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 49.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2389\nTitle: \"Makara Fixed Gear Park (Fixed Gear Shop) phone number, address, price, business hours (picture) - North...\"\nSummary: \"Popular cities There are expiring Nuomi coupons View orders Not rated Go to rate orders Not paid Go to pay New merchant replies View Data loading... Baidu Nuomi: nuomivip Popular categories Chinese food Group purchase Makara Fixed Gear Park (Fixed Gear...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.47 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2390,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 138.52 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2390\nTitle: \"Fixed Gear Park Makara Store_Fixed Gear Park Makara Bar_Baidu Post Bar\"\nSummary: \"Fixed Gear Park makara..Fixed Gear Park makara Hefei Maanshan Road and Wanjiang Road intersection Hedi Lanwan Square Take: 9, 51, 109, 133, 134, 138, 146, 902 Get off at Xiaozhu, in the alley next to GreenTree Inn, contact...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2391,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 138.52 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2391\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2392,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Makara Fixed Gear Park Price\"\nQuery Dwell Time: 66.63 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2392\nTitle: \"Makara Fixed Gear Park: \"The entry-level fixed gear for beginners is still more than 1,500 yuan, and they earn too much...\"\nSummary: \"Comments from the Fixed Gear Club on Makara Fixed Gear Park: The entry-level fixed gear bikes for beginners cost more than 1,500 yuan. They make too much money. I built one for them: aluminum alloy frame, Jiuyu bearing hub, olive chain, Lesk pressure plate for only 2,200 yuan. The quality is very good....\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2393,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 78.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2393\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.29 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2394,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 71.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2394\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.71 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":2395,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 71.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2395\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.74 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":2396,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Hand luggage Mass and volume\"\nQuery Dwell Time: 587.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2396\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 156.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2397,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Hand luggage Mass and volume\"\nQuery Dwell Time: 587.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2397\nTitle: \"About checked baggage on international flights Page 991 - Yue Travel\"\nSummary: \"Domestic flight baggage restrictions and charges: The volume of non-checked baggage (carry-on baggage) for all domestic passengers shall not exceed... #Phuket #AirAsia aircraft luggage check-in issues There are cosmetics About international flight check-in issues About international flight check-in issues...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2398,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Hand luggage Mass and volume\"\nQuery Dwell Time: 587.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2398\nTitle: \"International Flight Luggage Weight\"\nSummary: \"International flight checked baggage regulations China International Airlines international flight checked baggage regulations, the specific content is as follows: International... The volume (sum of three sides) does not exceed 115 cm (45 inches), and one fully foldable lightweight stroller or...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 263.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2399,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International Hand Baggage Total Fluids\"\nQuery Dwell Time: 54.13 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2399\nTitle: \"I have a question. International flights stipulate that the liquid in carry-on luggage cannot exceed 100ml. Is it a single...\"\nSummary: \"Is it that the single volume cannot exceed 100ml or the total volume cannot exceed 100ml? If I use the sub-bottles to divide them into 50ml, can I take five or six? It's just some toiletries\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.65 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2400,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Random baggage\"\nQuery Dwell Time: 85.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2400\nTitle: \"Can someone tell me what the dimensions of a random checked luggage are? _Home Living Decoration | YiQi Net Decoration\"\nSummary: \"Can someone tell me the size of a checked luggage? There are two types of luggage: economy class and business class. The size of economy class luggage should not exceed 800... Are there any size requirements for checked luggage on international flights? It is said that they are all 158, what are the specifications? The size of the wheels is calculated...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2401,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Random baggage\"\nQuery Dwell Time: 85.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2401\nTitle: \"Random checked baggage fees for international flights - Los Angeles Chinese Information Network\"\nSummary: \"I know that American Airlines allows two 23kg large boxes for international flights, while Air China only allows one large and one small. How many are allowed for domestic flights in the US? How heavy? How big? Thank you!\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 29.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2402,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Random consignment\"\nQuery Dwell Time: 82.46 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2402\nTitle: \"What goods cannot be shipped by air? - Shenzhen Air Transport Company\"\nSummary: \"Random air consignment means that a small amount of luggage is checked in directly at the airport when checking in. Air consignment refers to air consignment handled by an air logistics company, which is generally a large amount of goods or goods that cannot be checked in directly. Air consignment and random...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2403,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Must be checked\"\nQuery Dwell Time: 49.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2403\nTitle: \"[What are the items that cannot be checked in] Airport security check - Mafengwo\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2404,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights must be checked in\"\nQuery Dwell Time: 54.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2404\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2405,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights must be checked in and cannot be carried on board\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2405\nTitle: \"Can I bring my camera with me when I fly? _Private Jet Network\"\nSummary: \"The following items may not be checked as baggage or placed inside baggage, nor may they be carried into the cabin as free carry-on items. ...International flights: Follow the relevant regulations of international routes. Air China baggage transportation accident handling consultation phone number: Domestic: 010-...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 88.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2406,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 66.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2406\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.86 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2407,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 128.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2407\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.53 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2408,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 128.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2408\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2409,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 125.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2409\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.8 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2410,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 125.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2410\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"Ten best ways to quit smoking. A must-read guide for beginners of Attack on the Devil. Game guide of Attack on the Devil. Video guide of the hidden maze of Final Fantasy 15. How to pass the maze of Final Fantasy 15? A quick guide for beginners of Everyday Speed. Guide of Everyday Speed \u200b\u200bfor Onmyoji...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 78.07 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":2411,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Sogou Encyclopedia\"\nQuery Dwell Time: 41.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2411\nTitle: \"Sogou Browser: [Google Glass - Google Today...\"\nSummary: \"Sogou Browser: [Google Glass - Google today officially confirmed that it is developing Project Glass extended reality glasses] Google Glass is called \"Project Glass\". The operations that the wearer of the glasses can complete by themselves include: controlling music playback, regulating...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.08 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2412,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Encyclopedia\"\nQuery Dwell Time: 51.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2412\nTitle: \"In-depth analysis of Google Glass - OFweek Optical Network\"\nSummary: \"Therefore, if you want to search for content through Google Glass, it will default to reading brief content from Wikipedia first. If you want to know more detailed information, you also need to tap the touchpad to view the specific content. Application Currently, The New York Times...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2413,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 40.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2413\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2414,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 40.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2414\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.35 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":2415,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 41.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2415\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.39 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":2416,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 41.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2416\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.65 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n","usefulness_score":3}
-{"id":2417,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 purchase in Hong Kong\"\nQuery Dwell Time: 82.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2417\nTitle: \"Buy iPhone 6 in Hong Kong - Hong Kong - 16th Floor\"\nSummary: \"How to buy iPhone 6 & 6+ in Hong Kong now 1. Location: various Apple stores (Hong Kong Financial Building, Tsim Sha Tsui Apple Store...) 2. Time: 9:00 am-7:30 pm is the more accurate time to buy the phone 3. Method: No need to make an appointment, just queue up in the store...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.46 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2418,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 purchase in Hong Kong\"\nQuery Dwell Time: 82.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2418\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I want to know about the purchase of iPhone 6 in July~ 8342 views 0 people follow Follow Answer 10 answers [The questioner accepts] It is not convenient for you to go to those three...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2419,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 purchase in Hong Kong\"\nQuery Dwell Time: 82.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2419\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"HK\/reserve\/iPhone\/availability Pick up on the same day after successful reservation (you need to prepare a Hong Kong mobile phone number that can send SMS to receive verification code, Hong Kong and Macau Pass ID number and Apple ID) [The store currently does not accept direct purchases by queuing] Xianda...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2420,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 tariff\"\nQuery Dwell Time: 45.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2420\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2421,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 96.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2421\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 43.37 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":2422,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 96.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2422\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.76 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2423,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 78.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2423\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.52 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":1}
-{"id":2424,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 78.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2424\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.36 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":2425,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 44.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2425\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2426,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 44.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2426\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.27 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2427,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chen Ming Swimming Pool\"\nQuery Dwell Time: 105.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2427\nTitle: \"Beijing - Tsinghua University Chen Ming Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Chen Ming Swimming Pool is located at Tsinghua University, No. 30 Shuangqing Road, Haidian District, Beijing. Tel: 010-62792477; 010-62792475. Sogou Map provides you with the location, map, bus query, and self-driving route of Tsinghua University Chen Ming Swimming Pool...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2428,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chen Ming Swimming Pool\"\nQuery Dwell Time: 105.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2428\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It's a very good swimming pool. If it's...\"\nSummary: \"Wenwen__'s review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It's a very good swimming pool. If you go there during the day, there are fewer people and the water is clear. After all, most of the people who come here to swim are students and teachers. It's relatively safe. There are also special...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2429,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket\"\nQuery Dwell Time: 55.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2429\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The facilities are very good, the water should be changed every day,...\"\nSummary: \"Maiqiu88's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The facilities are very good, and the water should be changed every day, but there are too many people, so it is best to go at noon. The water is really turbid if you go at night. It is very cheap for students, only 7 yuan, teachers 12, and other schools...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2430,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 90.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2430\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 52.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2431,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Swimming Card\"\nQuery Dwell Time: 96.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2431\nTitle: \"\u3010Chen Ming Swimming Pool\u3011Chen Ming Swimming Pool Group Purchase - Meituan.com\"\nSummary: \"Chen Ming Swimming Pool Group Buying Special, here you can find the most affordable and preferential Chen Ming Swimming Pool Group Buying, Chen Ming Swimming Pool Group Buying All! At the same time, there are also a variety of Chen Ming Swimming Pool Group Buying Packages for you to compare and choose, with super low discounts and high cost performance, helping you save...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2432,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card\"\nQuery Dwell Time: 151.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2432\nTitle: \"[Long-term transfer of Tsinghua Hotel swimming card monthly card original price 490, now 450] - Changzhi consumption card\/purchase...\"\nSummary: \"02-13 02:44 Published 450 yuan | Contact: Lala [Merchant] Phone: Information number: 188738503 I have been selling Tsinghua Hotel swimming cards for a long time. The original price of the monthly card is 490, and now it is 450. It is absolutely authentic. You can trade in person and check the card on site. When you contact me,...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2433,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card\"\nQuery Dwell Time: 151.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2433\nTitle: \"[Tsinghua University Swimming Card | Tsinghua University Swimming Card Transfer Information] - Beijing 58.com\"\nSummary: \"Address: Price: Supply and demand: There is less information at present, we recommend the following information for you 1000 yuan transfer swimming card 1000 yuan Xisanqi today 1 yuan transfer swimming card 1 yuan Sijiqing merchant today 1 yuan transfer swimming card 1 yuan Sijiqing merchant today ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2434,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card\"\nQuery Dwell Time: 151.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2434\nTitle: \"Transfer Tsinghua University Swimming Card_Huilongguan Online Trading Market_Huilongguan Community Network\"\nSummary: \"The swimming card has 13 times left, which is a three-hour session. Tsinghua's current price is: 16.7 yuan\/time. Special half-price transfer to swimming... The second is Renmin University. Don't go to the Capital Gymnasium and the Ocean Sports Center. The sanitary conditions are not good. If you don't believe it, go to Tsinghua Swimming Pool and try it...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2435,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 138.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 37.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2435\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"It also attracted the widest attention and caused corresponding waves. From the strategic significance of Liaoning, it marks that China has bid farewell to the era of no aircraft carriers and has entered the ranks of aircraft carrier countries. The nature of the Chinese navy and even the army will change from now on...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.09 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2436,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 301.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2436\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.79 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":0}
-{"id":2437,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 301.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2437\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2438,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 301.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2438\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.54 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n","usefulness_score":2}
-{"id":2439,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2439\nTitle: \"\u3010Beijing Beijing Surrounding Areas\/Beijing Surrounding Areas Tourism Network | Travel Guide | Travel Company\u3011- Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com Tourism Channel is the largest free inquiry and release platform for tourism service information in Beijing and its surrounding areas, including tourism service telephone numbers, prices and other information. To find tourism services in Beijing and its surrounding areas, please visit Ganji.com Beijing Tourism Channel.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 190.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2440,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2440\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 98.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2441,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2441\nTitle: \"\u3010Beijing District Tours | Surrounding Tours | Surrounding Tours Travel Network\u3011-Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com's Suburban Tours channel is a professional free inquiry and release platform for Beijing's suburban tours service information, including suburban tours, surrounding tours, surrounding tours travel websites, suburban tours service telephone numbers, prices and other information. To find Beijing suburban tours services, please go to Ganji.com...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 59.69 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2442,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2442\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2443,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 409.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles\"\nQuery Dwell Time: 244.64 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2443\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 42.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2444,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 409.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles\"\nQuery Dwell Time: 244.64 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2444\nTitle: \"Some \"fixed gear\" bicycles pose serious safety hazards_China Economic Net - National Economic Portal\"\nSummary: \"Our reporter Yang Lei Not long ago, a case pronounced by the People's Court of Changshan County, Quzhou City, Zhejiang Province, once again put \"fixed gear\" bicycles at the forefront of public opinion. The case occurred on December 25, 2015, when Xiao He and Xiao Hong were riding together for fun,...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 91.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2445,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 409.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles\"\nQuery Dwell Time: 244.64 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2445\nTitle: \"Share the ranking of fixed gear bicycle brands purchased online in 2015 [Fixed Gear Bar]_Baidu Post Bar\"\nSummary: \"Here is the ranking of the most popular fixed gear bike brands sold online in 2015: 1. VISP This brand has always been considered a \"potential stock\". Its sales in 2012 and 2013 were average, and many people in the industry didn't know its name. However, in 2014, two online stores appeared...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 73.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2446,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 220.44 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 103.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2446\nTitle: \"[Baggage regulations for US flights] How many kilograms of checked luggage are allowed per person when flying to the United States? - ...\"\nSummary: \"(107 inches). Answer: Economy class flights to the United States allow each passenger to check in 2 pieces of luggage, each piece must not exceed 23 kg (actually it is okay if it exceeds a little). There is no weight limit for carry-on luggage, but there is a size limit. Carry-on luggage...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2447,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 220.44 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 103.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2447\nTitle: \"Luggage Shipping to the United States Page 8 - Yue Travel\"\nSummary: \"I'm going to the US from China, and I have to fly several times within the US. Except for one domestic segment which is AA, the rest of the domestic and US segments are all UA flights. Is this correct?\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2448,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 220.44 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage allowance for flights to the United States\"\nQuery Dwell Time: 82.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2448\nTitle: \"\u3010Luggage\u3011Regulations of foreign airlines on luggage size\"\nSummary: \"When flying on international airlines, a standard 20-inch suitcase can be put into the luggage compartment above the seat. However, when arriving in the United States and flying to other small cities, there may be small planes that cannot be brought into the luggage compartment. But don't worry, this...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2449,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 145.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2449\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 100.36 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2450,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 145.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2450\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"The most scientific way to quit smoking 2017-10-09 The best way to quit smoking with Chinese medicine 2017-10-09 The correct way to quit smoking 2017-10-09 How to quit smoking most effectively 2017-10-09 How to quit smoking 2017-10-09 How to quit smoking quickly 2017-10...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.98 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":2451,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Adverse symptoms after quitting smoking\"\nQuery Dwell Time: 163.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2451\nTitle: \"Adverse reactions after quitting smoking_Sohu Others_Sohu.com\"\nSummary: \"At this time, you need to replenish a lot of water. You can choose boiled water, beverages or drink more soup between meals, which can help remove toxins from the body. Side effects of quitting smoking 2: Sleep interruption: This symptom may be\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2452,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Adverse symptoms after quitting smoking\"\nQuery Dwell Time: 163.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2452\nTitle: \"Warning - Adverse reactions after quitting smoking | Health care - Dibao.com\"\nSummary: \"43-year-old Lao Zhao is a driver who has been smoking for more than 20 years. Just last month, his friend died of lung cancer, which touched him and he decided to quit smoking completely. He quit smoking by force and showed the symptoms of quitting smoking. Although he stopped smoking, he still...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2453,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2453\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.45 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":2454,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2454\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.22 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":2455,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2455\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2456,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 111.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2456\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.59 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2457,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 111.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2457\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.67 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2458,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 62.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2458\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 53.83 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2459,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 91.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2459\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.29 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":2460,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 brings back tax\"\nQuery Dwell Time: 73.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2460\nTitle: \"How to bring iPhone 6 back to China in its original packaging? - Hong Kong - 16fan\"\nSummary: \"[Shopping] How to bring iPhone 6 back to China in its original packaging? ? Is the tax collected in Hong Kong or after returning to China? Where is the best place to put it for direct flights? Put your carry-on bag, so you don\u2019t need to go through the airport. If you are asked to go through the airport, just go through it. Just leave it to fate.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2461,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much tax is charged if I bring iPhone 6 back from Hong Kong?\"\nQuery Dwell Time: 119.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2461\nTitle: \"I heard that if you buy an iPhone 6 from Hong Kong for more than 5,000 yuan, you will be charged tax? - Hong Kong - 16fan\"\nSummary: \"[Shopping] I heard that if you buy an iPhone 6 from Hong Kong for more than 5,000 yuan, you will be charged tax? The premise is that you are unlucky enough to be caught by customs. Yes. It depends on luck. Will you return to the mainland? No one will meet me in Hong Kong. How much can I send directly to the mainland? Is there any 6?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 49.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2462,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much tax is charged if I bring iPhone 6 back from Hong Kong?\"\nQuery Dwell Time: 119.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2462\nTitle: \"Don't forget to pay tax when buying an iPhone 6 when traveling abroad_NetEase News\"\nSummary: \"October 1, 2014 - Qingdao Customs officially issued a notice on September 30: Whether it is purchased on behalf of others, mailed or brought back to China, the iPhone 6... 10%. Take an iPhone 6 (16GB) as an example. The official Hong Kong website price is 5588 Hong Kong dollars. Qingdao...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2463,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6 \u200b\u200bDomestic Operators\"\nQuery Dwell Time: 33.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2463\nTitle: \"Reliable news: China Mobile 4G network supports iPhone 6 versions in mainland China and Hong Kong_Sina Guangdong_Sina.com\"\nSummary: \"September 1, 2014 - Telecommunications operators are actively preparing for the launch of iPhone 6. The launch of iPhone 6 is an annual event in the communications industry. In order to welcome the arrival of this marketing war, major operators are preparing for it with the most active attitude. Because all domestic...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2464,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 187.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 155.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2464\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 147.97 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2465,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 568.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning vs. other aircraft carriers\"\nQuery Dwell Time: 192.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2465\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2466,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 568.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning vs. other aircraft carriers\"\nQuery Dwell Time: 192.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2466\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2467,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2467\nTitle: \"Ice-breaking games are best suited for indoor use - Xuecan.com\"\nSummary: \"Ice-breaking games are best suited for indoor use. 1. Name game How to play: The team members sit in a circle and nominate one person at random... Suitable for: more than 10 people Materials and venue: None Applicable to: all students Time: 5-10 minutes Operation procedure 1)... Then everyone's code name is changed again. Key point: The fun of this game depends on the speed of the participants' reaction...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 44.94 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2468,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2468\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Bundle up - (Applicable to: teamwork) Brief description: By being tied... At least ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 110.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2469,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2469\nTitle: \"15 Games to Use During Employee Training\"\nSummary: \"In training, games can be used to teach and entertain, experience learning, strong participation, active atmosphere, ice breaking, etc. The following are some... You can tell how logical everyone is, but you need to have a certain amount of time to control the game each time you play it, which is suitable for...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 64.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2470,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2470\nTitle: \"Training Ice Breaking Games Collection - MBA Think Tank Documentation\"\nSummary: \"The number of participants should not be less than 10. 2. Big Wind Game Type: Icebreaker Number of participants: No limit Game time... Ask him to draw a humorous sketch for each student (and trainer) and post these drawings in the appropriate place... and just observe from the side. Editor's Tips \u00b7 This is a pure icebreaker game, simple and easy to play, and the atmosphere is very...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2471,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2471\nTitle: \"A Complete Collection of Ice-breaking Games for Indoor and Outdoor Group Training\"\nSummary: \"Indoor and outdoor group training games Icebreaker games 1. Tie up and pass the level - (Applicable to: teamwork) Brief description: By being tied up... Brief description: Use different yes and no questions to guess the answer above your head Number of people: At least ten people Venue : Indoor application scope: suitable for...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2472,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2472\nTitle: \"Team games, icebreaker games, office games\"\nSummary: \"[Team Game] Sit Up This is a game that makes everyone understand the importance of cooperation. How to play: 1. First, the four of you... Tips This game is very suitable for taking a break or at the end of a meeting. [Ice Breaker Game] People Chair Form... 3. What is the result of this game? It explains why managers' instructions are often ignored. The natural result of behavior...\"\nRank: 15\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2473,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2473\nTitle: \"Selection of indoor ice-breaking games.doc\"\nSummary: \"Classic indoor ice-breaking games 1. Name game How to play: The team members sit in a circle and nominate a student to... Suitable for: more than 10 people Materials and venue: None Applicable to: all students Time: 5-10 minutes Operation procedure 1)... The one who holds the person opposite wins the bear, the bear wins the hunter, and the same action will start again. Exciting point: The fun of this game...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2474,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2474\nTitle: \"How to play the team icebreaker game \"Two Dollars\"\"\nSummary: \"Icebreaker games are a necessary part of many trainers' training, and they can achieve the purpose and expectation of training more quickly. Suitable for: more than 10 people. Venue requirements: none. Game nature: icebreaker. Game time: 10 minutes. Game play: 1....\"\nRank: 19\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2475,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2475\nTitle: \"Tour itinerary - price and cost of tour from Beijing to nearby areas - how much does it cost to tour nearby areas_Shenzhou International Travel\"\nSummary: \"How much does it cost to travel around Beijing, including quotes for local tours, precautions for local tours, visa application for local tours, etc. For inquiries, please call 400-662-9566 or 400-662-9766. You are welcome to call for inquiries.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2476,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2476\nTitle: \"...Beijing surrounding tour services - Beijing surrounding tour activities - Beijing surrounding tour costs and prices - surrounding tours - Earth City...\"\nSummary: \"Beijing Tours is a very important column in Beijing Tourism Channel, which contains information about Beijing Tours attractions, Beijing Tours routes, Beijing Tours destinations, Beijing Tours services, Beijing Tours activities and Beijing Tours prices.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2477,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taoshan Lake in Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2477\nTitle: \"Cost plan for Beijing suburban tourism routes for units, groups and enterprises\"\nSummary: \"We can arrange travel routes for the requirements of enterprise teams and provide technical support for Xinxin Travel Network (CNCN.com)\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2478,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2478\nTitle: \"[Beijing surrounding tourism costs] Laofeng Yingzuishi two-day tour | Gushanzhai travel route recommended...\"\nSummary: \"Beijing Suburban Tour Quotes In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give you a free flag-raising ceremony at Tiananmen Square. If you want to watch it, please make an appointment in advance! This tour is a pure play tour to ensure that tourists are fully...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2479,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2479\nTitle: \"Travel around Beijing_Domestic Travel_Baidu Experience\"\nSummary: \"Recommended means of transportation: self-driving. Self-driving is the main method for traveling around Beijing. Convenience is the primary consideration, and the distance is basically within... When Professor Lu Yunting, a famous tourism expert, visited this scenic spot, he believed that the density of pools and waterfalls in this scenic spot is rare in the suburbs of Beijing. Third, the waterfalls...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 164.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2480,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2480\nTitle: \"Survey on tourism activities in the surrounding areas of Beijing SW\"\nSummary: \"Distance from where you live Whether the attractions are attractive How much does it cost to travel Is the ecological environment good Is the transportation convenient Management... Religious and cultural activities Experience folk culture If you live within 6 hours of one-way drive (train or car) around Beijing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 55.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2481,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2481\nTitle: \"A complete guide to visiting grasslands around Beijing - Feiyang Travel Network\"\nSummary: \"Ningbo Tourism Network recommends you a complete guide to the grasslands around Beijing. Zhangjiakou Grassland A pure and green sea. Have you been to Zhangjiakou? There are also such romantic activities on the unrestrained grassland! Wander in the beautiful scenery of the grassland, feel the breeze on your face, and let your...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2482,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2482\nTitle: \"Recommended self-driving attractions around Beijing during the 2016 National Day holiday_Tourism_51Examination.com\"\nSummary: \"Travel.com authoritatively releases the recommended self-driving attractions around Beijing during the 2016 National Day holiday. More 2016 National Day holiday Beijing Week... The road is cold and slippery, and the braking distance will increase. At this time, you should pay attention to brake in advance, control the gear, and prevent the vehicle from locking...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2483,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2483\nTitle: \"The latest self-driving tour guide around Beijing on New Year's Day_Tourism_51Examination.com\"\nSummary: \"[Transportation and fees for ski resorts around Beijing] 1. Beijing Yuyang International Ski Resort Winter business hours: 08:30-17:30 Price... Beijing Palace Museum officially implements online ticket sales on the 10th Where to travel in winter These attractions are the most beautiful in winter Must-see in Hong Kong...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2484,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2484\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2485,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2485\nTitle: \"15 classic routes recommended for self-driving tours around Beijing\"\nSummary: \"15 classic self-driving routes recommended for Beijing's surrounding areas. Recommended classic self-driving routes for Beijing's surrounding areas 1: Downtown - Huairou - Tanghekou. Features: Scenic spots are connected. Drive northeast from Sanyuan Bridge, pass Sunhe to the Kuliushu Roundabout, and then turn due north...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2486,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2486\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2487,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2487\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Recommended bird watching spots around Beijing The first batch of migratory birds resting at Guanting Reservoir Flag raising time at Tiananmen Square in May 2017 Ticket prices for Beijing tourist attractions How to identify illegal one-day tours in Beijing About Beijing Tourism Distribution Center Beijing Hutong Tour Guide: Be careful...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.92 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2488,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2488\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Recommended bird watching spots around Beijing The first batch of migratory birds resting at Guanting Reservoir Flag raising time at Tiananmen Square in May 2017 Ticket prices for Beijing tourist attractions How to identify illegal one-day tours in Beijing About Beijing Tourism Distribution Center Beijing Hutong Tour Guide: Be careful...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.55 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2489,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2489\nTitle: \"Select the most suitable self-driving tour plan around Beijing for you - be a professional self-driving tour recommendation platform around Beijing...\"\nSummary: \"Select the most suitable self-driving tour plan around Beijing for you - to be a professional self-driving tour recommendation platform around Beijing! Rich, comprehensive, affordable and accurate self-driving tour plans around Beijing, launching various limited-time special packages every day, for self-driving tour lovers around Beijing...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2490,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2490\nTitle: \"Recommended tourist attractions around Beijing and its suburbs - Mafengwo\"\nSummary: \"Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo, more of the latest travel notes Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2491,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2491\nTitle: \"\u3010National Day Beijing Tour\u30112017 National Day Beijing Tour Location Recommendations, National Day Beijing Tour Guide...\"\nSummary: \"It is definitely a good place to visit around Beijing during the National Day holiday. Recommended attractions in Tianjin: Wudadao: Wudadao is a must-see in Tianjin postcards... Customs Tourism Area: A place suitable for night strolls and taking photos. The buildings on both sides of the street are European-style, and the outside looks like...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.95 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2492,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2492\nTitle: \"Xiangshan Park-Beijing surrounding tourist attractions Beijing outing\"\nSummary: \"Beijing specialty purchase guide, cheap pictures, weekend drive around Beijing villages to exchange, New Zealand travel the most complete specialty recommendation, Taiwan travel shopping guide, shopping must-buy, Hong Kong second-hand luxury stores, Beijing summer vacation with children to the natural museum, Beijing's five major fun...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2493,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2493\nTitle: \"Recommended self-driving tours around Beijing\"\nSummary: \"Where are the fun places to drive around Beijing? Below, you can find fun places to drive around Beijing. Here are some tips for self-driving around Beijing. Recommended self-driving places in Beijing: Yudu Mountain, Jinshanling Great Wall, Shilin Gorge, Dongyue Temple...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2494,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2494\nTitle: \"Beijing Suburban Tourism_Beijing Suburban Tourism Information Download_iAsk Shared Information\"\nSummary: \"Information [Beijing Surroundings] There are mountains and water! Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas Source: Wu Dan's Diary In fact, there are quite a lot of fun places in Beijing~ It is very suitable for a two-day weekend trip and leisurely fun~ Today's topic...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2495,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2495\nTitle: \"Beijing Suburban Tourism_Beijing Suburban Self-Driving Tour_Attraction Recommendation_Farmhouse_Farmhouse..._Beijing Surrounding Tourism-Village Tourism\"\nSummary: \"Village Tourism Information Network - provides you with information on Beijing suburban tourism, Beijing suburban self-driving tours, Beijing suburban farmhouses and farmhouses, and introductions to surrounding tourist attractions, helping you make travel plans in the Beijing suburbs and providing you with better and more cost-effective Beijing suburban travel routes.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.78 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2496,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2496\nTitle: \"Practical Tips for Saving Money When Traveling to Beijing\"\nSummary: \"Beijing is a place where you can have fun, enjoy the city and spend less money. Here are some of my views and experiences. I hope they will be helpful to those who are going to travel to Beijing... But if you apply for a Beijing public transportation card, you can save even more money. The bus is 40 cents, and the subway is 2 yuan. At the subway window in Beijing...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 76.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2497,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2497\nTitle: \"[A good place for self-driving tours around Beijing in autumn to save money and keep healthy]_Self-driving tour community_Automotive Forum-Easy...\"\nSummary: \"Good places for self-driving tours around Beijing in autumn, saving money and keeping healthy. Self-driving tour community > Good places for self-driving tours around Beijing in autumn, saving money and keeping healthy. PHOTOOPD\u2022CSSE Photography experts, Road-finders, Food experts, Travel experts, Charming beauties, 2014 Yiche elites ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2498,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2498\nTitle: \"\u3010Picture\u3011There are mountains and water! Save time and money! \u3010Beijing\u3011Surrounding and suburban tourist attractions...\"\nSummary: \"Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas. Everyone is too fast. I am posting while working. Although it is to maintain the wildness, I also hope that the road surface can be repaired and flattened to make it more convenient for the elderly and children who come here to walk...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2499,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2499\nTitle: \"[Beijing Surroundings] There are mountains and water! Save time and money! Tourist attractions~~~_Chinese Text Library\"\nSummary: \"Actually, there are quite a lot of fun places in Beijing~ It is very suitable for a two-day weekend trip and leisurely fun~ Today's topic keywords: Beijing~ Summer~ Travel~ Leisure~ Where to start~ First, let's announce the division of Beijing's districts and counties. I just checked: Urban area: Dongcheng...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2500,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2500\nTitle: \"The most economical route guide for Beijing's surrounding tours Personal 9-seater Jinbei car rental_Page 1_Beijing tourist destinations_...\"\nSummary: \"The most economical route guide for Beijing's surrounding areas. Personal 9-seater Jinbei car rental. Have fun in the suburbs of Beijing, happy as you like. The most economical route guide for Beijing's surrounding areas. Personal 9-seater Jinbei car with aviation rotating seats, good condition, comfortable and fast, can provide tourist charter,...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2501,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear near Tsinghua University Purchase Channels Notes Price Range\"\nQuery Dwell Time: 120.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2501\nTitle: \"Things to note when renting a house near Tsinghua University\"\nSummary: \"Many students don't know much about the channels, prices and details of renting houses in Tsinghua University. Therefore, I will make a simple analysis of the houses around Tsinghua University - Teachers' Apartments - Family Buildings: http:\/\/mifunc.com\/th ua\/...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2502,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear near Tsinghua University Purchase Channels Notes Price Range\"\nQuery Dwell Time: 120.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2502\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2503,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear near Tsinghua University Purchase Channels Notes Price Range\"\nQuery Dwell Time: 120.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2503\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2504,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Buy a fixed gear near Tsinghua University\"\nQuery Dwell Time: 95.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2504\nTitle: \"[Buy fixed gear in physical store] Where is the physical store in Guangyuan where I want to buy fixed gear? - Ask Knowledge\"\nSummary: \"There is a physical store selling fixed gear near the west gate of Tsinghua University. Where is the fixed gear store in Wuhu? There is one in 1201, Unit 1, Building 5, Tianheyuan, Wuyi Square. Which physical store selling fixed gear in Luoyang is good? Save face. Where is the physical store selling fixed gear? [hum] Go to the general bicycle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2505,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Buy a fixed gear near Tsinghua University\"\nQuery Dwell Time: 95.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2505\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Last year, I \"flew\" into Hefei. Are there any \"fixed-wheel bikes\" in Hefei? The answer is yes. There is one near Sipailou... The first Art Tianjin was held in Beining Park. Are there still free cards for the small yellow bikes and Mobike? Vice President of Tsinghua University...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 32.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2506,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear\"\nQuery Dwell Time: 60.05 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2506\nTitle: \"[Shuangyushu second-hand venue\/fixed gear|Shuangyushu second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"I already have a bicycle. Since I often ride ordinary bicycles, I am not very familiar with this type of bicycle\u2026Haidian - Tsinghua University\/ 11-01 550 yuan Cool fixed gear store - Fixed Gear Bicycle Hall On-site selection, on-site [22 pictures] Fixed Gear Bicycle Hall builds...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2507,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2507\nTitle: \"Are there any simple bicycles like fixed gear, but cheaper? I saw several in Beijing yesterday...\"\nSummary: \"It's better to be in Beijing. Are there any simple bicycles like fixed gear, but cheaper? I saw several in Beijing yesterday... What are the precautions for riding a bicycle? What are the precautions for riding a bicycle? What is the meaning of Eason Chan's bicycle? Is there any bicycle like...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.08 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2508,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2508\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Where is the fixed gear store in Beijing? The origin of the fixed gear bicycle with horn handlebars and handlebar tape... How to maintain a fixed gear bicycle in rainy days? Net... Getting started with fixed gear and precautions Top ten fixed gear bicycle brands ranking Can you ride a fixed gear bicycle in the rain? Fixed gear...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2509,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2509\nTitle: \"Another style of life.PDF\"\nSummary: \"Similar bicycles, but because of the riding area, there are many precautions. First and foremost, when riding a \"fixed gear\", it is not limited to the gymnasium, so you should also keep your sight as far as possible. Because there are many details to be paid attention to when riding a \"fixed gear\". From Beijing to the Holy Land in the United States...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2510,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2510\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_High Quality Fixed Gear Bicycle Wholesale\/Purchase...\"\nSummary: \"The latest suppliers, dealers, and manufacturers, including fixed gear bicycle parameters, models, pictures, prices and other information, provide you with comprehensive fixed gear bicycle reference information and online negotiation opportunities, find fixed gear bicycle supply information...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2511,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Notes\"\nQuery Dwell Time: 50.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2511\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Click on the image to see a larger image Product: 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Unit Price: Negotiable ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2512,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Notes\"\nQuery Dwell Time: 50.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2512\nTitle: \"Decoding \"fixed gear\" is not to fly even if you die. You must learn to brake before riding a bike_News_Nanhai.com\"\nSummary: \"March 19, 2013 - Yesterday, a traffic accident in Zhangzhou, Fujian, was widely reported on the Internet, simply because the middle school student who was hit and killed by a private car was riding a \"fixed gear\" bicycle. This type of bicycle does not have the traditional meaning...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2513,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Notes\"\nQuery Dwell Time: 50.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2513\nTitle: \"A middle school student was hit and killed while riding a fixed-speed bike, which caused heated discussion. He would rather fly than die. - Sohu Auto\"\nSummary: \"March 19, 2013 - Yesterday, a traffic accident in Zhangzhou, Fujian, was widely reported on the Internet, simply because the middle school student who was hit and killed by a private car was riding a \"fixed gear\" bicycle. This type of bicycle does not have the traditional meaning of...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2514,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2514\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.89 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2515,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2515\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.85 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2516,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2516\nTitle: \"Luggage allowance regulations for China Eastern Airlines international flights\"\nSummary: \"Tags: China Eastern Airlines flight luggage, common sense China Eastern Airlines flight carry-on luggage is as follows: Each passenger's carry-on non-checked luggage generally cannot weigh more than 5 kg, and the volume of each piece cannot exceed 20X40X55 cm, and must be able to fit in the luggage rack or...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.08 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":2517,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2517\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"[Number of checked luggage] Requirements for the number, weight, and size of checked and carry-on luggage on general international flights. International flights do not limit the number of checked luggage, but limit the weight. What are the regulations for the number and weight of carry-on and checked luggage on flights from Jeju to Wuhan?\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2518,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2518\nTitle: \"How many pieces and weight of carry-on luggage can I take on international flights?\"\nSummary: \"Liquids, aerosols and gels Due to safety reasons, there are strict limits on the amount of liquids, aerosols and gels that can be carried in hand luggage on international flights. LAG items, such as drinks, creams, perfumes, sprays, gels and toothpaste, must be...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 38.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2519,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2519\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"Size and weight limits for checked baggage On weight-based routes, the maximum weight of each piece of checked baggage for passengers on international or regional flights shall not exceed 32 kg; for passengers on international or regional and domestic combined flights, the maximum weight of each piece of checked baggage shall not exceed 32 kg.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2520,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2520\nTitle: \"Luggage size requirements for China Eastern Airlines international flights - Mafengwo\"\nSummary: \"China Eastern Airlines' international flight regulations for checked baggage limit each piece of weight 32 kg, each piece of size limit A + B + C \u2264 203 cm, 2 * (A + B + C) \u2264 273 cm; for unchecked baggage, the number of baggage is limited to 2 pieces for first class, 1 piece for business class and economy class, and the weight of each piece is...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2521,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2521\nTitle: \"Is there any size limit for checked luggage on airplanes? - Yue Travel\"\nSummary: \"AirAsia I would like to ask if there is any size limit for AirAsia's 15KG suitcase, or is it OK as long as the weight does not exceed 15KG, there is no size limit. Checked luggage should be based on weight, and there is a size limit for hand luggage. Checked luggage does not have... How big does the carry-on baggage have to be for free? Thanks for the reply. The weight of each checked luggage cannot exceed 50kg, and the volume cannot exceed...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2522,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2522\nTitle: \"[Baggage Requirements for International Flights] What are the baggage requirements for international flights?\"\nSummary: \"Part 1: What are the baggage requirements for international flights? What are the baggage requirements for international flights? Taking international flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed... Note: There are two types: overweight and overlimit. Overweight means exceeding the specified weight, and overlimit means exceeding the specified size. Generally...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2523,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2523\nTitle: \"Do you know some restrictions on checked baggage? Wenzhou Airport Security Check Notice\"\nSummary: \"Hand luggage restrictions: For domestic flights, the total weight of your hand luggage should not exceed 5 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm. For international flights, the total weight of your hand luggage should not exceed 7 kg (some airlines have...\"\nRank: 12\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2524,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2524\nTitle: \"Airlines' regulations on baggage\"\nSummary: \"The total weight of hand luggage is limited to 5 kg per passenger, and the volume of each piece must not exceed 20*40*55 cm; for international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the size of each piece of luggage must not exceed 20*40*55 cm.\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2525,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2525\nTitle: \"What is the free checked baggage weight limit for international flights from China Eastern Airlines to Japan?\"\nSummary: \"Carry-on items that exceed the above weight, number of pieces or volume limits should be checked in as checked baggage. The baggage weight regulations for international flights vary from airline to airline. The free baggage allowance for each passenger includes checked and unchecked baggage: Domestic flights are usually checked in when checking in on the day of departure. Items that are not baggage should be checked in as cargo and cannot be checked in as...\"\nRank: 17\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.32 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2526,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2526\nTitle: \"Is there a limit on the amount of checked luggage on an airplane? - Yue Travel\"\nSummary: \"If I bring anything I bought from Macau back to the mainland, are there no restrictions on the quantity and type? (Within the weight range of checked luggage at the airport) There are restrictions on cigarettes and alcohol, you can ask at the airport customs. Hope you can adopt Phuket. May I ask about the restrictions on checked luggage on international flights?\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2527,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2527\nTitle: \"Air China Carry-On Baggage Requirements - Mafengwo\"\nSummary: \"Mafengwo Q&A > Air China Carry-on Baggage Requirements 2095 Views 0 Followers Follow Answers 4 Answers Air China Carry-on Baggage Requirements: 1. Carry-on Items for International Flights The weight of free carry-on items is limited to first class and business class passengers...\"\nRank: 19\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2528,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2528\nTitle: \"International flight luggage regulations.doc\"\nSummary: \"Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm). Passengers taking US-Canada routes can only...\"\nRank: 20\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2529,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2529\nTitle: \"How many milliliters of liquid can be transported in checked baggage?\"\nSummary: \"For international and regional flights, each item should not exceed 100 ml, and the total amount should not exceed 1 liter. For domestic flights, only cosmetics can be carried, and each item should not exceed 1 liter. Liquids, gels and sprays in each passenger's hand luggage must be placed in containers with a capacity of no more than 100 ml,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2530,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2530\nTitle: \"How many milliliters of liquid can be brought into checked luggage on an airplane?\"\nSummary: \"Domestic flights can only carry cosmetics, each of which does not exceed 100 ml, and the maximum number of ml of liquids that can be carried on an airplane is how many milliliters? Whether it is an international or domestic flight, the current restrictions on liquid items are limited to carry-on. The capacity of a single piece does not exceed...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2531,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2531\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight carry-on baggage regulations 1. Restrictions on carry-on baggage \u2475. Taking international flights: Generally, carry-on...Liquid containers with a capacity of more than 100 ml cannot be placed in carry-on baggage, but must be placed in checked baggage for transportation. 15...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2532,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2532\nTitle: \"How to buy checked baggage and what is the limit on the amount of liquids you can bring on board - Mafengwo\"\nSummary: \"How many milliliters of each can I bring? 13632 views 4 people follow Follow Answer 2 answers International aviation liquid restrictions generally... We have set limits on the amount of liquids, aerosols and gels (LAGs) that passengers on international flights can carry in their hand luggage. ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2533,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2533\nTitle: \"What is the maximum amount of liquid items (cosmetics) you can bring on an airplane? - Yue Travel\"\nSummary: \"International flights limit each carry-on to 100ml, and a maximum of 10 bottles, which must be placed in a sealable transparent plastic bag. You need to carry it with you... Domestic flights do not require carry-on liquids to be placed in transparent bags, and can be placed in carry-on luggage. ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2534,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2534\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"All international flights departing from Central Japan International Airport (excluding arriving flights) Carry-on baggage (excluding checked baggage such as suitcases) will be subject to the daily carry-on regulations. Except for the following cases, it is prohibited to carry any liquid items exceeding 100 ml. Container...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.99 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2535,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2535\nTitle: \"Liquids in Carry-On Baggage - Lufthansa \u00ae China\"\nSummary: \"Liquids in hand baggage are allowed through EU airports on flights within the EU and on connecting flights originating from the EU (and domestic flights in Germany). Prerequisite: Items must be packed in a sealed duty-free bag (in accordance with international standards) and retail...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 33.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2536,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2536\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Requirements for checked liquids on international flights I know that if you carry liquids with you, each piece is 100ml, and the total is less than 1L. You may need to pack them separately for easy inspection. So what if the liquids are checked in luggage? Are there any requirements for each piece and the total amount?\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.02 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2537,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2537\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in... Put a large tote bag over the laptop to put some other things in. 2. Carry a large backpack (not a roller bag),...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.15 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":2538,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2538\nTitle: \"What items need to be declared at customs when taking an international flight?\"\nSummary: \"What items are prohibited from being carried on? Check in advance what is not allowed in the destination country. What are the items that are not allowed to be carried on international flights? Only the national security will check. Does the luggage on international flights have to be locked by customs? Because when the X-ray machine is checked or the sniffer dog is used for security inspection...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2539,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2539\nTitle: \"What items need to be declared at customs when taking an international flight?\"\nSummary: \"What items are prohibited from being carried on? Check in advance what is not allowed in the destination country. What are the items that are not allowed to be carried on international flights? Only the national security will check. Does the luggage on international flights have to be locked by customs? Because when the X-ray machine is checked or the sniffer dog is used for security inspection...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2540,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2540\nTitle: \"Air China Baggage Check-in Standards\"\nSummary: \"Air China implements piece-rate checked baggage rules on international and regional routes. 1. International and regional routes: Each ordinary baggage... B. Domestic flights: Each first-class passenger may carry two pieces of luggage, and the weight of each piece of luggage shall not exceed...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2541,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2541\nTitle: \"How much is the weight of carry-on and checked luggage on international flights? How much overweight can be allowed? Other...\"\nSummary: \"1. Checked luggage Passengers must check in their luggage with valid tickets. Generally, luggage will be collected when checking in on the day of departure. Items that are not luggage should be checked in as cargo and cannot be checked in as luggage. Checked luggage must be well packed and locked...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 29.55 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2542,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2542\nTitle: \"zz International flight carry-on baggage regulations\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2543,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2543\nTitle: \"zz International flight checked baggage regulations\"\nSummary: \"China International Airlines' international flight baggage check-in regulations are as follows: The free baggage allowance for international routes is divided into weight-based... Items entering or transiting and other restricted items for transportation. Passengers are not allowed to carry weapons, sharp objects and lethal weapons on board. Transportation...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2544,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2544\nTitle: \"How much is the checked luggage weight for international flights? _www.dragonsea-china.com Dragonsea International\"\nSummary: \"Securities and other items 3. Checked luggage must be well packed, locked and tied firmly, and able to withstand a certain amount of pressure... How much is the weight of checked luggage on international flights? Related recommendations Contact us Through the above introduction, I believe you have a better understanding of \"On international flights...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.55 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":2545,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2545\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.9 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2546,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2546\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.9 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2547,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2547\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.51 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2548,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2548\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.63 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":2549,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2549\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.18 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2550,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2550\nTitle: \"There are many benefits to quitting smoking - Good Doctor Online\"\nSummary: \"March 7, 2014 - There are many benefits to quitting smoking: 1) Quitting smoking for one day will bring benefits to the heart, blood pressure and blood system. 2) After quitting smoking for one year, the excess risk of coronary heart disease is reduced by half compared to those who continue to smoke. 3) Quitting smoking...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.28 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":3}
-{"id":2551,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2551\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.86 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2552,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2552\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.81 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2553,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2553\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.68 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2554,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2554\nTitle: \"The benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking (1) Be a good role model for your family and friends. Remember: if the elders smoke, the younger ones will imitate them; if the children smoke, the parents will be sad; if you offer cigarettes to each other, both sides will suffer. (2) Be determined to break free from the shackles of smoking. After quitting, you can reduce the impact of smoking on your body and mind...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2555,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2555\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.03 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2556,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2556\nTitle: \"The harm of smoking and the physical reaction after quitting smoking\"\nSummary: \"As the slogan, the global anti-smoking campaign was launched, and the annual World Anti-Smoking Day was announced, which is May 31st every year, the day before Children's Day. The intention is obvious. Why does smoking cause heart rate or arrhythmia? Tobacco burning...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.61 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2557,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2557\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2558,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2558\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.78 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2559,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2559\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2560,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2560\nTitle: \"The harm and impact of sudden smoking cessation_Behavior Channel_Healthy Network\"\nSummary: \"The success rate of quitting smoking suddenly is definitely the highest. When you quit smoking suddenly, you should first change the habit of smoking, do more exercise, drink more tea, go to less social places where smoking is needed, etc. In addition, because smoking has a great impact on various organs of the body...\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2561,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2561\nTitle: \"Xie Yuxin: The unpleasant side effects of quitting smoking ...\"\nSummary: \"Tencent Weibo, log in and listen immediately, and get the latest updates! Listeners 120 Listening 53 Broadcasting 229 Uncomfortable adverse reactions of quitting smoking I feel like vomiting and feel uncomfortable all over, but I must persist... Share to: Loading...\"\nRank: 18\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2562,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2562\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, the most effective way to quit smoking, the most effective way to quit smoking, quit smoking patches, quit smoking medicines, quit smoking candies, e-cigarettes, quit smoking mouthpieces, quit smoking teas and other quit smoking products and quit smoking service information.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.8 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2563,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2563\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.89 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":2564,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2564\nTitle: \"The most effective way to quit smoking\"\nSummary: \"The most effective way to quit smoking Special articles Related topics Related content The most effective way to quit smoking may be contributed by netizens. If it infringes your rights, please contact this site in time to delete it. ishuo.cn\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2565,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2565\nTitle: \"The most effective way to quit smoking_Popular health questions and answers_Ask and Answer Network\"\nSummary: \"Q: I have smoked for 20 years. I got addicted when I was in the first grade of junior high school. Now I want to quit. What is the most effective way to quit smoking? Recently, I have been arguing with my wife for a long time because of the issue of quitting smoking. It is true that smoking is not good, but I can't quit it in a short time. Please help...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2566,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2566\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The Quit Smoking Network provides smokers with the best methods to quit smoking, smoking cessation products, and the benefits of quitting smoking. It teaches everyone how to quit smoking, how to quit smoking, and how to quit smoking most effectively. Let us quit smoking together on the Quit Smoking Network!\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2567,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2567\nTitle: \"The best way to quit smoking - Sanjiu Health Hall\"\nSummary: \"Measuring the efficiency of nicotine metabolism in smokers through blood tests can help choose the most effective smoking cessation therapy and improve the success rate of quitting smoking. Previous studies have shown that smokers According to the Sydney Morning Herald, a new survey shows that more smokers...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2568,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2568\nTitle: \"The best and most effective way to quit smoking\"\nSummary: \"The best and most effective way to quit smoking There are many people who want to quit smoking. Many people say that it is difficult to quit smoking. I also deeply understand that it is not easy for a smoker to say that he will not smoke anymore. Even if he says he wants to quit smoking, I don\u2019t know how many stages he will go through...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2569,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2569\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"From the promotional video of Google Glass released by Google, it is not difficult to judge that almost all the basic functional applications based on Android phones can be transplanted into smart glasses, but the presentation method does not rely on the phone screen, but on semi-transparent projection... Yesterday, Google released a new promotional video of Google Glass on its official website, which let us see the magic of Google Glass,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.53 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2570,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2570\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"Google Glass Function 6: Photo and Photography Google Glass users can move around in the real world. You can use photo apps to take photos through voice commands instead of taking pictures in the traditional way, freeing your hands! Google...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2571,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2571\nTitle: \"The top ten functions of Google Glass (photos) Hanlang Glasses will reveal the secrets of the glasses that cost more than 11,300 yuan...\"\nSummary: \"Obviously, it is a better way to secretly take photos. 9. Video call A very cool feature, you can use Hangouts to... The editor thinks that the practical functions and cost performance of Google Glass, which is priced at 11,300 yuan, do not seem to be very outstanding! It is not what everyone thinks... Maybe everyone's impression is still relatively abstract. Today, the editor will show you the mystery of Google Glass! The top ten functions of Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.48 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2572,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2572\nTitle: \"Google Glass Quote Google Glass Function Google Glass Price_Beijing VERTU Discount Store Promotion Letter...\"\nSummary: \"The basic functions include taking photos, shooting videos, making calls, navigating, sending text messages, reading news, surfing the Internet, playing games, etc. You can also... There are more than 40 free apps on the Google Store, and there will be more than 2,000 creative apps in the next year! Google Glass...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2573,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2573\nTitle: \"Google Glass: Why the product that revolutionized the future gradually disappeared | Google Glass | Wearables_Industry_Sina...\"\nSummary: \"January 26, 2015 - But consumers are completely unsure about the former's functions and usage. As for the applications of Google Glass, there are... The price when it was launched was only $299. An article on the technology blog GigaOM pointed out that the components of the product...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 85.64 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2574,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2574\nTitle: \"Google Glass is back, what can we learn from it?\"\nSummary: \"Nov 28, 2017 - All of this is more useful than letting people use the hands-free feature while riding the subway to check Facebook messages, etc. Google's Lens app shows that there is another use for Google Glass that was not fully ...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2575,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2575\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2576,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2576\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2577,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2577\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.03 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2578,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2578\nTitle: \"15 ways technology changes society: Google Glass brings the Internet closer | Google Glass | driverless cars | smart...\"\nSummary: \"April 29, 2013 - Introduction: American technology blog Business Insider wrote an article today, listing 15 ways that technology is changing society. Smartphones, driverless cars, Google Glass, and the Internet have all become the main forces of social change...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2579,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2579\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.29 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":2580,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2580\nTitle: \"How much does Google Glass cost?\"\nSummary: \"If you look closely, you will know the difference. How much does Google Glass cost now? Where can I buy it? A few days ago, there was a limited sale, the price was $1,500. And it was only sold in the United States. And it was only sold for one day. So there is no place to sell it now, of course...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.86 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":2581,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2581\nTitle: \"Google Glass goes global, lands in the UK, costs 1,000 pounds | Leifeng.com\"\nSummary: \"June 24, 2014 - Priced at \u00a31,000 (about RMB 10,600). UK users can purchase Google Glass through the Google Play Store... Users can also receive a free pair of glasses frames after purchasing Google Glass. The UK version will also come with a news copy of The Guardian...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.28 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2582,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2582\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2583,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2583\nTitle: \"Google Glass Price_Google Glass Latest Price_How Much Is Google Glass-Suning.com\"\nSummary: \"Suning.com's Google Glass channel provides you with information about Google Glass prices, the latest Google Glass quotes, how much Google Glass costs, Google Glass parameters, and more. To learn more about Google Glass shopping guides, go to Suning.com, where you can get genuine products and...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2584,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2584\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.0 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2585,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2585\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"Apple fans in China are finally waiting for the new iPhone to be released. It is reported that the Ministry of Industry and Information Technology has confirmed the release of the Internet license for iPhone 6. The new iPhone will be released in China on October 17. The prices of iPhone 6 and iPhone 6 Plus are 5288 yuan and...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.99 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":2586,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2586\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The new iPhone will be available in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5,288 yuan and 6,088 yuan respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2587,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2587\nTitle: \"I want to buy iPhone 6 in Hong Kong. I really want to know how much it will cost. What is the difference between the Hong Kong version and the mainland version?\"\nSummary: \"My boyfriend and I will go to Hong Kong during the National Day holiday in October. Our main mission is shopping and buying an iPhone 6. I really want to know how much it will cost. What is the difference between the Hong Kong version and the mainland version?\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2588,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2588\nTitle: \"Hong Kong iPhone 6 - Tubatu Decoration Q&A\"\nSummary: \"The price of Plus is 6388 Hong Kong dollars (equivalent to 5057 yuan), 7188 Hong Kong dollars (equivalent to 5690 yuan) and 8088 Hong Kong dollars (equivalent to about 6400 yuan). There are 3 answers to the reference price of Hong Kong Apple iPhone 6: \u00a0\u00a0\uffe5...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 45.43 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2589,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2589\nTitle: \"Is the iPhone 6 really priced this high in Hong Kong? It's not the same as in mainland China - Broadband Hill KDS - Broadband Hill Community - ...\"\nSummary: \"Life News Gossip Funny | Broadband Mountain Forum is an online forum, referred to as Broadband Mountain or KDS in Chinese Pinyin, and is one of the most influential livelihood forums in Shanghai.\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2590,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2590\nTitle: \"How much is the iPhone 6 in Hong Kong? - Home Decoration Interactive Q&A\"\nSummary: \"3 answers Floor laying steps Apple iPhone6 \u200b\u200b(international version\/dual 4G) price \uffe53750---\uffe54300. There is a certain difference in the price of different regions. I hope I can help you. Hong Kong iPhone6 \u200b\u200breference price: \uffe54200-5288. Apple iPhone6 \u200b\u200b(all network...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2591,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2591\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.62 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2592,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2592\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.29 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":2593,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2593\nTitle: \"[Strategy] How to buy a new iPhone in Hong Kong! - Hong Kong Drifting Station\"\nSummary: \"Many people can't wait to go to Hong Kong to buy a mobile phone. Today, I will collect a complete guide to buying an iPhone in Hong Kong. So if you buy an Apple phone in Hong Kong, you need to pay attention to \"chassis separation\" when you go through customs. That is, the machine itself should be...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.53 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2594,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2594\nTitle: \"There are several ways to buy iPhone 6 in Hong Kong - I want to go to Hong Kong to buy iPhone 6 in person, I want to know...\"\nSummary: \"There are several ways to buy iPhone 6 in Hong Kong. There are 3 ways. First, make a reservation on the official website of Hong Kong. After the reservation is successful, go to Hong Kong to check whether the iPhone 6 you bought is a national version. The easiest way is to check the iPhone 6 model number on the back of the iPhone 6.\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2595,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2595\nTitle: \"Hong Kong becomes the first choice for mainland customers to buy iPhone 6. How to buy it? - China News Service\"\nSummary: \"September 15, 2014 - That day was the first day that Apple Inc.'s iPhone 6 and iPhone 6 Plus were available for online purchase in the Hong Kong market. It was less than 72 hours before Apple CEO Tim Cook released the two latest products, and Hong Kong...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2596,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2596\nTitle: \"How to buy iPhone 3G in Hong Kong_Other mobile phone price questions_PConline Quick Question\"\nSummary: \"I went to every store in Centaline and Fortress, but they didn't sell iPhones at all. The clerk said that you need to sign a contract to join the network, so they don't sell them. So there are no genuine products in Hong Kong. If you want to buy iPhones, you can only go to Tsuen Wan, which is parallel imports. Tsuen Wan is Hong Kong...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 28.31 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2597,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2597\nTitle: \"10.13 What is the specific process of buying an iPhone in Hong Kong? - Mafengwo\"\nSummary: \"10.13 What is the specific process of buying an iPhone in Hong Kong? 4177 views 0 people follow Follow Answer 3 answers According to the above... In the direct store of Hysan Place, I will describe the purchase of iPhone 6 to you: the queue for reservation is very long, and the queue is...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2598,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2598\nTitle: \"How to buy iPhone 5S\/6 in Hong Kong online Tencent ID: 806043905...\"\nSummary: \"Apple released the iPhone 5S and iPhone 5C. With the iPhone 5S, Apple broke the tradition of iPhones being available in only two colors: black and white. It added a champagne gold color, which was mocked as \"tycoon gold\" on the Internet. After that...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2599,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2599\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.45 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2600,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2600\nTitle: \"Do I need to pay customs duties when I bring my iPhone 6 through customs?\"\nSummary: \"6 is subject to full customs duty. Since it is a foregone conclusion that customs duty must be paid when bringing iPhone 6 into the country, Apple fans will ask, how much customs duty do we need to pay for our beloved iPhone 6? According to relevant laws and regulations...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2601,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2601\nTitle: \"Do I need to pay customs duties when I bring an iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2602,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2602\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China? The editor recommends the answer: No customs duties for one or two units, but for large quantities, they will be charged. Just bring the invoice when checking. The price must be NT$5,000. I'm not sure if you are aware of this specific answer...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2603,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2603\nTitle: \"How to calculate the customs duties for iPhone mailed from abroad? _Import and export trade_Tian...\"\nSummary: \"According to the General Administration of Customs' Notice No. 43 of 2010 on Adjusting the Management Measures for Inbound and Outbound Personal Postal Articles, the limit for inbound articles mailed by individuals from abroad is RMB 1,000 each time. If the inbound and outbound articles mailed by individuals exceed the limit...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.35 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2604,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2604\nTitle: \"Attention! Those who are returning to China recently, please be aware! Bringing iPhone 7 back to China will require a 15% tariff! _International Channel_...\"\nSummary: \"September 24, 2016 - Do I need to pay tax when I bring or mail an iPhone 7 into the country? Mobile phones are one of the 20 types of goods that are not tax-free. It is not... It should be noted that due to the different Apple products,\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.19 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2605,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 73.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2605\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.46 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2606,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operator networks and other information?\"\nQuery Dwell Time: 73.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2606\nTitle: \"Does the Hong Kong version of iPhone 5 support China Unicom's 4G network? - Zhihu\"\nSummary: \"Dear VIP users, China Unicom is offering a free high-speed network experience to hundreds of millions of users in the 4G era. You will receive 500MB of domestic data traffic in February 2014 (valid from February 1 to 28, 2014). Show all Followers Follow the question Write an answer ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2607,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operator networks and other information?\"\nQuery Dwell Time: 73.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2607\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Portable\/Mobile Products - Electronic Engineering World...\"\nSummary: \"September 11, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2608,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2608\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 110.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2609,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2609\nTitle: \"Can I swim in Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school?\"\nSummary: \"Open from 12:00 to 1:00 on weekdays, but I don't know how to apply for a card. Cat Identity User Article Constellation Libra Points Level Yangtze River (10) Sender: shaguariji (cat), Message area: Swimming Subject: Re: May I ask if the staff of Tsinghua Swimming Pool...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 147.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2610,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2610\nTitle: \"Peking University Swimming Pool, Peking University Swimming Pool Price, Peking University Swimming Pool Address - Yaku...\"\nSummary: \"The lecturers are all national-level swimmers. This article is from Yacol http:\/\/www.yacol.com Opening hours: Peking University Swimming Pool Price: Peking University student ticket 8 yuan, non-campus ticket 15 yuan Tel: 010-62767306 800-990-3888...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2611,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2611\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The on-campus staff are very cheap, and the off-campus staff are...\"\nSummary: \"1234 Big Brother's comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool): The staff on campus are very cheap, and the ones outside the campus are a bit expensive, but the price is still relatively affordable,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2612,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2612\nTitle: \"Tsinghua University: You can\u2019t graduate if you can\u2019t swim! The key is that your university must have a swimming pool - Aiyota...\"\nSummary: \"The student ticket for Beijing Normal University Swimming Pool is 8 yuan, and the faculty and staff ticket is 12 yuan! ! The price is cheap! ! Weekday evenings 7:00-9:30. Also open on weekends from 2:00-4:30pm! ! Free swimming for faculty and staff on Wednesday afternoons! ! The water quality is also good! ! The place is not big, rescue...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.48 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2613,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2613\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"I want to choose one of these two to get a swimming card. Does anyone know how these two cards are charged? ... If you don't swim frequently, you can buy the 3-month season card issued by Haidian Swimming Pool, which is slightly more expensive than Tsinghua's. Answer creator...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2614,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2614\nTitle: \"\u301058.com\u3011Tsinghua University Fitness Club_Tsinghua University Fitness Center_Tsinghua University Fitness and Weight Loss\"\nSummary: \"I am looking for a gym card for Tsinghua University Gymnasium. If you have any channels, please contact me by private message. Thank you... (05-... Xibeiwang Xiyuan Heishan Huxiang Hongqi near Yuedong Swimming Pool Hot Yoga Fitness Center Yuedong Sports Swimming Fitness Card... (16 hours...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2615,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2615\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length: 304.5m, waterline length: 270m, beam: 75m, waterline width: 38m, displacement: 55,000 tons (standard: 67,500 tons (full load)), crew: 1,960, pilots: 626, staff: 40, rooms: 3,857, power system... However, the United States intervened rudely: if it is sold to China, all the ship-borne weapons and equipment must be removed; otherwise, economic measures will be taken...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2616,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2616\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length: 304.5m, waterline length: 270m, beam: 75m, waterline width: 38m 10.5m, displacement: 55,000 tons (standard), 61,390 tons (full load), crew: 1,960, pilots: 626, staff: 40, rooms: 3,857, etc. However, the United States intervened rudely: if it is sold to China, all the ship's weapons and equipment must be removed; otherwise, economic measures will be taken...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2617,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2617\nTitle: \"Liaoning aircraft carrier material.docx\"\nSummary: \"The Liaoning ship was officially delivered to the PLA Navy. III. Performance parameters Length 304.5 meters, waterline length 270 meters Beam 75 meters, waterline width: 38 meters Draft 10.5 meters Displacement 55,000 tons (standard) 67,500 tons (full load) Crew 1,960...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2618,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2618\nTitle: \"Liaoning aircraft carrier.pptx\"\nSummary: \"Liaoning Ship Emblem China Naval Museum III. Performance Parameters Length 304.5 meters, waterline length 270 meters Breadth 75 meters, waterline width: 38 meters Draft 10.5 meters Displacement 55,000 tons (standard) 67,500 tons (full load) Crew 1,960 people, flight...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2619,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2619\nTitle: \"Chinese Navy warships.ppt_Taodou.com\"\nSummary: \"Liaoning aircraft carrier is 304.5 meters long, 270 meters long at the waterline, 75 meters wide at the side, 38 meters wide at the waterline, 10.5 meters in draft, 50,000 tons (standard), 65,000 tons (full load), 1,960 crew members, 626 pilots, 40 staff members... It is one of the key national projects of the Ninth Five-Year Plan and the Tenth Five-Year Plan, and is the first self-made aircraft carrier equipped by the Chinese People's Liberation Army Navy...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2620,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2620\nTitle: \"Chinese Navy Ships.docx_Taodou.com\"\nSummary: \"Performance parameters: Length: 304.5 meters, waterline length 270 meters Beam: 75 meters, waterline width: 38 meters Draft: 10.5 meters Displacement: 55,000 tons (standard) 67,500 tons (full load) Staff: 1,960 crew members, 626 pilots, staff...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.71 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2621,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2621\nTitle: \"What are some of the most powerful scams in history? (The predecessor of China's first aircraft carrier \"Liaoning\")\"\nSummary: \"The chess game is so big that it is amazing. It is not comparable to those commercial conspiracies and scams. The birth of the aircraft carrier Liaoning. It is well known that in order to strengthen its sea control, contemporary China has always needed the support of aircraft carriers. But on the one hand, the country...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.44 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":2622,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2622\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.82 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2623,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2623\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.39 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":2624,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2624\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.69 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":0}
-{"id":2625,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2625\nTitle: \"Liaoning Liaoning's maiden voyage returns with a hidden mystery: the United States and Russia reveal a major discovery The new look of the Liaoning...\"\nSummary: \"WriterFrom:221.8.249.*The return of Liaoning from its maiden voyage is full of mysteries: the US and Russia revealed a major discovery. A new look for the Liaoning flight deck? History is definitely not a dream (photo), Ta Kung Pao, October 31st. The Chinese aircraft carrier Liaoning docked at Liaoning on the 30th...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2626,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2626\nTitle: \"\"The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895\": Historical Imagination of the Aircraft Carrier Era (The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895) Film Review\"\nSummary: \"At the end of September 2012, the Liaoning aircraft carrier was officially delivered to the navy, marking a new stage for my country's naval power. The face of the Liaoning is always a mystery to most Chinese people. This film directed by Liu Quanwei...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.22 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":2627,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2627\nTitle: \"In November 2012, my country's first aircraft carrier \"Liaoning\" successfully completed its maiden voyage... - Junior High School History - Jingyou.com\"\nSummary: \"Application APP Junior High School History Primary School My Paper Test Question Basket Recommended Paper Campus Number Local Quality Education Institutions (2017 Spring \u2022 Hedong District School-level Final Exam) In November 2012, the maiden voyage of my country's first aircraft carrier \"Liaoning\" was successful, marking the beginning of the Chinese Navy...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2628,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2628\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.75 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":2629,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2629\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - The most interesting thing is that a Chinese student studying in the Soviet Union also participated in the hardware development of this aircraft carrier. So today we choose to use this obsolete aircraft carrier as a starting point for a certain purpose and strategic significance. Even...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.77 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2630,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2630\nTitle: \"China's possession of aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"September 26, 2012 - We don't need to put the development of aircraft carrier strategy in the top priority, nor do we need to blindly believe that aircraft carriers will play a special role in the strategic pattern in the future. So today I would like to share with you the first aircraft carrier built by China...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.57 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2631,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2631\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 -It is a strategic weapon with expansion (high self-sustaining ocean-going combat capability), and its role is to make money. On the surface, although aircraft carriers have good combat power, they are not invincible. Submarines, missiles, destroyers...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.2 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2632,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2632\nTitle: \"China must have an aircraft carrier, which has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"September 26, 2012 - Nuclear submarines are divided into offensive nuclear submarines and strategic missile nuclear submarines. In the absence of aircraft carriers in China, if nuclear submarines are used to launch nuclear missiles, then offensive nuclear submarines must be used to launch suicide attacks on aircraft carriers (almost = death...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2633,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2633\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"\"Century Lecture Hall\" - Looking at the national marine strategy from the development of aircraft carriers, now on air). 1. The role of aircraft carriers... Comparison of Liaoning with aircraft carriers of various countries_Military\/Politics_Humanities and Social Sciences_Professional Materials. Chinese version of \"Foreign Journal\" \"Liaoning\" and... But the Vanguard was already...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2634,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2634\nTitle: \"The strategic significance of aircraft carriers to China is always more important than actual combat (original) - Naval Forum - Tiexue Community\"\nSummary: \"Our disputes are all about the role of aircraft carriers on the battlefield. Why do we never look at the role of aircraft carriers from the national strategic level? Sad. When you ask questions, don't just look at the near side, look at the far side, look at the overall situation. I don't want to be the so-called non-aircraft carrier faction...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2635,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2635\nTitle: \"Varyag is not symbolic: aircraft carrier has greater strategic value\"\nSummary: \"Land, air, conventional, strategic, the aircraft carrier fleet is just a sharp blade of the entire war system, a surprise force or a regular force, an ambush to contain the US aircraft carriers. Such a war is in line with the contest between the two great powers. Therefore, aircraft carriers are in the middle...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2636,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2636\nTitle: \"Chinese media commented on the commissioning of China's first aircraft carrier: of great strategic significance_Military Channel_ifeng.com\"\nSummary: \"September 26, 2012 - The construction of aircraft carriers in China has multiple strategic significances and urgent practical needs. Aircraft carriers can improve the long-range maritime combat capability of the Chinese Navy. The commissioning of the Liaoning aircraft carrier shows that the radius of the Chinese Navy to maintain national interests is being expanded by Huang...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.73 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2637,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2637\nTitle: \"Zhang Xiaodong: What is the strategic significance of the aircraft carrier's transfer to the port? _Sina News\"\nSummary: \"March 4, 2013 - Guancha.com article on March 3rd titled: What is the strategic significance of aircraft carrier transfer? This month, my country's first aircraft carrier Liaoning left Dalian and transferred to Qingdao military port on the 26th. During the voyage, relevant weapons and equipment tests were organized as planned,...\"\nRank: 12\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2638,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2638\nTitle: \"Is the strategic significance of aircraft carriers really that great? - Zhihu\"\nSummary: \"Join Zhihu Is the strategic significance of aircraft carriers really that great? Show all Followers 10 Comments Share Invite to answer Follow the question Write an answer Basketball, military, movie enthusiasts 18 people agreed with this answer GTX690 can blow up the slag 18 ...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2639,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2639\nTitle: \"Compared with the Liaoning aircraft carrier, what are the advantages and disadvantages of the Vikrant aircraft carrier? - Zhihu\"\nSummary: \"In terms of attack wave intervals, Liaoning has an overwhelming advantage. I won't talk about the fourth point. You can search the number of accidents that occurred in the Indian Navy between 2012 and 2014 to understand it. Other indicators for measuring the entire aircraft carrier battle group include...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 94.31 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2640,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2640\nTitle: \"On November 21, 2012, China's carrier-based fighter J-15 successfully launched on the Chinese aircraft carrier Liaoning...\"\nSummary: \"On November 21, 2012, China's carrier-based aircraft J-15 successfully took off and landed on the Chinese aircraft carrier Liaoning. As shown in the figure, the carrier-based aircraft taking off is in motion relative to the deck. If the carrier-based aircraft is considered to be stationary... potential energy, the buoyancy of the aircraft carrier will decrease decrease (fill in \"increase\", \"decrease\" or \"remain unchanged\"). [Special topic] Other...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.1 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2641,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2641\nTitle: \"The first domestically-made aircraft carrier was launched. What are the improvements compared to the Liaoning? - Wukong Q&A\"\nSummary: \"Just like Toyota's Corolla and Ralink. First of all, let's talk about the deck. The deck area has increased compared to the Liaoning, and the island... The shipborne equipment of the domestic aircraft carrier, such as the battlefield perception system, radar and air traffic control system, will have advantages over the Liaoning. Finally... In addition, if it is not a nuclear-powered aircraft carrier, a conventionally powered aircraft carrier needs a centralized exhaust chimney location,...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.3 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2642,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2642\nTitle: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially delivered to the People's Liberation Army of China...\"\nSummary: \"B. The position of the pilot relative to the crew on the Liaoning aircraft carrier is constantly changing. If the crew on the Liaoning aircraft carrier is used as a reference, the pilot is moving, so B is wrong; C. The position of the pilot relative to the J-15...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2643,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2643\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"The biggest advantage of US aircraft carriers is that they have two catapults. Baldwin recalled that during the \"Desert Storm\" airstrike on Iraq, an F\/A-18 fighter jet on the \"Midway\" had a fuel leak and the fighter jet had to make an emergency landing within 6 minutes, otherwise the aircraft would...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.33 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":2644,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2644\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"Being detached from the world, one can be tolerant. The ski jump of Liaoning and 001A has offset the advantage of heavy carrier-based aircraft and brought about the serious problem of J15's large body occupying too much area. There is no advantage. Facing Rafale M, Charles de Gaulle will win a crushing victory. The most influential...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.98 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":2645,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2645\nTitle: \"China China's Liaoning aircraft carrier was exposed to two major problems and three major defects. Japan is digging at China's lifeline...\"\nSummary: \"China's Liaoning ship was exposed to two major problems and three major defects! I saw an article online, written by Hong Kong military commentator Mr. Ma Dingsheng, which evaluated the fatal defects of China's first ship. It is said that Tang Yan has changed her feelings and dumped Qiu Ze for Luo because of family problems...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.42 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2646,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2646\nTitle: \"Daily Express\"\nSummary: \"April 21, 2017 - First: Liaoning is not a domestically produced aircraft carrier. The most abundant experience that my country can absorb is the ski-jump takeoff method of Liaoning, so the ski-jump takeoff method is more reliable. Second: If the catapult takeoff method is chosen, the next step of the domestically produced aircraft carrier...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2647,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2647\nTitle: \"Chapter 24: The Sinking of Liaoning - Future Human War History - Future Human War History Book Title Online Reading...\"\nSummary: \"Knowing this loss ratio, the Liaoning aircraft carrier officers and soldiers, including Liu Wu, felt that it was very worthwhile. However, although the loss ratio was reduced to 2 to 1, the absolute advantage of the Japanese carrier-based aircraft in quantity and quality meant that the Chinese J-15 carrier-based aircraft group...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 30.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2648,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2648\nTitle: \"Taiwanese students in mainland China: Taiwan should not be left with only \"strong human touch\"_Taiwan Vientiane_China Taiwan Net\"\nSummary: \"June 10, 2014 - With the launch of the Liaoning aircraft carrier, the whole world has to be vigilant to this inexplicably powerful but rapidly improving force. At the same time, what happened in Taiwan? The mutual boycott between the blue and green parties in the \"Legislative Yuan\", the college students...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2649,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2649\nTitle: \"Passion writes innovative dreams_Rolling News_Sina Finance_Sina.com\"\nSummary: \"April 18, 2013 - Experts were invited to comment on the strengths and weaknesses of each province, region, and city, and to propose possible solutions to the problems. Readers have said that this large-scale report has indeed helped to create a strong atmosphere in each region to encourage and promote independent innovation...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2650,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2650\nTitle: \"Where is the final base of Varyag? Let's discuss it! -Navy version-Super Base Camp...\"\nSummary: \"Their advantages and disadvantages are as follows: Qingdao Base Qingdao Port has the largest artificial naval base in the Far East. In fact, the Chinese Navy began the construction of a large ship base as early as the 1980s. In February 1988, the Chinese Navy...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2651,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2651\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 191.18 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2652,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2652\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.94 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2653,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2653\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 114.74 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":2654,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2654\nTitle: \"Icebreaker games for individuals (get to know each other and understand each other's personalities) contains 43\"\nSummary: \"| Category: Default Category | Tags: Author: Liang Tingyi | Source: \"Selected Ice-breaking Games for Cell Groups (1)\" 1. Get to know your partners Purpose: Guess the living habits of group members Time: 15-20 minutes Materials: Pen and questionnaire Content: Group leader...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.48 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":1}
-{"id":2655,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 105.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2655\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.11 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2656,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 105.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2656\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Surrounding facilities Commercial services Popular categories: Popular business districts: Landmark subway: Rating: Rating: Fee: I didn't listen to it once... And there are a lot of people during the peak tourist season, and the queue is very long! However, the amusement facilities inside... Rating: Rating...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.05 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":2657,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 105.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2657\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2658,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 316.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2658\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, the air is fresh and cool... Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.42 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":2659,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 316.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2659\nTitle: \"Recommended tourist destinations in Beijing in May_Recommended leisure resorts in May_Recommended 5-day tour in Beijing in May...\"\nSummary: \"Double bed 7 days tour, Chengdu sunset red travel price, 2017 spring sunset red Beijing (Forbidden City, Great Wall, Summer Palace, Temple of Heaven, Prince Gong's Mansion), Tianjin air-conditioned double bed 7 days (luxury tour) elderly tour group itinerary features: 1. Highlights: Arrangement of four major...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2660,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 316.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2660\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to Huangshan City in May 2018 | Pre-book...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, how much does all routes from Beijing to Huangshan City cost in May 2018, and real-time updates on what fun things to do around Beijing are.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 236.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2661,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"12306\"\nQuery Dwell Time: 55.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2661\nTitle: \"[12306 online train ticket booking_train ticket inquiry_12306 online ticket booking official website] Train ticket online...\"\nSummary: \"It provides national train timetable enquiry, train ticket enquiry, online train ticket booking, train ticket price enquiry and other services, including train ticket enquiry for EMU, high-speed rail and ordinary trains, train number enquiry, etc. 12306 online train ticket booking makes your travel convenient.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 50.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2662,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua for sale\"\nQuery Dwell Time: 86.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2662\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Tsinghua University mountain bike, other bicycles, many second-hand bicycles for sale, easy to ride, with baskets for carrying people, various styles, styles... Fucheng - Fu River Second Bridge fixed gear\/field, other bicycles, given by a friend, no invoice, brought back and assembled by myself, just...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.86 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2663,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua for sale\"\nQuery Dwell Time: 86.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2663\nTitle: \"[Tsinghua University second-hand venue\/fixed gear|Tsinghua University second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Price: Area: Sorry, no relevant information was found. Tsinghua University venue\/fixed gear related information. Tsinghua University venue\/fixed gear brand navigation. Tsinghua University second-hand venue\/fixed gear channel provides you with Tsinghua University second-hand venue\/fixed gear transfer\/sale information,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2664,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer\"\nQuery Dwell Time: 187.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2664\nTitle: \"[Second-hand fixed gear bicycle transfer_New fixed gear bicycle transfer information] - baixing.com - China...\"\nSummary: \"Fixed Gear Transfer Jiefang Fixed Gear \/ Others \/ October 22 2 pictures 100 yuan Second-hand fixed gear transfer Decheng fixed gear \/ October 21 5 pictures 180 yuan fixed gear bicycle Nanshan - Lulinshan - Bus Station fixed gear \/ Others \/ October 21 2 pictures 360 yuan fixed gear bicycle transfer...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 134.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2665,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer\"\nQuery Dwell Time: 187.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2665\nTitle: \"[Second-hand genuine fixed gear for sale] - Yangjiang Second-hand - Ganji.com\"\nSummary: \"Authentic fixed gear used for sale - 1300 yuan for sale SOOO racing bike for sale Giant racing bike for sale Bonchino mountain bike for sale Fiverams mountain bike for sale Naima NAIMA road bike for sale Quiski mini bike for sale...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2666,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2666\nTitle: \"[Baiwanzhuang second-hand venue\/fixed gear|Baiwanzhuang second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Baiwanzhuang Second-hand Vents\/Fixed Gear Market provides you with a large amount of Baiwanzhuang Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Baiwanzhuang Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to 58.com...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2667,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2667\nTitle: \"[Baishiqiao second-hand venue\/fixed gear|Baishiqiao second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Baishiqiao second-hand fixed gear market provides you with a large number of Baishiqiao second-hand fixed gear transfer, purchase, price, picture information. Here you can query and publish Baishiqiao second-hand fixed gear information for free. Please go to 58.com to buy and sell second-hand fixed gear...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2668,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2668\nTitle: \"\u3010farfar fixed gear\u3011_second-hand_transfer_recycling \u2013 Xianyu\"\nSummary: \"Loading, please wait... Region selection porschewrcBeijingBeijingSince I plan to leave Beijing in the near future, I am selling my car. The original car was purchased on Taobao at the end of 2015. It is in good condition, with fixed gear, front brakes, and very beautiful solid wood straight handlebars. ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 111.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2669,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2669\nTitle: \"\u3010bj fixed gear\u3011_Second hand_Transfer_Recycling \u2013 Xianyu\"\nSummary: \"Fibre flare has been idle at home and is now transferred to fixed gear enthusiasts... 15 hours ago Light blue ning Shandong Linyi In addition to the car seat...Beijing Fangshan Liangxiang University Town is preferred 16 hours ago xinyuanzhi1017224668 Jilin Jilin Jiuxin, Aurora Blue...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2670,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 100.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2670\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.2 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2671,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 100.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2671\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - International Flight Baggage Regulations: What are the latest international flight baggage regulations in 2017? Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to America and Europe...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2672,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 150.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2672\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2673,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 150.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2673\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"Hope this helps! 2017 International Flight Baggage Rules Air China introduces a new policy of free checked baggage! After that, you can take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (not...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2674,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 101.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2674\nTitle: \"International flight baggage regulations\"\nSummary: \"\u2475\u3001International flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*... 3. What are liquids, gels and sprays? Liquids, gels and sprays include: Drinks, such as...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.71 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":2}
-{"id":2675,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 101.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2675\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"All international flights departing from Central Japan International Airport (excluding arriving flights) Carry-on baggage (excluding checked baggage such as suitcases) Effective date Carry-on regulations Except for the following cases, it is prohibited to carry any liquid items exceeding 100 ml. Container...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.69 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2676,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 101.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2676\nTitle: \"How much luggage can you bring on a plane? How much luggage can you bring on a plane? How much liquid can you bring on a plane?\"\nSummary: \"1. Free baggage allowance based on weight (applicable to domestic flights and international flights not in and out of the United States and Canada) If you are taking a domestic flight, the free baggage allowance for each passenger includes checked and carry-on baggage. The total weight of carry-on baggage is 5...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2677,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Baggage Liquids\"\nQuery Dwell Time: 52.6 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2677\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"What to do if there are liquids in checked baggage on international flights? 1. Passengers on Chinese international flights can carry no more than 1 liter (L) of liquids (excluding alcohol) per person each time. The excess must be checked in.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2678,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Baggage Liquids\"\nQuery Dwell Time: 52.6 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2678\nTitle: \"Liquid items in checked baggage on international flights - Fengniao.com\"\nSummary: \"Hello, I am a flight attendant of Air China. Checked baggage packaging Checked baggage must be well packed, properly locked, firmly tied, able to withstand a certain amount of pressure, able to be safely loaded and unloaded and transported under normal operating conditions, and must comply with...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.35 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2679,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Baggage Liquids\"\nQuery Dwell Time: 52.6 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2679\nTitle: \"What are the restrictions on checked liquids on international and domestic flights? I want to bring some boiled Chinese medicine...\"\nSummary: \"Most flights do not allow you to bring liquids larger than 50ml. You cannot bring Chinese medicine. There are restrictions on Chinese patent medicines. Share Add a comment Favorite Report 0 \/ 600 words Add an answer 0 words Business license New Internet License (Beijing) No. 242 National unified customer service phone number: ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2680,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Liquids\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2680\nTitle: \"I would like to ask what the current standards are for checking carry-on liquids on international flights! ? - Thailand - 16Fan\"\nSummary: \"Should I bring anything no larger than 100 ml or one liter? I want to ask what the current standards are for checking carry-on liquids on international flights! ? , 16th\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.58 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2681,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Liquids\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2681\nTitle: \"Starting from May, passengers on international flights can only bring 1 liter of liquid, but not perfume.\"\nSummary: \"April 21, 2007 - From May 1, passengers can bring up to 1 liter of liquid on domestic flights. Travel warning: Many foreign airports yesterday... Why can't you bring perfume and toothpaste on international flights from May 1? Xinhua News Agency, Beijing, April 20th. From May 1...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.73 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2682,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights: Liquids\"\nQuery Dwell Time: 94.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2682\nTitle: \"There are new regulations for passengers to carry liquids. Air China's warm service ensures passengers' travel\"\nSummary: \"May 15, 2007 - The publicity board is divided into four languages: Chinese, English, Korean and Japanese, so that passengers on international flights can understand the regulations on liquid items at a glance, avoiding misunderstandings caused by language barriers. However, due to changes in relevant regulations on international flights...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.36 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2683,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights: Liquids\"\nQuery Dwell Time: 94.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2683\nTitle: \"Can I carry liquids on international flights? - Solved - Alibaba Business\"\nSummary: \"International flights departing from China can carry liquids. The volume of each item must not exceed 100 ml. The total volume of liquids cannot exceed one liter. They do not need to be placed in transparent plastic bags. The restrictions are the same. Welcome to Business Tips! ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2684,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights: Liquids\"\nQuery Dwell Time: 94.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2684\nTitle: \"Can I bring liquids on international flights? - Qyer Q&A\"\nSummary: \"It is said that the latest regulations prohibit passengers on domestic flights from carrying liquid items. Passengers on international and regional flights departing from airports within China are not allowed to carry liquid items with a volume of more than 100 ml per item.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2685,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Checked liquids\"\nQuery Dwell Time: 64.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2685\nTitle: \"Are there any restrictions on liquid checked baggage on international flights? - Mafengwo\"\nSummary: \"If I check my luggage when flying abroad, are there any restrictions on the liquids in it? If there is a limit, what is the maximum total amount? Please note that it is checked!!! Checked!!! Checked!!! Not carried with you! I will be going abroad for the first time tomorrow, and I hope to get an answer. I am very grateful...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.44 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":2}
-{"id":2686,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights must be checked in\"\nQuery Dwell Time: 49.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2686\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2687,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 64.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2687\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 31.65 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2688,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 64.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2688\nTitle: \"Quit Smoking Area - Quit Smoking Community | Quit Smoking Forum - Let's Quit Smoking Happily Together\"\nSummary: \"The Quit Smoking Area is a public welfare community forum for quitting smoking, which aims to help people who are addicted to smoking to quit smoking happily, exchange quitting smoking experiences, quitting smoking methods, relieve symptoms after quitting smoking, use of quitting smoking auxiliary medicines and products, etc., and guide people on how to quit smoking...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.61 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2689,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 64.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2689\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"Smoking cessation is a product specifically for men's health. The smoking cessation products sold on the official website are all genuine. Learn about smoking cessation and consult how much it costs to quit smoking. The only official channel to buy genuine smoking cessation products is safe and guaranteed. To buy genuine smoking cessation products, look for the official smoking cessation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.96 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2690,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 220.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2690\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 134.73 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":3}
-{"id":2691,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 220.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2691\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.09 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2692,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 80.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2692\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.25 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n","usefulness_score":3}
-{"id":2693,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 80.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2693\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.18 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2694,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 41.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2694\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Author: admin Quit smoking Source: Original from this site Hits: China Quit Smoking Network News: I believe everyone knows that smoking is very harmful, and smoking frequently is addictive. So how should we quit smoking when we are addicted? What is the most effective way to quit smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.68 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2695,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 26.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2695\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.84 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2696,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 79.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2696\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.6 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2697,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 47.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2697\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.01 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2698,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2698\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.84 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":0}
-{"id":2699,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2699\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.49 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":2700,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone6\"\nQuery Dwell Time: 34.98 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2700\nTitle: \"iPhone- Apple\"\nSummary: \"Explore iPhone, the world's most powerful personal device. Check out iPhone X, iPhone 8, and iPhone 8 Plus.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2701,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bdomestic price\"\nQuery Dwell Time: 36.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2701\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6|Parameters_iPhone6 \u200b\u200bPictures|Reviews_Apple iPhone...\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it. I waited until the supply was relatively stable and bought the iPhone 6 (64GB space gray) last Saturday (October 25 at 10 pm), but using it...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2702,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong Price\"\nQuery Dwell Time: 76.56 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2702\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively. This is higher than the price when it was first launched in Hong Kong. According to the price information on Apple's Hong Kong official website, the price of iPhone 6 starts at 5588 Hong Kong dollars (16GB), which is about 4424 yuan; the price of 64GB...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2703,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 67.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2703\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2704,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Taxes on buying iPhone 6 in Hong Kong\"\nQuery Dwell Time: 71.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2704\nTitle: \"Do I need to pay tax when buying an iPhone 6 in Hong Kong? - Hong Kong - 16fan\"\nSummary: \"Do I have to pay tax when I buy an iPhone 6 in Hong Kong? That depends on the mood of the customs. . Uh... Really. . Where are you going back from Hong Kong? I plan to go from Luohu, but I bought it for my own use, and it has been unpacked! The box is placed in the box, and the phone can be taken by myself, right? Luo...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.6 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2705,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Taxes on buying iPhone 6 in Hong Kong\"\nQuery Dwell Time: 71.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2705\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than those sold in China, and iPhone 6 is no exception. However, do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2706,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports domestic operator networks\"\nQuery Dwell Time: 74.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2706\nTitle: \"Both the mainland and Hong Kong iPhone 6 support mobile 4G network_IT Breaking News_Southern News\"\nSummary: \"September 3, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and both domestic and Hong Kong iPhone 6s support China Mobile's 4G network. Apple officially confirmed that the iPhone 6 will be available on September 9, Pacific Time...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2707,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports domestic operator networks\"\nQuery Dwell Time: 74.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2707\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators_Page 1_Digital Talk_Digital_Xici...\"\nSummary: \"Apple has officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. Apple iPhone 6 supports the 4G network of the three major domestic operators.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.42 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2708,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports China Unicom\"\nQuery Dwell Time: 27.18 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2708\nTitle: \"Hong Kong iPhone 6 confirmed to support China Unicom 4G [Tencent Mobile Manager]_Baidu Post Bar\"\nSummary: \"6 Confirmed to Support Unicom 4G\u3011A Weibo user got a Hong Kong version iPhone 6 and found that it can perfectly use Unicom 4G and is connected to the LTE FDD network. From the network standard, the Hong Kong version iPhone 6...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.5 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2709,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports Telecom\"\nQuery Dwell Time: 22.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2709\nTitle: \"Does the Hong Kong version of the iPhone 6 support China Telecom? - Hong Kong - 16fan\"\nSummary: \"It is not supported. Maybe there will be a module for Telecom after jailbreaking!!! It is said on the Internet that this model A1586 should support all networks, but there is no Telecom operator in Hong Kong, so the Hong Kong version has Telecom removed. I don't know if it is supported on the Internet...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2710,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports Telecom\"\nQuery Dwell Time: 22.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2710\nTitle: \"Does the Hong Kong version of iPhone 6 support telecom cards? Please tell me the advantages and disadvantages of the Hong Kong version in detail, thank you! - ...\"\nSummary: \"I use a telecom card and want to buy an i6, but I heard that the Hong Kong version does not support telecom cards. Is that true? --Good people have a peaceful life! Does the Hong Kong version of iPhone 6 support telecom cards? Please tell me the advantages and disadvantages of the Hong Kong version in detail, thank you! , Weiphone Forum\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.13 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2711,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Detailed Address\"\nQuery Dwell Time: 58.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2711\nTitle: \"...(near Wudaokou) How to get there, the address of Chenming Swimming Pool (Tsinghua University Swimming Pool),...\"\nSummary: \"Note: The map location is for reference only. The specific situation is subject to the actual road sign information. Introduction: Chen Ming Swimming Pool: It is said that... (Very good) Value for money 4 (Very good) Tsinghua's swimming pool has good water quality, clear and no disinfectant smell. The swimming lanes are also...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2712,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Detailed Address\"\nQuery Dwell Time: 58.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2712\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"Address: Inside Tsinghua University, Haidian District, Beijing Phone No, I will add Category: Swimming Traffic Guide Bus stops near Chen Ming Swimming Pool of Tsinghua University: Dashiqiao, Dashiqiao North, Shuangqing Road South Exit, Qianbajia, Qinghua East Road West Exit Station, Bajia...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.64 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":2713,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool\"\nQuery Dwell Time: 71.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2713\nTitle: \"Tsinghua Swimming Pool Opening Time in 2015_Baidu Knows\"\nSummary: \"Best answer: Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-...More questions about Tsinghua Chen Ming Swimming Pool>>\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.24 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2714,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool\"\nQuery Dwell Time: 71.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2714\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.59 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":2715,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 93.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2715\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 80.64 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":2716,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 32.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2716\nTitle: \"How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is already smoking at 12 knots_Short video...\"\nSummary: \"Short video How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is running at 12 knots but it is already smoking. Watch online in high definition. Short video related videos This minute of Nick Cheung's movie is more inspiring than reading a chicken soup book. If you are heartbroken, you may want to watch it. Father's love for his daughter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.27 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2717,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 70.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2717\nTitle: \"Model of Liaoning aircraft carrier battle group unveiled at weapons exhibition, equipped with cutting-edge weapons_News_Nanhai.com\"\nSummary: \"September 30, 2012 - Some of the weapons and equipment have reached the world's advanced level. At this weapons exhibition, the organizer exhibited a full set of high-simulation models of my country's first aircraft carrier formation, the \"Liaoning\" aircraft carrier formation. The organizer said that its composition is similar to that of my country's...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 50.89 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":2}
-{"id":2718,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 28.23 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2718\nTitle: \"The commissioning of the Liaoning reflects five strategic significances [Jiangchuan Farm Hangzhou Youth Bar]_Baidu Post Bar\"\nSummary: \"The commissioning of the Liaoning reflects the five... \"Yellow Water Navy\" turns to \"Blue Water Navy\" Yesterday, China's first aircraft carrier, the Liaoning... will accelerate the comprehensive strategic transformation of the Chinese Navy from a \"yellow water navy\" to a \"blue water navy\".\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.22 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2719,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 67.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2719\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"No advantage against Rafale M. Left and right disadvantages, Charles de Gaulle will win overwhelmingly. The most influential military forum - Super Base Military Forum welcomes you! Aloof from the world, tolerant. From the perspective of the aircraft carrier itself, Charles de Gaulle is better than Liaoning. The new aircraft carrier...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2720,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 67.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2720\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"The Liaoning played a role in resolving the Diaoyu Islands dispute, but not as much as many people imagined. China has finally completed its settlement of the dispute over the Wa... From this point of view, China's \"institutional advantage\" is no longer an advantage, but rather a disadvantage - China's existing system...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.12 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":1}
-{"id":2721,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 67.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2721\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. In this special... Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.1 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":2722,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 88.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2722\nTitle: \"Aircraft carriers are indeed giants. The deck of Liaoning compares with the Nimitz class of the United States_Sohu Others_Sohu.com\"\nSummary: \"January 15, 2017 - Statement: This article was written by an author who is registered on Sohu.com. Except for Sohu official accounts, the views only represent the author himself and do not represent the position of Sohu.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2723,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 88.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2723\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.3 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n","usefulness_score":3}
-{"id":2724,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 178.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training: ice-breaking game for 10 people\"\nQuery Dwell Time: 117.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2724\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2725,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 178.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training\"\nQuery Dwell Time: 28.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2725\nTitle: \"Deserted Island Survival Development Training\"\nSummary: \"Quality development training planning Quality development training planning Quality development training planning Deserted island survival development training Deserted island survival development training Deserted island survival development training Employee outdoor development training Employee outdoor development training Employee outdoor development training\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2726,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 178.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training\"\nQuery Dwell Time: 28.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2726\nTitle: \"Outward Bound Training - Deserted Island Survival Project\"\nSummary: \"Features of the Deserted Island Survival Project 1. Enhance the communication skills of team members. Enhance the management ability of leaders to lower-level employees. 2. Enable people to distinguish between the key and secondary priorities of work and learn to grasp the main contradictions of the problem. 3. Let people establish a sense of crisis,...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2727,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2727\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have fun recently. Can anyone tell me where to go in Beijing in May? Where to go in Beijing in May... Yunju Temple 4 interesting places to visit Yunju Temple is located in Fangshan District, southwest of Beijing, 70 kilometers from the city center. It occupies...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.83 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":2728,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2728\nTitle: \"Where to go in Beijing during the May Day holiday?\"\nSummary: \"Beijing Legu Music Festival Time: May 1st to May 3rd Beijing Legu Music Festival Location: Yuyang International Ski Resort, Gaocun Town, Pinggu District, Beijing There are many fun places around Beijing, of course we have to choose the most fun places and the most interesting activities. Then...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.22 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2729,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2729\nTitle: \"What are the fun places in Beijing in 2017?\"\nSummary: \"As the capital of China, what are the interesting attractions in Beijing? I believe many people don't know. Below, the editor of 100%.com has sorted out the information of Beijing attractions in 2017 for everyone, hoping to add icing on the cake for everyone's Beijing trip. 2017 Beijing attractions - Gu...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2730,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2730\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"Popeye (Vagabond) (Level 1) Landlord of Youtianxia Hello, you can come to Beidaihe to have fun. It is also close to Beijing. There are only a few... I want Qinhuangdao in May... What are the good places around Beijing in May... Where can I go to Beidaihe frequently in May... Is there a place close to Qinhuangdao...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.41 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2731,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2731\nTitle: \"What are the fun places in Beijing during the May Day holiday? Introduction to the fun attractions in Beijing during the May Day holiday in 2016? _Tourism Q&A...\"\nSummary: \"Are there any good attractions nearby that you can recommend? Does anyone know what fun places there are in Beijing during the May Day holiday? Introduction to fun attractions in Beijing during the May Day holiday... Here are \"The Mansion Gate\", \"The Dye House\", \"The Heaven Sword and Dragon Saber\", \"The Fragrance of Sophora japonica in May\", \"Iron Teeth and Bronze Teeth Ji Xiaolan\"...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.33 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2732,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2732\nTitle: \"Where to go in May_What attractions are fun in May_Recommended recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. Every year, many people travel from Beijing to Qinhuangdao, especially in summer, Qinhuangdao is a summer resort. In Qinhuangdao...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.23 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2733,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Cheap and fun places around Beijing\"\nQuery Dwell Time: 49.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2733\nTitle: \"Top 10 must-see places in Beijing, Beijing travel guide - Mafengwo\"\nSummary: \"Travel days \/ 3 days People \/ With friends Counting on my toes, I have been in Beijing for 7 years and have been to more than a dozen interesting places. Now I don\u2019t know where to go on weekends... It\u2019s boring. I used to think that Jiankou and Miyun Reservoir were the most...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.58 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2734,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Cheap and fun places around Beijing\"\nQuery Dwell Time: 49.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2734\nTitle: \"What are the fun places around Beijing? Recommended places with few people around Beijing\"\nSummary: \"The most fun place, I think. 2. Miyun Reservoir (leisure, relaxation) Beijing is not near the sea and lacks water, so Miyun Reservoir is the largest body of water. The north bank is as open as the sea, and there is a row of radio telescopes on the shore that roar to the sky; the south bank...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2735,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surrounding Tourism Transportation\"\nQuery Dwell Time: 44.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2735\nTitle: \"Tickets from Beijing to surrounding tourist attractions_XinXin Travel Network\"\nSummary: \"Internal Transportation Tourist Trains There are tourist trains departing from several railway stations in Beijing to various scenic spots in the suburbs of Beijing on a regular basis every day. Tickets for holiday outing trains can be purchased at Beijing Railway Station, Beijing North Railway Station, Beijing South Railway Station, Beijing Railway International Travel Agency, etc. Beijing Railway Station, Beijing...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2736,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Scenic spots around Beijing\"\nQuery Dwell Time: 27.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2736\nTitle: \"Recommended attractions and itinerary for a two-day tour around Beijing\"\nSummary: \"Beijing famous tourist attractions free travel Hangzhou nearby free travel attractions Ganzhou surrounding tourist attractions self-driving guide Hefei around... (There are clear signs along the way) Bus route: 1. Take bus 916 to Huairou (20 kilometers from the scenic spot), turn to Chengbei 2...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.53 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2737,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Seven-day tour of scenic spots around Beijing\"\nQuery Dwell Time: 41.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2737\nTitle: \"The best route for a seven-day tour in Beijing - HuiZe Insurance Network\"\nSummary: \"The above is the best route for a seven-day tour in Beijing recommended by the editor. You can visit Tiananmen Square and the surrounding attractions; you can also visit the Forbidden City to admire the majesty of the royal palace. No matter which scenic spot you visit in Beijing, your trip to Beijing will not be...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2738,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the fun things to do around Beijing?\"\nQuery Dwell Time: 46.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2738\nTitle: \"Where to have fun near Beijing?\"\nSummary: \"There are not many fun places around Beijing, so we have set our sphere of influence in Hebei. If you don't want to go far, you might as well go there... There is almost no tourism development there, but there are enough tourism elements, almost every doorman, every small tower and temple...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.01 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2739,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"3-Day Tour around Beijing\"\nQuery Dwell Time: 43.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2739\nTitle: \"In March, I will organize a trip with my colleagues. Are there any two-day tours around Beijing that are suitable for us?\"\nSummary: \"Hong Kong: +852-3069-9966 Overseas: +86-21-3406-4888 Problems solved: 3600730 9099326 people contributed valuable experience In March, my colleagues and I organized a spring outing. What two-day tours around Beijing are suitable for us?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2740,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"3-Day Tour around Beijing\"\nQuery Dwell Time: 43.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2740\nTitle: \"Where to go for a 2-3 day trip around Beijing and where to eat - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where are the best places to have fun and eat in Beijing for a 2-3 day trip? 4307 views 0 people are following Follow Answer 1 answer First, I would like to recommend a few places I have been to: I often go out to play, and I often try short trips of 2-3 days. I feel...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2741,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2741\nTitle: \"Grassland Sky Road in Zhangbei, Zhangjiakou - Travel Q&A\"\nSummary: \"Today is June 21st. The natural vegetation around the Grassland Sky Road has turned green, and crops have been planted in the farmland. July and August are the peak tourist seasons, and there will be quite a lot of tourists. Now is a good time to go without crowds. 2016-04-29 08:28 0 \/ 1000 words This is the fifth...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2742,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2742\nTitle: \"Related: When to go to Zhangjiakou Grassland Sky Road when there are not many people | How much does it cost to go to Zhangjiakou Grassland Sky Road for two days...\"\nSummary: \"Drive through the \"Batou Hundred Miles Painting Scroll\" and experience the grassland road where \"driving on green waves and people swimming in the painting\"; view route details >> Shijiazhuang summer popular tourist routes At the junction of Henan, Hebei and Shanxi provinces, there is a beautiful small town in northern Henan, its name is...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.26 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2743,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2743\nTitle: \"Zhangjiakou Grassland Sky Road. Mafengwo\"\nSummary: \"Because of the military parade, Beijing has restricted traffic. How can I get to Zhangjiakou Tianlu? Where should I go first? It would be best if you can help me edit the route. One-day tour 3850 views 0 people follow Follow Answer 3 answers Take the Badaling Expressway and go directly to Zhangbei, then you can go to Zhongdu Grassland...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.92 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2744,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2744\nTitle: \"Zhangjiakou Grassland Sky Road becomes popular and is called the Chinese version of Route 66 - NetEase Hebei\"\nSummary: \"August 20, 2014 - In Hebei, there is a road called Grassland Sky Road, located at the junction of Zhangbei and Chongli. On both sides of the winding road, there are green grasslands and many windmills... Only here can you truly feel the word freedom and...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2745,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2745\nTitle: \"Zhangbei Grassland Sky Road Two-Day Tour Guide and Guide_Record a Travel on a whim\u2014\u2014Qi_Bao...\"\nSummary: \"Recording a spontaneous trip - Zhangbei Grassland Sky Road at the end of July. The kids are on summer vacation in July. After a week of raising pigs in Phuket, we can't resist the desire for freedom. We set off this weekend under the pretext of avoiding the scorching heat in Beijing. Just relying on...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2746,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2746\nTitle: \"Grassland Sky Road Travel Guide\"\nSummary: \"|Zhangjiakou has been an important military defense town and a land trade port for entering the Mongolian, Russian and Eastern European markets since ancient times. It has green mountains and clear waters as well as lonely smoke in the desert. It is one of the main destinations for tours outside Beijing.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2747,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2747\nTitle: \"Zhangbei Grassland Sky Road Self-driving Tour Guide Shijiazhuang to Zhangjiakou Train 3-Day Tour [Pure Play No Shopping]...\"\nSummary: \"Itinerary: Depart at night, return at night, visit during the day, and take in all the highlights of Zhangbei Bashang Grassland; Highlights: Grassland Sky Road No. 66, Zhongdu Grassland, Grassland Amusement Park; Shocking: Zhongdu Style, Yehuling Battle Performance; Folk...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2748,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2748\nTitle: \"Grassland Sky Road Travel Guide_Baidu Experience\"\nSummary: \"Grassland Sky Road Travel Guide, is one of the ten most beautiful roads in mainland China, known as China's Route 66. \"Grassland Sky Road\" is 132.7 kilometers long. At the end of 2011, Zhangbei County of Zhangjiakou City invested 320 million yuan and was completed and opened to traffic at the end of September 2012. ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2749,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 127.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Bicycles near Tsinghua University\"\nQuery Dwell Time: 38.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2749\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"Add interior view Apply for new landmark Phone: 13693077221 Address: 200 meters north of the west gate of Tsinghua University [Report address and phone error] View large map: Merida Bicycle Tsinghua West Gate Hotel Inquiry Air Ticket Inquiry Attraction Tickets Travel Route Movie...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.07 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2750,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 127.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 28.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2750\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.27 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2751,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 127.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 28.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2751\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling track bicycle competition, called \"racing wheel\", in China...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.29 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2752,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2752\nTitle: \"General regulations for checked baggage - Air China official website\"\nSummary: \"Lithium battery transportation regulations in passenger baggage According to the ICAO Technical Instructions for the Safe Transport of Dangerous Goods by Air (2011-2012 Edition), passengers or crew members are required to carry portable electronic devices containing lithium or lithium-ion cells or batteries for personal use...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2753,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2753\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2754,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2754\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2755,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2755\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free checked baggage allowance for Dragonair's international flights is as follows: Passengers traveling to and from the United States and Canada can check in 2 pieces of luggage for free, and the weight of each piece of luggage must not exceed 32 kg; Passengers on other routes can check in 40 kg for first class and 40 kg for business class.\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.1 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2756,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Prohibited liquids\"\nQuery Dwell Time: 29.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2756\nTitle: \"I would like to ask what the current standards are for checking carry-on liquids on international flights! ? - Thailand - 16Fan\"\nSummary: \"Should I bring anything no larger than 100 ml or one liter? I want to ask what the current standards are for checking carry-on liquids on international flights! ? , 16th\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2757,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Prohibited liquids\"\nQuery Dwell Time: 29.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2757\nTitle: \"Can I bring liquids on international flights? - Qyer Q&A\"\nSummary: \"It is said that the latest regulations prohibit passengers on domestic flights from carrying liquid items. Passengers on international and regional flights departing from airports within China are not allowed to carry liquid items with a volume of more than 100 ml per item.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.37 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2758,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Prohibited liquids\"\nQuery Dwell Time: 29.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2758\nTitle: \"Are there any restrictions on liquid checked baggage on international flights? - Mafengwo\"\nSummary: \"Some people say that there are no restrictions on checked liquids. I am really confused and hope to get a positive answer) 11747 views 0 people follow Follow Answer 2 answers [The questioner accepts] Hi, this question is quite knowledgeable 1. There are basically no restrictions on checked liquids. I only brought cucumber skin toner...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2759,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Aircraft Prohibited Items\"\nQuery Dwell Time: 17.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2759\nTitle: \"Prohibited items on airplanes\"\nSummary: \"Things to note when flying Prohibited items on airplanes: The following are examples of prohibited items: (a) Firearms, including shotguns, air guns, livestock anesthesia slaughter machines, push-action guns, signal guns, starter rifles, ammunition, replica or imitation firearms, crossbows. (b) Explosives, including...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2760,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2760\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.45 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2761,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2761\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.95 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":2}
-{"id":2762,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2762\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2763,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2763\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.88 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":1}
-{"id":2764,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2764\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2765,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2765\nTitle: \"Benefits of quitting smoking\"\nSummary: \"If you want to make up your mind to quit smoking, you must first realize the specific benefits of quitting smoking. After you have a detailed understanding of the benefits of quitting smoking, you will have more confidence and perseverance. <br \/><br \/> Quitting smoking...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2766,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2766\nTitle: \"Benefits of quitting smoking brochure\"\nSummary: \"2. Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total amount of smoking...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2767,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2767\nTitle: \"Benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking: 20 minutes after quitting smoking: As the nicotine content in the body decreases, the body's circulatory system improves, especially the hands and feet. 8 hours after quitting smoking: The oxygen content in the blood reaches the level when you don't smoke, and at the same time, the body's oxygen content...\"\nRank: 13\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2768,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2768\nTitle: \"6 benefits of quitting smoking - Food Business Network Information\"\nSummary: \"Tobacco Online According to International Online Report According to Canada's \"Hostes\" magazine, the harm of smoking is well known. In order to spread the idea that smoking is harmful to health, foreign manufacturers have put a lot of effort into the outer packaging of cigarette boxes, such as skulls, cancerous lung organs...\"\nRank: 16\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.22 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2769,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 101.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2769\nTitle: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health...\"\nSummary: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health. I beg for a good way to quit smoking! It should be easy to operate. Put more food that your father likes on your body, such as candy.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.37 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2770,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The harm of quitting smoking\"\nQuery Dwell Time: 40.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2770\nTitle: \"The harm of smoking and the physical reaction after quitting smoking\"\nSummary: \"It is the main reason why many people fail to quit smoking. In the blood of people who have developed a smoking addiction, nicotine is maintained at a certain level. If this level is not reached, they will feel uncomfortable. After people quit smoking, due to the lack of nicotine stimulation in the body,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.73 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2771,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The harm of quitting smoking\"\nQuery Dwell Time: 40.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2771\nTitle: \"The dangers of relapse after quitting smoking\"\nSummary: \"The harm of relapse is very great, even more harmful to the human body than before quitting smoking. The most important harm is that relapse will lead to faster lung function failure. People who smoke again after quitting smoking are more vulnerable to toxic substances in the smoke. Relapse is more...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2772,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The harm of quitting smoking\"\nQuery Dwell Time: 40.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2772\nTitle: \"What are the side effects of quitting smoking? - Answer without complaint or sadness - Wukong Q&A\"\nSummary: \"Quit smoking recipe 1: Buy 250 grams of pumpkin vines, wash and chop them, then mash them to extract the juice, add an appropriate amount of brown sugar, and drink it as tea after boiling water. Quit smoking recipe 2: Buy 12 grams of earthworms, 12 grams of houttuynia cordata, 15 grams of polygala, then add 500 ml of water, mix...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2773,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2773\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.9 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2774,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2774\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.38 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":2775,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2775\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2776,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2776\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.48 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2777,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 42.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2777\nTitle: \"The ten most effective ways to quit smoking\"\nSummary: \"Make sure your mouth is never empty for cigarettes. The above are ten ways to \"quit smoking most effectively\". For more ways to quit smoking, please see the \"How to Quit Smoking\" column. Previous Quit Smoking: Five Ways to Get Men to Quit Smoking Next Quit Smoking: Quit Smoking to Prevent Relapse...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.57 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2778,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 42.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2778\nTitle: \"6 ways to quit smoking and how to clear your lungs after quitting smoking\"\nSummary: \"6 ways to quit smoking If smokers thoroughly understand and truly believe that smoking is harmful. If they think about their own experience of lung cancer, heart disease, stroke and other diseases caused by smoking, they will actively look for ways to quit smoking. Quitting smoking starts from daily life...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2779,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 42.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2779\nTitle: \"How to quit smoking?\"\nSummary: \"Details: How to quit smoking? Answer: Find a way to quit smoking based on your personal needs 1. A smoking cessation hotline is provided by the National Health Administration, where a specialist will teach you how to quit smoking 2. Smoking cessation clinics provide smoking cessation patches, which are currently available in most hospitals and have good results 3. Quitting...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2780,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2780\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Author: admin Quit smoking Source: Original from this site Hits: China Quit Smoking Network News: I believe everyone knows that smoking is very harmful, and smoking frequently is addictive. So how should we quit smoking when we are addicted? What is the most effective way to quit smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.11 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2781,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2781\nTitle: \"ScienceNet - Quitting smoking can also be contagious\"\nSummary: \"According to a report by British media on May 22, researchers recently found that quitting smoking is contagious. Previously, researchers have found that weight loss is contagious; this time they found that the same principle applies to people who quit smoking. People are connected through social and family relationships...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2782,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2782\nTitle: \"ScienceNet - If you want to quit smoking, do a blood test first\"\nSummary: \"Xinhua News Agency: How to choose a smoking cessation method that suits you and quit smoking as soon as possible? The latest issue of the British journal \"The Lancet Respiratory Medicine\" published a report on January 12, saying that blood tests to measure the efficiency of nicotine metabolism in smokers can help choose...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2783,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2783\nTitle: \"Scientific smoking cessation method concept\"\nSummary: \"Author: admin Smoking cessation source: original website Hits: China Smoking Cessation Network News: To reduce the harm of secondhand smoke to non-smokers, popularize and promote the scientific concept of smoking cessation, recently, the \"Quit Smoking Billions of Hours\" event hosted by the \"Quit Smoking I Can\" public welfare official website...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2784,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2784\nTitle: \"Scientific smoking cessation keeps you away from lung cancer\"\nSummary: \"Quitting smoking is not easy, but it is not impossible. Scientific selection of smoking cessation drugs and the support of professional medical staff play a role in helping patients quit smoking. In addition to general smoking cessation methods recommended by the current international clinical smoking cessation guidelines, the use of...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2785,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific ways to quit smoking\"\nQuery Dwell Time: 30.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2785\nTitle: \"Scientific methods to quit smoking\"\nSummary: \"Scientific smoking cessation methods` First of all, we must realize the benefits of quitting smoking: Just quitting smoking for one day, the benefits of quitting smoking to the heart, blood pressure and blood system will be apparent. After quitting smoking for one year, the excess risk of coronary heart disease is reduced by half compared to those who continue to smoke. Quitting smoking for 5...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2786,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific ways to quit smoking\"\nQuery Dwell Time: 30.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2786\nTitle: \"Scientific methods to quit smoking\"\nSummary: \"Scientific smoking cessation methods` First of all, we must realize the benefits of quitting smoking: Just quitting smoking for one day, the benefits of quitting smoking to the heart, blood pressure and blood system will be apparent. After quitting smoking for one year, the excess risk of coronary heart disease is reduced by half compared to those who continue to smoke. Quitting smoking for 5...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2787,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific ways to quit smoking\"\nQuery Dwell Time: 30.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2787\nTitle: \"A complete guide to scientific smoking cessation methods\"\nSummary: \"Lung-clearing pear: can quench thirst, clear heat and relieve cough, etc. A complete list of scientific ways to quit smoking 1. Reduce the time you spend alone If you want to quit smoking, you should try to reduce the time you spend alone. When you are alone, you are most likely to get addicted to smoking. In fact, when you get addicted to smoking, it is very...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2788,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2788\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"Google has opened 8,000 places (only in the United States) to pre-order Google Glasses at a price of $1,500 (RMB: 9,410 yuan)... The control and use of smart glasses will focus on voice control. Taking photos and videos at any time Taking photos and videos at any time is also a smart eye...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2789,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2789\nTitle: \"Google Glass has a new trick and will launch a shopping app - users can use Google Glass to scan products...\"\nSummary: \"Summary: Google Glass has a new trick and will launch a shopping application. Users can use Google Glass to scan product barcodes to compare prices. According to the editor of Hefei website construction http:\/\/www.055178.com, the unexpected Google Glass...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.56 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2790,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2790\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2791,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2791\nTitle: \"How to buy Google Glass? Google smart glasses purchase tutorial_IT digital_Information channel_Aifuqing.com\"\nSummary: \"September 3, 2014 - Google Glass can be found on eBay from many sellers around the world, with prices ranging from $800 to $5,000. And you can easily buy a Google Glass invitation code at a very low price. On eBay...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2792,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 38.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2792\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.02 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":3}
-{"id":2793,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 38.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2793\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 970 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.9 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2794,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone from Hong Kong?\"\nQuery Dwell Time: 25.58 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2794\nTitle: \"I need help with whether I need to pay customs duties when I buy an iPhone from Hong Kong and fly it back to mainland China? I am very...\"\nSummary: \"I need help from everyone. Is there any tariff if I buy an iPhone from Hong Kong and fly it back to the mainland? I would be very grateful! Thank you~~ The probability of being checked on the plane is much lower than that of flying from Shenzhen. If I buy one, it will be fine... If I buy too many, it will be no good. What is...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2795,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic operators?\"\nQuery Dwell Time: 23.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2795\nTitle: \"Can I use the iPhone 6 Plus I bought in Hong Kong in mainland China? - liuYR - 16fan\"\nSummary: \"Can I use the iPhone 6 Plus I bought in Hong Kong in mainland China? Will there be any network restrictions? Can I use the iPhone 6 Plus I bought in Hong Kong in mainland China? Will there be any network restrictions?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2796,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic operators?\"\nQuery Dwell Time: 23.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2796\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - The licensed iPhone 6 purchased in mainland China and the Hong Kong version purchased in Hong Kong both support China Mobile's 4G network... It is reported that the iPhone 6 is considered to be a big competition among the three major operators' 4G networks. Since the beginning of this year, my country has...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.02 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2797,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 23.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2797\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.0 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":2798,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 23.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2798\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.81 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":2799,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 33.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2799\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Jinhua Driving School Network (www.aixueche.com) Online Registration Center launched a series of preferential activities for driving school in March. This price is... Tsinghua University Swimming Pool preferential information, all in 114 Life Network\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2800,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 33.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2800\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Tsinghua University 11 How many high school students, how many people dream of this place, I can only club, I can't come here to study but I can still come here to swim haha, the environment here is very good, the water quality is also good, especially the price is very cheap, \uffe518 per person is already...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.77 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2801,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Membership Card Application\"\nQuery Dwell Time: 28.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2801\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"600 yuan 280 yuan 150 yuan Note: The procedures for applying for a time-based card are as follows: 1. To use a student ticket or card, you must present your student ID card... Tsinghua University Swimming Pool 1. Opening hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.45 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2802,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Membership Card Application\"\nQuery Dwell Time: 28.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2802\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.32 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2803,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Membership Card Application\"\nQuery Dwell Time: 28.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2803\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"(400 yuan, 40 times, valid for 2 months. I used to buy 300 yuan for 30 times and valid for 3 months, but now it is no longer available). If you don\u2019t use it too often, you can buy a 3-month season pass issued by the Haidian Swimming Pool, which is slightly more expensive than the one at Tsinghua University\u2026\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2804,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 72.93 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 21.29 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2804\nTitle: \"Taiwanese media: Liaoning aircraft carrier issued a warning to Taiwan's Kangding ship not to approach_Phoenix Military\"\nSummary: \"May 9, 2017 - Author: Sasha This article is originally written by Sasha. If you reprint it, please be sure to indicate [Sasha's History Lecture Hall No. 283] (Military Series No. 140) In December 2016, what did the Liaoning aircraft carrier do when it bypassed Taiwan?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2805,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 72.93 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 37.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2805\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.78 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2806,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 271.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 262.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2806\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2807,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 271.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 262.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2807\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.37 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2808,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 271.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 262.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2808\nTitle: \"18 Ice-breaking Games (for warming up the audience) - Training Games - Trainer Community\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 108.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2809,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2809\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.39 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2810,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2810\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing suburbs tour price Shandong Shanxi Hebei tour price Our agency is a formal registered travel agency. This tour is a pure play tour. There are no shopping attractions throughout the tour to ensure that tourists have enough time to visit. A real operating agency, independent tour, never sell tours...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.21 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":2811,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2811\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2812,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2812\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"I want Qinhuangdao in May... What are the good places around Beijing in May... Where to go to Beidaihe in May... Is there a place near Qinhuangdao... Yougu Shentan Gubei Water Town Shidu Yougu Shentan Gubei Water Town Beijing Tourist Attractions List [National AAAA Attractions] Temple of Heaven...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.77 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2813,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2813\nTitle: \"May 2013 Beijing surrounding tours ---- Huanghua Water Great Wall pictures 15, Huairou tourist attractions, scenic spots...\"\nSummary: \"Beijing Mutianyu Great Wall \u2194 Heroic fortifications for thousands of years Mutianyu Great Wall, by Yin Xiaoyao Beijing's Great Wall series - Hefangkou... Huairou surrounding destinations recommended pictures\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2814,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 292.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2814\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.56 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2815,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 292.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2815\nTitle: \"[Ranking of tourist attractions around Beijing] 2017 Ranking of tourist attractions around Beijing - Beijing Local Treasure\"\nSummary: \"Beijing Local Treasure provides you with the ranking information of tourist attractions around Beijing, and tells you which tourist attractions around Beijing are the most fun. Home Previous page Beijing surrounding tourism guide More Beijing surrounding tourism travel notes More Beijing surrounding attractions Popular domestic tourist attractions...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 135.53 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2816,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing attractions in May\"\nQuery Dwell Time: 120.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2816\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2817,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing attractions in May\"\nQuery Dwell Time: 120.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2817\nTitle: \"Where is the best place to go in Beijing in mid-May? - Travel Q&A\"\nSummary: \"Cheap Travel in Oceania For more questions, please click here x Back to top Outbound travel is all in the Cheap Travel App The choice of millions of travelers Scan the QR code to download on IOS\/Android Related questions Where is the most fun place to go around Beijing in mid-May? It would be best if there are mountains and water, scenic spots...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2818,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing attractions in May\"\nQuery Dwell Time: 120.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2818\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes make your trip more affordable and colorful Battle of Heroes Experience Real CS One-day Tour 158 yuan\/person Mulan Paddock Saihanba Park Ulan Butong...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2819,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"5-day tour of cities around Beijing in May\"\nQuery Dwell Time: 56.66 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2819\nTitle: \"Where to go in May_What attractions are fun in May_Recommended recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"Beijing Hang San (Pure Play) 5-Day Tour with Two-Flight Flights. Please follow the itinerary we carefully arrange for you during this 5-day trip! Our company has carefully selected the famous attractions in Beijing that you must see, and specially selected the authentic and delicious meals in Beijing, so that this trip will leave you with a beautiful...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.07 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2820,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"5-day tour of cities around Beijing in May\"\nQuery Dwell Time: 56.66 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2820\nTitle: \"Beijing 5-day tour route\"\nSummary: \"Best four-day tour route in Beijing_Beijing four-day tour guide Its own unique symbol, just like the Terracotta Warriors in Xi'an, the plane trees in Nanjing, and the Foreigner Street in Yangshuo, Beijing should also have... Travel Recommendations Popular City Travel Guide Beijing Travel Guide Shanghai Travel Guide...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2821,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2821\nTitle: \"Can I go fishing in Qinhuangdao at the end of May? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Can I go to the sea in Qinhuangdao at the end of May? Can I go to the sea at the end of May? My friend is having a birthday at the end of May and wants to go to eat some seafood together. I don't know if it's cold at this time. Can I go to the sea at noon? 2555 views 0 people follow Follow Answer 1 ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2822,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2822\nTitle: \"Travel to Qinhuangdao in May - Shijiazhuang to Qinhuangdao Shanhaiguan Beidaihe three-day tour [Free Biluo Pagoda...\"\nSummary: \"Hebei Baicheng International Travel Agency recommends Qinhuangdao tours for you. The three-day tour route of Qinhuangdao North and South Daihe is: visit Shanhaiguan, Sand Sculpture World, Biluo Tower Bar Park, etc., accommodation in standard rooms, all scenic spot tickets are included\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2823,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2823\nTitle: \"Where to go to Qinhuangdao for fun on May 1, 2010 - Fengniao.com\"\nSummary: \"1 I went to Qinhuangdao with my girlfriend for an afternoon or a whole day. Do you have any recommendations? For example, which places are must-go, which places are unnecessary, or not worthwhile? I searched online and found all the guides are very old. . . Shanhaiguan...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2824,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2824\nTitle: \"I plan to go to Qinhuangdao at the end of May for the Dragon Boat Festival and spend three days there! - Mafengwo\"\nSummary: \"Mafengwo Q&A > I plan to go to Qinhuangdao for three days during the Dragon Boat Festival! I hope you can recommend the best route. I want to go to Nandaihe on the first day, Beidaihe on the second day, and Shanhaiguan on the third day! How much does it cost? ! 517 views ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.26 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2825,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2825\nTitle: \"What are the attractions in Qinhuangdao in May? | Recommendations for a six-day panoramic train tour from Shijiazhuang to Qinhuangdao...\"\nSummary: \"Shijiazhuang to Qinhuangdao, Beidaihe, Ledao three-day tour itinerary features: Qinhuangdao boat sea sightseeing Beidaihe Olympic Avenue Park Fishing Island Ledao Ocean Park Shijiazhuang to Zhangbei, Chongli leisure two-day tour itinerary features: [Product Features] \"Tour...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 90.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2826,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to travel to Qinhuangdao in May?\"\nQuery Dwell Time: 80.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2826\nTitle: \"Qinhuangdao to Jinyintan Tourism_March-May Qinhuangdao to Jinyintan Tourism Route Quote_Tuniu\"\nSummary: \"Go to travel to find discounts Advanced search 24h customer service phone Jinyintan Change Outbound ranking Popular theme tours Visa-free\/landing... 1 day ago user *** booked Qinhuangdao-Beijing train free travel 1 day ago user ***935639 booked Qinhuangdao-Chengdu free travel...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.1 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2827,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to travel to Qinhuangdao in May?\"\nQuery Dwell Time: 80.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2827\nTitle: \"[Travel] May Qinhuangdao, Beidaihe Travel Guide! _Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"If it is the tourist season in June, it will be more expensive, but you can bargain, so you must pay attention to this. Living in Haining... However, there is a Tiantian Fishing Port in Hongqili, Qinhuangdao. However, the seafood hot pot is 29 yuan per person, and there is not much seafood, but...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2828,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 64.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2828\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.37 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":2829,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 64.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2829\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2830,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 64.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2830\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.26 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":2831,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note about fixed gear bicycles\"\nQuery Dwell Time: 48.13 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2831\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Tips for beginners to learn fixed gear bicycles | Sichuan bicycle supplier detailed description BSBY_f010 bicycles First brand [Germany Xinteshi, Mr. Xue, mobile phone: 13603023434] Fixed gear is now loved by more and more young people...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.13 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2832,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note about fixed gear bicycles\"\nQuery Dwell Time: 48.13 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2832\nTitle: \"51 Beginners learn how to use fixed gear bicycles.\"\nSummary: \"Hongxiangli brand 51 beginner fixed gear bicycle teaches you the precautions | Sichuan bicycle supplier product: estimate: 0, specification: complete, product series number: complete\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2833,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed gear bike purchase\"\nQuery Dwell Time: 25.1 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2833\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling track bicycle competition, called \"racing wheel\", in China...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.28 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":2834,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 25.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2834\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n","usefulness_score":3}
-{"id":2835,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 25.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2835\nTitle: \"How much is a fixed gear bike suitable for a beginner?\"\nSummary: \"For all kinds of fixed gear matching problems, please add the fixed gear player master WeChat: kusifei Welcome all new friends who love fixed gear to add, enjoy one-to-one service, all kinds of fixed gear problems can be solved for you! ! ! Retro fixed gear is the most popular one of GOBIKE in 2014...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.87 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2836,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 283.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight checked baggage volume and weight restrictions\"\nQuery Dwell Time: 77.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2836\nTitle: \"2017 Airline Checked Baggage Weight Regulations - Air Ticket Information - Passenger Terminal\"\nSummary: \"Carry-on items that exceed the above weight, number of pieces or volume limits should be checked in as checked baggage. The baggage weight regulations for international flights vary from airline to airline. Free baggage allowance for each passenger (including checked and self-carried baggage): Domestic flights...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 55.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2837,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 283.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can be put in carry-on luggage on international flights?\"\nQuery Dwell Time: 80.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2837\nTitle: \"How many pieces and weight of carry-on luggage can I take on international flights?\"\nSummary: \"Liquids, aerosols and gels Due to safety reasons, there are strict limits on the amount of liquids, aerosols and gels that can be carried in hand luggage on international flights. LAG items, such as drinks, creams, perfumes, sprays, gels and toothpaste, must be...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2838,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 283.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What do you need to carry on an international flight?\"\nQuery Dwell Time: 51.56 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2838\nTitle: \"What items can't you bring on a plane? - Yue Travel\"\nSummary: \"And knives cannot be checked in. They must be checked in. Liquids on domestic flights need to be checked in. Harbin 1. When taking a plane, small pieces of luggage can be... Civil Aviation stipulates that passengers holding first-class tickets can carry two pieces of hand luggage each, and economy and business class passengers can...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2839,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2839\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.1 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2840,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2840\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.46 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2841,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2841\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.42 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n","usefulness_score":1}
-{"id":2842,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2842\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.58 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2843,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2843\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.67 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":2}
-{"id":2844,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2844\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2845,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2845\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.66 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":0}
-{"id":2846,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The dangers of quitting smoking\"\nQuery Dwell Time: 43.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2846\nTitle: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health...\"\nSummary: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health. I beg for a good way to quit smoking! It should be easy to operate. Put more food that your father likes on your body, such as candy.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2847,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2847\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.48 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":3}
-{"id":2848,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Electronic cigarettes\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2848\nTitle: \"Interesting ways to quit smoking\"\nSummary: \"Seven ways to quit smoking during the first five days of the most difficult period (1) Drink 6-1.8 cups of water between meals to help excrete nicotine from the body. (2) Take a warm bath every day, and...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.24 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":3}
-{"id":2849,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2849\nTitle: \"How to Quit Smoking Fast\"\nSummary: \"Here are five ways to quit smoking quickly: Day 1: Preparation It is important that you are mentally prepared and decide (note that this is very important and the key to success) to quit smoking. Try not to stay with those who are still smoking on that day. Day 1: Preparation It is important that you are mentally prepared and decide (note that this is very important and the key to success) to quit smoking. Try not to stay with those who are still smoking on that day.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.7 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2850,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2850\nTitle: \"How to quit smoking - Alibaba Column\"\nSummary: \"Men always like to distribute cigarettes to people around them when they smoke, which is also a way of socializing. In order to make our leader quit smoking, his wife confiscated all his Zhonghua and Furongwang cigarettes and bought him a few Daqianmen. The leader is always ashamed to...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.98 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2851,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2851\nTitle: \"How to quit smoking (1) - 3721 Health Knowledge Network\"\nSummary: \"Traditional Chinese medicine has a good effect in quitting smoking. A healthy and harmonious life requires quitting smoking. What to do if quitting smoking is difficult? Seven ways to quit smoking. The most effective ways to quit smoking. The harm of smoking after meals is 10 times greater than usual. Avoid the three dangerous traps of quitting smoking and relapse. Help...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2852,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2852\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The Quit Smoking Network provides smokers with the best methods to quit smoking, smoking cessation products, and the benefits of quitting smoking. It teaches everyone how to quit smoking, how to quit smoking, and how to quit smoking most effectively. Let us quit smoking together on the Quit Smoking Network!\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.35 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":0}
-{"id":2853,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 171.51 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 71.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2853\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2854,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 171.51 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 34.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2854\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2855,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 171.51 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 21.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2855\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2856,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2856\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 21.07 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":2857,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2857\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it, and wait until the supply is relatively stable [View Details] There are fewer and fewer reasons to jailbreak iOS 8 official version experience 2014-09-18 After a long time...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 53.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2858,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2858\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6|Parameters_iPhone6 \u200b\u200bPictures|Reviews_Apple iPhone...\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it. I waited until the supply was relatively stable and bought the iPhone 6 (64GB space gray) last Saturday (October 25 at 10 pm), but using it...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.99 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2859,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2859\nTitle: \"...6 series mobile phone] quotation_(Apple) Apple iPhone6 \u200b\u200bseries mobile phone collection_price picture...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.28 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2860,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2860\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"Question: How much does it cost to buy an iPhone 6 in Inspiration Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does our melody cost to buy an iPhone 6 in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? Three versions of iPhone 6...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.35 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2861,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2861\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I want to know about the purchase of iPhone 6 in July~ 8527 views 0 people follow Follow Answer 10 answers [The questioner accepts] It is not convenient for you to go to those three...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2862,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2862\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2863,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2863\nTitle: \"About buying iPhone 6 in Hong Kong - Transaction\/Card Number - 16fan\"\nSummary: \"2015.2.1 I went to Hong Kong and wanted to buy an iPhone 6. Can I buy it without making an appointment? Please answer me if you know~~ Questions about buying an iPhone 6 in Hong Kong, 16fan\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2864,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone price in hong kong\"\nQuery Dwell Time: 141.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2864\nTitle: \"[Apple iPhone 6 full network Beijing price] Beijing Apple iPhone 6 full network latest price_...\"\nSummary: \"Beijing Apple iPhone6 \u200b\u200b(all network) quotation ZOL Zhongguancun Online Beijing Apple iPhone6 \u200b\u200ball network latest quotation provides Beijing Apple iPhone6 \u200b\u200ball network mobile phone dealers the lowest quotation, so that you can timely understand Beijing Apple iPhone6 \u200b\u200ball network bottom...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2865,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase\"\nQuery Dwell Time: 141.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2865\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 98.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2866,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay tax when buying an iPhone in Hong Kong?\"\nQuery Dwell Time: 112.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2866\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - If you have a friend in Hong Kong, he will buy something for you and bring it back to China without paying taxes. If you are looking for a purchasing agent, then taxes may be charged. You may or may not have to pay taxes when the courier brings it back. Let's take a look at...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 89.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2867,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 36.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2867\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Views Followers You can invite high-quality answerers to answer faster...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.58 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2868,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 36.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2868\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"Can the Hong Kong version of iPhone 6 be used on the domestic network without root? Answers Views Today I saw news that the Hong Kong Apple official website is open... The Hong Kong version is the A1586 for all networks, and can be used by all three operators. Cancel Comment Swansan No jailbreak is required to use the full...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2869,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 88.02 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2869\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.92 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":2870,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 88.02 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2870\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.27 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":1}
-{"id":2871,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 88.02 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2871\nTitle: \"Opening hours of the National People's Congress Swimming Pool or Tsinghua Swimming Pool during the Dragon Boat Festival\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Groups Reading FM Time Things Market More Douban Photography Douban Mini...\"\nRank: 16\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2872,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 80.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2872\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2873,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool\"\nQuery Dwell Time: 260.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2873\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"Water quality 3 (very good) Environment 3 (very good) Value for money 3 (very good) I feel that Tsinghua's swimming pool is very cost-effective, because the company has benefits, and it only costs 10 yuan to swim once. It is not expensive for off-campus personnel, only 25 yuan. The water quality is relatively good, and it is said that ozone...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 216.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2874,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 723.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 202.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2874\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 182.46 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2875,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 723.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 52.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2875\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 37.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2876,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 267.82 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game Company\"\nQuery Dwell Time: 257.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2876\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Find the target (do not use the student's name or company name) Name string game group members sit in a circle and nominate one person at random... Hunter hunting rabbit Game type: ice-breaking game Suitable for number of people: unlimited Game props: none Game steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2877,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 267.82 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game Company\"\nQuery Dwell Time: 257.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2877\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Painter [Ice Breaker Game] Props: Each group (5-6 people) a large white paper (not too thin), two oil-based pens Step 1, each... Especially among colleagues in the same department or the same company, the effect is better. \uf06c Be careful not to let...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.52 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2878,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 250.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 117.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2878\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.34 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2879,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 250.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding areas travel Mafengwo\"\nQuery Dwell Time: 80.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2879\nTitle: \"Recommended tourist attractions around Beijing and its suburbs - Mafengwo\"\nSummary: \"Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo, more of the latest travel notes Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2880,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 250.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding areas travel Mafengwo\"\nQuery Dwell Time: 80.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2880\nTitle: \"[Beijing Surrounding Tours] Recommended Tour Routes in Beijing Surrounding Tours - Mafengwo\"\nSummary: \"Recommended tour routes around Beijing, providing guidance on tour routes around Beijing, including one-day tours, two-day tours, three-day tours and other itinerary arrangements for tours around Beijing. The best quality plans for tours, outings and weekend vacations around Beijing.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 36.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2881,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 140.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2881\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2882,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 140.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2882\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.56 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2883,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Wudaokou\"\nQuery Dwell Time: 27.91 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2883\nTitle: \"Wudaokou second-hand ordinary bicycle transfer | Wudaokou second-hand ordinary bicycle quotation] - Beijing 58.com\"\nSummary: \"Close the store to clear the inventory and transfer brand new mountain bikes [13 pictures] Factory direct sales Quality guaranteed Free trial ride 285 yuan to start transfer and processing Buy a bike and get accessories Haidian - Wudaokou \/ 23 hours \/ ordinary merchants 285 yuan The biggest price reduction The price has been reduced, come to the bowl and buy a fixed gear bike...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.83 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2884,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 87.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2884\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.79 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n","usefulness_score":0}
-{"id":2885,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 87.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2885\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2886,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2886\nTitle: \"American Airlines Baggage Rules 2016\"\nSummary: \"Each airline has different limits on the total weight of luggage that an individual can carry. If the weight limit is exceeded, it must be checked in at the airport. On August 14, according to Reuters, Uber was sued by 15 taxi companies in Connecticut, USA...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.09 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2887,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2887\nTitle: \"Baggage regulations and precautions of American airlines | Preparation before traveling to the United States\u2014\u2014Elite Tutoring Network\u2014\u2014\"\nSummary: \"In addition to complying with American Airlines' charges, luggage that transfers to other airlines must also comply with the excess fees and\/or oversized and overweight baggage charges of the relevant airlines. For example: If you check in luggage when departing from Beijing Capital International Airport...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.39 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2888,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2888\nTitle: \"Checked Baggage Policy - Baggage - American Airlines\"\nSummary: \"What else can you bring? You can also check: Restricted items Certain items are only allowed in checked or carry-on baggage. Find out how to pack and bring restricted items. You may also like\u2026 American Airlines Overview\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2889,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2889\nTitle: \"American Airlines Flights, Baggage Check-in and Storage - Travel Q&A\"\nSummary: \"I would like to ask you experts for help, as I was not clear about American Airlines' baggage regulations when I booked the ticket, and later I found out that there are charges. I will take American Airlines AA25 from Salt Lake City to Los Angeles on August 31, and then take CA98 from Los Angeles to Beijing, and then to Shenyang. This...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 152.08 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2890,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2890\nTitle: \"American Airlines baggage check-in problem, as shown in the screenshot below - Mafengwo\"\nSummary: \"The American Airlines flight from EWR to SAN is shown in the picture below. Do I need to buy checked baggage? If so, do I buy it on site or when I pay for the ticket online? I don't see where I can buy it when I choose the ticket. And this...\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2891,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2891\nTitle: \"American Airlines Baggage Regulations and Notes\"\nSummary: \"American Airlines' baggage regulations and related precautions. Baggage size, weight and quantity For passengers flying to the United States, each economy class passenger is usually allowed to carry two pieces of checked baggage for free (each piece of...\"\nRank: 15\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2892,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 230.41 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 224.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2892\nTitle: \"China Quit Smoking Network - Let's quit smoking together on World No Tobacco Day\"\nSummary: \"China Quit Smoking Network provides smokers with methods and products to quit smoking, and teaches everyone how to quit smoking. Let's quit smoking together on Quit Smoking Day.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 124.6 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":2893,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2893\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":0}
-{"id":2894,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2894\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.86 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2895,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2895\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2896,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2896\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.55 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":1}
-{"id":2897,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2897\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2898,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 28.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2898\nTitle: \"Hong Kong version iPhone 6\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone quotation iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.84 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2899,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 171.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2899\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - If you have a friend in Hong Kong, he will buy something for you and bring it back to China without paying taxes. If you are looking for a purchasing agent, then taxes may be charged. You may or may not have to pay taxes when the courier brings it back. Let's take a look at...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.44 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2900,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 171.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2900\nTitle: \"iPhone6 \u200b\u200bHong Kong official website booking guide, how to book iPhone6 \u200b\u200bon Hong Kong official website - Xiao Ni Dou - ...\"\nSummary: \"There are two ways to reserve an iPhone on Apple's official website: one is to submit an application online, and after being selected by lottery, go to the Hong Kong Apple Store to pick up the product and pay in cash (UnionPay payment is supported); the other is to reserve online and pay with an international credit card first...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.61 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":0}
-{"id":2901,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 171.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2901\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"With the iPhone 6 being launched in Hong Kong, China, many Apple fans have already been waiting at the official Apple flagship stores in Hong Kong. Where can iPhone 6 be bought in Hong Kong? How to get there? Let's take a look. 1) IFC Store Address: IFC...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 86.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2902,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6\"\nQuery Dwell Time: 23.82 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2902\nTitle: \"iPhone- Apple\"\nSummary: \"Explore iPhone, the world's most powerful personal device. Check out iPhone X, iPhone 8, and iPhone 8 Plus.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2903,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 59.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2903\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it, and wait until the supply is relatively stable [View Details] There are fewer and fewer reasons to jailbreak iOS 8 official version experience 2014-09-18 After a long time...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2904,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice 2017\"\nQuery Dwell Time: 91.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2904\nTitle: \"What is the approximate price of iPhone 6 in 2017? - ZOL Q&A\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client What is the approximate price of iPhone 6 in 2017? Answers Views What is the approximate price of iPhone 6 in 2017? [Image] Answers Views 5 answers Kakakarmen...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2905,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice 2017\"\nQuery Dwell Time: 91.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2905\nTitle: \"[Apple iPhone 6 Review\u00b7Market Information] Apple iPhone 6 Series Mobile Phone Review\u00b7Market Information - ZOL\"\nSummary: \"November 16, 2017 - Zhongguancun Online News: On June 12, 2017, the iPhone 6 (licensed) was hot-selling on Tmall Mall, priced at 2,488 yuan. The accessories of this phone include battery (built-in), charger, data cable, manual, warranty... [Details...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2906,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice 2017\"\nQuery Dwell Time: 91.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2906\nTitle: \"[Apple iPhone6A1589 16GB Mobile Edition 4G (Gold) Price] How is it? Price...\"\nSummary: \"A1589 vs. other products, which one is better? Apple iPhone 6 A1589 16GB Mobile Edition 4G (Gold) \uffe52349 Instructions for use The above data comes from the Internet, and may differ from the actual parameters and prices of the products. Electronic products are more...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 64.02 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2907,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 140.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 60.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2907\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.18 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":3}
-{"id":2908,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 140.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 30.08 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2908\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.35 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2909,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 70.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 58.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2909\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.59 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n","usefulness_score":1}
-{"id":2910,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2910\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2911,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2911\nTitle: \"Mysterious character in ice-breaking game for new employees during training_Training games_Interactive games\"\nSummary: \"The main purpose of the Mysterious Person game is to encourage new joiners or old and new employees to get to know each other and integrate quickly. Applicable people: new employee training or new and old employee gatherings Game location: classroom, conference room, etc. Game...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2912,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2912\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":2913,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2913\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2914,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2914\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2915,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2915\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2916,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2916\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.81 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2917,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2917\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2918,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2918\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing suburbs tour price Shandong Shanxi Hebei tour price Our agency is a formal registered travel agency. This tour is a pure play tour. There are no shopping attractions throughout the tour to ensure that tourists have enough time to visit. A real operating agency, independent tour, never sell tours...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2919,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2919\nTitle: \"Where to travel in May near Beijing Page 5 - Yue Travel\"\nSummary: \"Will it affect your trip to Xiamen if it rains in May? Hello, even if it rains in Xiamen in May, it will be thunderstorms and will pass quickly. You just need to prepare rain gear, which can block the sun and prevent rain. Thank you and please accept my answer! The weather in Xiamen is relatively good. If it is just thunderstorms...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.41 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2920,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2920\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2921,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 154.1 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2921\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.64 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2922,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 154.1 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2922\nTitle: \"2017 Beijing Surrounding Tourist Attractions List_Beijing Suburban Attractions Recommendations\"\nSummary: \"2017 Beijing surrounding tourist attractions list_Beijing suburban attractions recommendation, we can arrange travel routes for the requirements of corporate teams, according to the customer's car standards, accommodation standards, dining standards, special needs (hot springs, expansion, red, picking...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.21 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2923,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 154.1 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2923\nTitle: \"Overview of tourist attractions around Beijing\"\nSummary: \"Beijing scenic spots and surrounding tourist attractions traffic map Shanghai surrounding free tourist attractions Beijing tourist attractions (24) Beijing tourist attractions (11) Beijing tourist attractions (15) Moxibustion Yintang kills all expensive cosmetics Opium pickles that are addictive once eaten China...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2924,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2924\nTitle: \"What are the main attractions in Beidaihe? _Beidaihe Attractions Introduction\"\nSummary: \"Introduction to Beidaihe attractions: Beidaihe is 15 kilometers southwest of Qinhuangdao City, Hebei Province. It starts from Daihekou in the west and ends at Yingjiaoshi in the east. It is a natural beach. Beidaihe has beautiful scenery, with verdant mountains and the vast sea, exquisite villas and...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.33 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":1}
-{"id":2925,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2925\nTitle: \"Beidaihe Tourist Attractions Introduction\"\nSummary: \"Beidaihe Seaside Scenic Resort is one of the 44 key scenic spots in China. It has the Dove Nest Park in the east, the Lianfeng Mountain Park in the west, and the Eagle Point Pavilion in the northeast corner, which is the best place to watch the sunrise over the sea. It is a famous tourist attraction in Qinhuangdao, with a natural environment...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2926,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2926\nTitle: \"Beidaihe Tourist Attractions\"\nSummary: \"[Details] Beidaihe Popular Attractions: Jifa Ecological Agriculture Sightseeing Park Jifa Ecological Agriculture Sightseeing Park, located in the beautiful summer resort Beidaihe, 500 meters away from the Beidaihe access line of Beijing-Shenyang Expressway, covers an area of \u200b\u200b990 acres and has invested 22 million yuan . go sightseeing...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2927,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2927\nTitle: \"Fun places in Beidaihe, where to have fun in Beidaihe, recommended attractions in Beidaihe - Mafengwo\"\nSummary: \"Before introducing Beidaihe attractions, let's take a look at when is the best time to travel to Beidaihe. You will have different experiences in Beidaihe throughout the year. The peak tourist season in Beidaihe is from the end of June to the end of August every year. At this time, you can go swimming in the sea; watch...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":2928,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions Ticket Prices\"\nQuery Dwell Time: 42.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2928\nTitle: \"2017 Qinhuangdao Beidaihe Attractions Ticket Price List (Latest)\"\nSummary: \"0335-7189559 2017 Qinhuangdao Beidaihe Tourist Attractions Ticket Prices (Qinhuangdao Huaxia International Travel Professional Travel Consultants will provide you with real-time attention and timely updates...) The following prices are for reference only. If there are any changes, please refer to the scenic spot announcement for consultation! Huaxia International Travel is...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2929,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2929\nTitle: \"Beidaihe Tourism_Beidaihe Hotel_Beidaihe Guesthouse_Beidaihe Villa_Dongdaihe Hotel_Dongdaihe...\"\nSummary: \"Beidaihe Tourism Online provides Beidaihe tourism, Beidaihe hotels, Beidaihe guesthouses, Beidaihe villas, Beidaihe family hotels, Dongdaihe hotels and family hotels information consulting services; and undertakes Beidaihe tourism, Beidaihe hotels, Beidaihe...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 56.24 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":1}
-{"id":2930,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2930\nTitle: \"Beidaihe Hotel_Beidaihe Hotel_Beidaihe Accommodation Group Purchase_Beidaihe Hotel Reservation_Beidaihe Hotel...\"\nSummary: \"Beidaihe accommodation group purchase first choice Beidaihe Hotel Accommodation Network, professionally provides Beidaihe hotel reservations and Beidaihe hotel group purchase consultation, collects and organizes Beidaihe hotels, Beidaihe hotels, Beidaihe villas, Beidaihe farmhouses and other Beidaihe seaside accommodation prices,...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2931,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2931\nTitle: \"Beidaihe [Beidaihe Tourism] Beidaihe Liuzhuang Family Hotel Tourism Accommodation Reservation Network\"\nSummary: \"Beidaihe Liuzhuang Family Hotel Reservation Network selects Beidaihe Liuzhuang Family Hotel, with clean and tidy rooms, superior geographical location and reasonable room prices. Please feel free to choose. Each hotel has contact information, please contact the hotel directly.\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.77 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2932,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2932\nTitle: \"Beidaihe Accommodation Booking Network_Beidaihe Linhai Accommodation_Beidaihe Accommodation Group Purchase_Beidaihe Hotel Reservation_...\"\nSummary: \"Beidaihe Tourism Accommodation Network is the main website of Beidaihe Booking Network, specializing in Beidaihe accommodation group purchase and Beidaihe hotel reservation, recommending Beidaihe sanatorium, Beidaihe hotel, Beidaihe villa and other Beidaihe seaside accommodation, authoritatively publishing Beidaihe tourism accommodation...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.71 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2933,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"From Beijing to Beidaihe\"\nQuery Dwell Time: 61.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2933\nTitle: \"[Beijing to Beidaihe train timetable_Beijing to Beidaihe train timetable] - Railway Friends Network\"\nSummary: \"Ctrip.com provides you with the latest Beijing to Beidaihe train timetable, Beijing to Beidaihe train timetable and other comprehensive Beijing to Beidaihe train information, allowing you to travel more easily!\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2934,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"From Beijing to Beidaihe\"\nQuery Dwell Time: 61.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2934\nTitle: \"Travel from Beijing to Beidaihe\"\nSummary: \"Self-driving tour from Beijing to Beidaihe. From Wangjing, go straight to the (East) Fourth Ring Road and get on the Beijing-Shenyang Expressway, or go east from Huawei Bridge on the southeast Third Ring Road of Beijing and get on the Beijing-Shenyang Expressway. Get off the highway at Beidaihe exit, a total of 2.5-3 hours, round-trip toll 250 yuan, round-trip...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.37 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2935,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"From Beijing to Beidaihe\"\nQuery Dwell Time: 61.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2935\nTitle: \"How to get from Beijing to Beidaihe, Transportation Guide from Beijing to Beidaihe - Mafengwo\"\nSummary: \"Beidaihe has always been famous for its famous seaside resort. It is also the closest sea to Beijing. So how to get to Beidaihe from Beijing? Self-driving, high-speed rail, train, which mode of transportation is more convenient? Go directly from Wangjing to the (East) Fourth Ring Road...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2936,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 137.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2936\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"Address: Beijing Haidian District Phone No, I will add Category: Shops Transportation Guide Feige Bicycle Tsinghua West Gate Bus Station Nearby: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.75 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2937,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 137.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2937\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2938,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 137.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2938\nTitle: \"[Beijing Agui Bicycle Store Qinghua East Road Branch] Beijing Agui Bicycle Store Qinghua East Road...\"\nSummary: \"The bus stops near Beijing Agui Bicycle Store Qinghua East Road Branch: Xueyuan Road North Exit, Chengfu Road West, Liudaokou Station, Liudaokou, Beijing University of Science and Technology North Gate, China Agricultural University East Campus, Chengfu Road South, Beijing Language and Culture University, Jingshuyuan,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.54 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":2939,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 59.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2939\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Selling a Giant ATX SE (taotao) Selling a Giant 2018XTC800 (automatic) Looking for a used women's bicycle (molly) Shenzhen Meilida Mountain Bike Duke 650 Cheap Sale (Xiaohei) \u00a9 2005-2017 douban.com, all ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":2940,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 59.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2940\nTitle: \"Yangquan Bicycles | Yangquan Bicycle Sales | Yangquan Bicycle Trading - Yangquan Cool Search\"\nSummary: \"Tsinghua University mountain bike, other bicycles for sale, Jema mountain bike, 18-speed transmission, sensitive speed change, front shock absorber, sensitive brake, solid frame, good tires, easy to ride, no problems, Beijing - Haidian - Tsinghua University mountain bike, Jema...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.04 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2941,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2941\nTitle: \"\u3010Fixed Gear Bicycle\u3011Fixed Gear Bicycle Price_Fixed Gear Bicycle Wholesale - SouLeWang\"\nSummary: \"If you are looking for fixed gear bicycles, please visit the fixed gear bicycle channel of SouLe.com. Here we provide a large number of fixed gear bicycle supplies, fixed gear bicycle wholesale, fixed gear bicycle dealers and manufacturer information, and provide you with the latest and most comprehensive fixed gear bicycle price reference and online negotiation...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.37 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":2}
-{"id":2942,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2942\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.96 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2943,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2943\nTitle: \"\u3010Buy a fixed gear bike\u3011 - Musical instruments\/sports - China People's Network\"\nSummary: \"The Chinese Musical Instruments\/Sports category of Baixing.com has collected the latest and most complete information on buying fixed gear bicycles for you to view. At the same time, you can also post information on buying fixed gear bicycles for free on Baixing.com. The best local musical instruments\/sports information is in the Musical Instruments\/Sports category of Baixing.com...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 40.04 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":2944,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2944\nTitle: \"I'm a newbie, I want to buy a fixed gear bike, I don't know how to do it, please recommend it to me - Sports - Jiangyin...\"\nSummary: \"I am a novice, I want to buy a fixed gear bike, I don't know, please recommend, where can I buy it? I am a novice, I want to buy a fixed gear bike, I don't know, please recommend, Jiyang Community\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":2945,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2945\nTitle: \"[Buying a fixed gear bike] Asking for advice! What are fixed gear bikes like? \u2014 Ask the Knowledge\"\nSummary: \"[Buying a fixed gear bike] Asking for advice! How good are fixed gear bikes? They are still OK as a means of transportation, but some cities prohibit fixed gear bikes from being used on the road\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.98 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2946,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2946\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":2947,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 276.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2947\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 188.15 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n","usefulness_score":3}
-{"id":2948,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 276.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2948\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Date (subject to the flight date) II. Scope of application 1. This preferential policy applies to baggage transportation segments (including sixth freedom rights transportation) that are subject to Air China's free baggage allowance rules according to IATA Resolution 302 \"Baggage Rules Selection Method\", i.e....\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2949,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 276.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2949\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.1 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":3}
-{"id":2950,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 76.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2950\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2951,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much liquid can you bring in carry-on luggage on international flights?\"\nQuery Dwell Time: 102.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2951\nTitle: \"How much luggage can you bring on a plane? How much luggage can you bring on a plane? How much liquid can you bring on a plane?\"\nSummary: \"First class is 40kg. If you are taking an international flight, the total weight of your hand luggage is 7kg (some airlines have special... For first class and business class passengers, each person can check in two pieces of luggage for free, and the volume of each piece of luggage (three...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.98 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":2952,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much liquid can you bring in carry-on luggage on international flights?\"\nQuery Dwell Time: 102.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2952\nTitle: \"How many bottles of liquor can I bring on an international flight (in the luggage compartment)? - _New Knowledge Information...\"\nSummary: \"\u2474. Taking domestic flights: The total weight of the passenger's hand luggage should not exceed 5 kg, and the volume of each piece of luggage should not exceed... Taking a flight... Wrenches and the like are not allowed;... How many milliliters of liquid can be brought in checked luggage on an airplane? ... International and regional flights...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.3 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2953,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much liquid can you bring in carry-on luggage on international flights?\"\nQuery Dwell Time: 102.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2953\nTitle: \"How to buy checked baggage and what is the limit on the amount of liquids you can bring on board - Mafengwo\"\nSummary: \"@M: Can I bring 100ml of each item I want to bring? I am most afraid that I will have to throw it away, and the things I need to use will be taken abroad... We have set limits on the amount of liquids, aerosols and gels (LAGs) that passengers on international flights can carry in their hand luggage. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2954,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 42.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2954\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":2955,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 42.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2955\nTitle: \"8 benefits men can get after quitting smoking_Male Channel_Wenkang Information Network\"\nSummary: \"If a man smokes frequently, he will have bad breath and his lungs will be greatly damaged. If he does not quit smoking, his addiction will become more and more serious and his health will be in danger. So we can only tell you the benefits of quitting smoking so that you will have the motivation to quit smoking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.14 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":3}
-{"id":2956,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 124.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2956\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.31 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2957,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 124.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2957\nTitle: \"US Food and Drug Administration: Pay close attention to side effects when using smoking cessation drugs - Sohu Health\"\nSummary: \"Recently, the U.S. Food and Drug Administration (FDA) issued a safety warning that the smoking cessation drug varenicline (trade name: Chantix) may cause some serious mental illnesses and even suicide, and \"this possibility is increasing...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":2958,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 124.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2958\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":2959,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 90.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2959\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.67 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":2960,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 90.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2960\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"The most scientific way to quit smoking 2017-10-09 The best way to quit smoking with Chinese medicine 2017-10-09 The correct way to quit smoking 2017-10-09 How to quit smoking most effectively 2017-10-09 How to quit smoking 2017-10-09 How to quit smoking quickly 2017-10...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.38 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":2961,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 90.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2961\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The best way to quit smoking 10 ways to help you quit smoking Reminder: The ten best ways to quit smoking Zhejiang Foreign Service International held the \"Internet + Foreign Trade\" talent training project Restarted the \"Daoxiang Cup\" selection after 11 years Accelerate the end of the history of \"no good rice in Shu\" This mutual...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.73 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":0}
-{"id":2962,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2962\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.52 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":2963,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2963\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.93 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2964,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2964\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.13 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":2965,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2965\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.76 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":2966,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2966\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.4 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":2967,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2967\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.89 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2968,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2968\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2969,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2969\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 105.72 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2970,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 55.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2970\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":2971,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 55.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2971\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.49 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":3}
-{"id":2972,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 60.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2972\nTitle: \"Google Glass user experience: too flashy, limited use cases - Sohu News\"\nSummary: \"May 6, 2014 -Using Google Glass means being prepared to be watched at any time. On a more pessimistic note, although it is relatively rare, cases of people getting into trouble because of using Google Glass have occasionally appeared in the newspapers. However, since the author wants to...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.43 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n","usefulness_score":2}
-{"id":2973,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 113.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2973\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.14 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n","usefulness_score":1}
-{"id":2974,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 113.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2974\nTitle: \"\u3010Apple iPhone 6 Series\u3011Price_\uff08Apple\uff09Apple iPhone 6 Series Mobile Phones...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.23 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":3}
-{"id":2975,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2975\nTitle: \"Hong Kong Apple iPhone 6 32GB Price_Latest Hong Kong Apple iPhone 6 32GB Price [Quote |...\"\nSummary: \"Pconline provides the latest quotes for Hong Kong Apple iPhone 6 32GB, including the historical prices of Hong Kong Apple iPhone 6 32GB, and also provides the lowest quotes from Hong Kong Apple iPhone 6 32GB dealers, so that you can know the lowest prices in time and let you know Hong Kong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.4 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":2976,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2976\nTitle: \"Hong Kong Apple iPhone 6 32GB Price_Latest Hong Kong Apple iPhone 6 32GB Price [Quote |...\"\nSummary: \"Pconline provides the latest quotes for Hong Kong Apple iPhone 6 32GB, including the historical prices of Hong Kong Apple iPhone 6 32GB, and also provides the lowest quotes from Hong Kong Apple iPhone 6 32GB dealers, so that you can know the lowest prices in time and let you know Hong Kong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.4 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n","usefulness_score":1}
-{"id":2977,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2977\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"iPhone6 \u200b\u200bprice in China is more than 800 yuan higher than in Hong Kong. Apple fans in China are finally waiting for the new iPhone to be launched. It is reported that the Ministry of Industry and Information Technology has confirmed that it has issued an online license for iPhone6. The new iPhone will be launched in China on October 17. iPhone6......\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2978,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2978\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"iPhone6 \u200b\u200bprice in China is more than 800 yuan higher than in Hong Kong. Apple fans in China are finally waiting for the new iPhone to be launched. It is reported that the Ministry of Industry and Information Technology has confirmed that it has issued an online license for iPhone6. The new iPhone will be launched in China on October 17. iPhone6......\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2979,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2979\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 970 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2980,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2980\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 970 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":2981,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2981\nTitle: \"iPhone 6 16G price in Hong Kong stores! - Mafengwo\"\nSummary: \"Mafengwo Q&A > Price of iPhone 6 16G in Hong Kong stores! What is the current price of iPhone 6 16G in stores? 2. It is said that mobile phone screen protectors are not provided when buying mobile phones in stores? How much does it cost to apply screen protectors there? 820 views 0 people follow Follow Answer 3...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2982,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2982\nTitle: \"iPhone 6 16G price in Hong Kong stores! - Mafengwo\"\nSummary: \"Mafengwo Q&A > Price of iPhone 6 16G in Hong Kong stores! What is the current price of iPhone 6 16G in stores? 2. It is said that mobile phone screen protectors are not provided when buying mobile phones in stores? How much does it cost to apply screen protectors there? 820 views 0 people follow Follow Answer 3...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":2983,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2983\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong? - Home Decoration Interactive Q&A\"\nSummary: \"The above prices are from the Internet and are for reference only. The price of Apple iPhone 6 in Hong Kong is currently 3899 yuan. This is the most \"conservative\" design among the iPhone 6 designs, but this does not mean that the design does not have its own unique features. It is reported that this...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2984,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2984\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong? - Home Decoration Interactive Q&A\"\nSummary: \"The above prices are from the Internet and are for reference only. The price of Apple iPhone 6 in Hong Kong is currently 3899 yuan. This is the most \"conservative\" design among the iPhone 6 designs, but this does not mean that the design does not have its own unique features. It is reported that this...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2985,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2985\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators - Portable\/Mobile Products - Electronic Engineering World...\"\nSummary: \"September 11, 2014 - Apple iPhone 6 supports 4G networks of the three major domestic operators Source: Sina Mobile Keywords: Apple Apple Watch 4G Share to Beijing time on September 10 early morning news, Apple in Cupertino, California, the United States Flynn...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.18 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":1}
-{"id":2986,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2986\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":1}
-{"id":2987,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2987\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks_NetEase Technology\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.55 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n","usefulness_score":2}
-{"id":2988,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2988\nTitle: \"Does the Hong Kong version of iPhonese support the three mainland operators? - ZEALER Community\"\nSummary: \"ZEALER The first stop for technology life Collection Edit Delete Featured Pin Share to | All Hong Kong mobile phones do not support Telecom Like Reply Delete Lifestyle of young people\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":2989,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports China Unicom\"\nQuery Dwell Time: 118.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2989\nTitle: \"Telecom is a pity that the Hong Kong version of iPhone6 \u200b\u200bnetwork support is tested_Page 1_Jiangsu Telecom package network distribution...\"\nSummary: \"The chances of iPhone 6 and iPhone 6 Plus being unlocked are very high. Before the official version went on sale, we got the Hong Kong version of iPhone 6 (model A1586). The official website data shows that the unlocked version of the Hong Kong version of iPhone 6 for public sale can support 2G\/3G of China Unicom, China Mobile and China Telecom...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 86.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":2990,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 118.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2990\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":2991,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 118.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2991\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":2992,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2992\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"Luohu... Things to note when letting friends buy iPhone 6 from Hong Kong and bring it back to the mainland... 1. Apple Hong Kong needs to book a place on its official website, and then go to the designated Apple Re... Bringing an iPhone 6 bought in Hong Kong back to the mainland will... But it is bulging... How to bring an iPhone 6 bought in Hong Kong through customs... Method 1: Shenzhen Luohu Customs and Futian Port...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.45 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":2993,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2993\nTitle: \"Can I buy an iPhone 6 from Hong Kong and bring it back on October 16th? - Mafengwo\"\nSummary: \"Can I buy an iPhone 6 from Hong Kong and bring it back on October 16? On the 16th of this month, I want to buy two iPhone 6s from Hong Kong and bring them back. No packaging or receipts are required. Can I bring them back? 9652 views 0 people follow Follow Answer 8 answers [The questioner accepts] ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.86 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":2}
-{"id":2994,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2994\nTitle: \"I will be going to Hong Kong on October 24th and want to bring two iPhone 6s back. Please advise on how to buy them and what to pay attention to. - Asia...\"\nSummary: \"Where are you from? I will go to Hong Kong on the 28th and return to Hebei on the evening of the 30th. I want to ask if the store is open for sale now. I want to buy an iPhone 6 Plus 16G. Reply to Yating: Guangzhou. Reply to Yating: Make an appointment online at 8 o'clock every morning. The appointment is successful (need to use...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":2995,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2995\nTitle: \"I went to Hong Kong this time and bought 3 iPhone 6s, all for my own use. How do I get rid of the 2 old iPhone 5s and 3 new iPhone 6s?\"\nSummary: \"This time I took Hong Kong Airlines to Tianjin. Will my husband and I be checked for carrying two phones during the security check in Hong Kong? My husband and I both have our own iPhone 5s. We are going to buy a Crazy 6 for each of us and one for my mother-in-law. That will make 5 phones. We are ready to...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.74 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":1}
-{"id":2996,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Swimming Pool Tsinghua University\"\nQuery Dwell Time: 97.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2996\nTitle: \"Tsinghua Natatorium successfully completed the training service and support mission for the \"Good Luck Beijing\" China Water Polo Open\"\nSummary: \"[News Center News Photo by Guo Haijun] On the afternoon of March 23, Tsinghua University Natatorium successfully completed the training service support mission for the \"Good Luck Beijing\" 2008 China Water Polo Open. From March 15 to 23, the Natatorium received the American women's team and the Australian women's team...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.04 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":1}
-{"id":2997,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Swimming Pool Tsinghua University\"\nQuery Dwell Time: 97.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2997\nTitle: \"Tsinghua University Swimming Pool Tour (Photo)_Tsinghua University Swimming Pool 1_Tuniu\"\nSummary: \"Tsinghua University Swimming Pool Travel Pictures, Tsinghua University Swimming Pool 1, click to view more wonderful pictures shared by netizens. If you want to travel, find Tuniu! Tuniu.com\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.43 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":0}
-{"id":2998,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2998\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.78 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":1}
-{"id":2999,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2999\nTitle: \"Chen Chen 165's comments on how good Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is -...\"\nSummary: \"Official identity reply to user comments The response content should be greater than 0 and less than 500 characters! Cancel Address: No. 30 Shuangqing Road, Haidian District, opposite the East Campus of Tsinghua University Phone: 010-62792475 Category: Wudaokou Chenchen165's other comments\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.6 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":3000,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3000\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Phone Address_Business Hours - Beijing Meituan.com\"\nSummary: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool), Chen Ming Swimming Pool (Tsinghua University Swimming Pool) phone number, address, business hours\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":3001,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3001\nTitle: \"Tsinghua University Chen Ming Swimming Pool Group Buying Network, Tsinghua University Chen Ming Swimming Pool Group Buying List - Group 800 North...\"\nSummary: \"Tuan800 Beijing Station provides you with the complete list of group purchases for Tsinghua University Chen Ming Swimming Pool and information on group purchases for Tsinghua University Chen Ming Swimming Pool, as well as comments, pictures, group experiences and other content about Tsinghua University Chen Ming Swimming Pool.\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.88 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":0}
-{"id":3002,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3002\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.15 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":2}
-{"id":3003,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Card\"\nQuery Dwell Time: 73.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3003\nTitle: \"[Transfer] Tsinghua Chen Ming Swimming Pool Swimming Card Love Swimming Love Life Shuimu Community\"\nSummary: \"Looking for students to create with each other (Beijing) How to identify the authenticity of imported Botox face-lifting injections? [Live broadcast expert\/net... University of Antwerp in Belgium recruits master's students (posting on behalf of others) qiuzhizhe Re: [News] Indonesian female bomber sentenced, suspected of...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":3004,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Card\"\nQuery Dwell Time: 73.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3004\nTitle: \"Tsinghua University Chen Ming Swimming Pool Single Ticket | Meituan.com Beijing Station\"\nSummary: \"The original price is 18 yuan for a single ticket to Tsinghua University Chen Ming Natatorium, and you can enjoy a 1~1.5 hour relaxation and coolness. Tsinghua University is a century-old institution and an Olympic training venue. Let the water wash away your stress and worries, and experience the relaxed feeling of floating on the water~ Original price Discount...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":3005,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Card\"\nQuery Dwell Time: 73.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3005\nTitle: \"Tsinghua University Chen Ming Swimming Pool Faculty Card for Sale Sarah Shuimu Community\"\nSummary: \"[upload=1][\/upload] The card has 30 times in total and 15 times are unused. It is sold for 100 yuan. Note: You need to bring your Tsinghua faculty ID to go swimming. If you need it, please contact us on the site\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":3006,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 137.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 3006\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.58 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":1}
-{"id":3007,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 137.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 3007\nTitle: \"What's the news about Liaoning? - Navy Edition - Super Base Military Forum - The most influential military forum -\"\nSummary: \"There were a lot of hot news in the past few days, but why has it stopped recently? Did the person who released the news go out for tea... or will there be a climax in a few days! What's the news about the Liaoning? - Navy Edition - \u2261 Super Military Zone \u2261 - Super Base Camp Military Forum\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.99 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n","usefulness_score":0}
-{"id":3008,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 137.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 3008\nTitle: \"Comments: Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service\"\nSummary: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service [View original]\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.06 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":0}
-{"id":3009,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3009\nTitle: \"Liaoning aircraft carrier latest news_video online viewing - 56.com\"\nSummary: \"Liaoning Ship Latest News - Liaoning Ship Latest News, Liaoning Ship Latest News, Album Latest News Hot News China-Russia military exercise is about to open. Officers and soldiers of both sides boarded the ship to visit the Liaoning Ship J-15 carrier-based aircraft formation training MV \"Flying Shark\" Liaoning Ship carrier-based aircraft formation training...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.1 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":3010,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3010\nTitle: \"The US exposed the important information of China's aircraft carrier, and the shocking inside story of Liaoning was leaked - Xilu Eastern Military - Xilu.com\"\nSummary: \"The report said that the details revealed by the \"Liaoning\" helped explain the most important \"military revolution\" of the Chinese military in the past decades... It is the most basic condition for the Chinese Navy to move from near sea to ocean. The commissioning of the aircraft carrier should be a day of joy for all Chinese people...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 54.93 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":3011,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3011\nTitle: \"Liaoning aircraft carrier is about to sail_China Shipbuilding (600150) Stock Forum_Eastern Fortune Network Stock Forum\"\nSummary: \"According to the latest news, the Liaoning aircraft carrier will set sail on November 11, and the sailing warning is the same as the previous sea trials. November 11 is the so-called \"Singles' Day\", and some netizens joked that the Liaoning aircraft carrier should choose this day to sail.\"\nRank: 18\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.51 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":3012,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3012\nTitle: \"Yibo: #ChineseAircraftCarrier# Liaoning Ship Information\"\nSummary: \"Yibo: #\u4e2d\u56fd\u822a\u7a7a\u764c# Liaoning ship information Tencent Weibo, instead of looking up elsewhere, it is better to stand shoulder to shoulder here\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":3013,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Ship Captain Capacity Tonnage\"\nQuery Dwell Time: 49.72 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3013\nTitle: \"Official media released photos of the captain and political commissar of the Chinese aircraft carrier Liaoning for the first time_NetEase Military\"\nSummary: \"September 25, 2012 - Zhang Zheng, the captain of China's first aircraft carrier \"Liaoning\", was born in Changxing, Zhejiang in 1969. He is a naval colonel and has a postgraduate degree. Mei Wen, the political commissar of China's first aircraft carrier \"Liaoning\", was born in 1965...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.51 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":0}
-{"id":3014,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 108.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3014\nTitle: \"China's military strength from the perspective of the Liaoning aircraft carrier\"\nSummary: \"Wars are fought with real weapons, and verbal battles are useless. The origin of the Liaoning aircraft carrier is needless to say. After many twists and turns, a small-tonnage retired aircraft carrier that was originally only sold as scrap metal finally came to our country. Repair it, tidy it up...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 23.83 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":1}
-{"id":3015,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 108.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3015\nTitle: \"ZT. The most detailed and credible history of the Liaoning ship written by the great god pop3 The rebirth of the Liaoning ship (Part 1)\"\nSummary: \"It has an oblique flight deck and an island superstructure. The carrier-based aircraft are mainly Su-33, MiG-29, Ka-2...,ZT. The most detailed and credible history of the Liaoning ship written by the real god pop3. The Nirvana of the \"Liaoning\" ship (I) - Navy version - \u2261 Super Military Zone \u2261 - Super Base Camp Military...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.54 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":3016,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 108.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3016\nTitle: \"Boarding the aircraft carrier Liaoning\"\nSummary: \"Some military fans also know the history of the development of aircraft carriers in the world, the ranking of the Liaoning, its characteristics and the story of its construction. The next day, we boarded a military vehicle at the designated location and passed through the busy city of the seaport, bypassed hills, and crossed the river network...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":3017,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 62.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3017\nTitle: \"Comment: Liaoning aircraft carrier has two disadvantages and its combat capability is far inferior to that of French aircraft carrier\"\nSummary: \"Russia's disclosure of military secrets will pose a threat to the United States. If others don't give Pakistan the equipment it wants, we can deliver it to its door. Why is the US F22 no match for the Chinese J-20? Is China's first domestically-produced aircraft carrier about to begin sea trials? Has the US military gradually lost its advantage? Germany...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":0}
-{"id":3018,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 62.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3018\nTitle: \"Advantages and disadvantages of the J-15 as a carrier-based aircraft, - Navy Edition - Super Base Military Forum - The most influential...\"\nSummary: \"The advantage is great, but the disadvantage is... I am not happy without a catapult. The most influential military forum - Super Base Military Forum welcomes you! The advantage is great. The advantage is great, but the disadvantage is... I am not happy without a catapult. The most influential military forum - Super Base Military Forum welcomes you! The advantage is great. Now there is no catapult, and the opponent is equipped with...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 19.96 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":3}
-{"id":3019,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 62.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3019\nTitle: \"my country's Type 002 aircraft carrier will have a displacement of 80,000 tons, with both advantages and disadvantages being very obvious\"\nSummary: \"Japan said that the Izumo had no difficulty in confronting the Liaoning. Russian experts... 7 incredible super ships, the largest displacement of 82... A ship with a displacement of 800,000 tons is 12 times larger than an aircraft carrier and can be used... 3 days and 30,000 yuan of lecture notes. See through 29 scams and don't be fooled. Ten...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n","usefulness_score":0}
-{"id":3020,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 92.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3020\nTitle: \"Foreign reports say Liaoning aircraft carrier participates in South China Sea exercises to reverse deterrence disadvantages - Youfu.com\"\nSummary: \"Xu Guangyu analyzed that although the Chinese Navy has three fleets in the North Sea, East China Sea and South China Sea, the Liaoning does not belong to any fleet but is directly controlled and commanded by the central government. Therefore, it needs to be familiar with the different conditions in the three sea areas in order to maintain its position in the future...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.96 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":2}
-{"id":3021,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 92.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3021\nTitle: \"Liaoning has been in service for four years, but has not yet formed combat effectiveness. Why is that? Shenjun.com - Military Observation Room...\"\nSummary: \"Before the Liaoning officially entered service, there were three candidates for the captain, Bai Yaoping, Zhang Zheng, and Li Xiaoyan. At that time, Bai Yaoping was very popular. Bai Yaoping was the first generation of excellent pilots and captains in the Chinese Navy who could fly planes in the sky and operate ships in the sea! He was very...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":3022,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3022\nTitle: \"Zheng Hao: The successful take-off and landing of the J-15 on the Liaoning has three strategic significances _Satellite Channel_Phoenix.com\"\nSummary: \"November 26, 2012 - This has extremely important strategic significance, mainly for the following reasons. The first is that it marks that the \"Liaoning\" has taken a substantial step forward in the hunting suit, and in scientific research, especially in the fighter jets independently developed in China...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 48.88 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n","usefulness_score":3}
-{"id":3023,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3023\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercise has multiple strategic significance and demonstrates its defense capability - China News Service\"\nSummary: \"December 29, 2016 - It was reported that the Liaoning, the first and only aircraft carrier of mainland China, was recently spotted leading several other warships of the country on patrol near the coasts of Taiwan and Japan. Chinese military experts said that the Liaoning's trip was a response to the United States' long-standing...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n","usefulness_score":3}
-{"id":3024,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3024\nTitle: \"What role does the Liaoning play for Japan? Netizens: Continue to strengthen the navy_Military_Global Network\"\nSummary: \"July 22, 2015 - Japan said that it would take at least ten years for China to build an aircraft carrier battle group like the United States, leaving Japan with only ten years to crack the strategy and tactics of China's aircraft carrier battle group. How much effect can the Liaoning aircraft carrier have on Japan? ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":2}
-{"id":3025,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3025\nTitle: \"Representative: The overall performance of the domestically-made aircraft carrier is much better than that of the Liaoning\"\nSummary: \"March 8, 2017 - Reporter: Not long ago, the Chinese Navy's first aircraft carrier Liaoning formed a formation with several destroyers and frigates, carrying several J-15 carrier-based fighters and various types of carrier-based helicopters to conduct cross-sea training tests to test the quality and performance of naval equipment...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":1}
-{"id":3026,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3026\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercises have multiple strategic significances\"\nSummary: \"The Chinese Navy's strategy keeps pace with the times and is developing towards a \"far sea defense\" strategy that expands its activities to the Pacific Ocean. According to reports, with China's rapid economic growth, in addition to expanding its maritime rights and interests in resource development, it must also...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.3 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n","usefulness_score":2}
-{"id":3027,"context":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 66.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 50.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3027\nTitle: \"Team games, icebreaker games, office games\"\nSummary: \"[Ice-breaking game] Name game How to play: The team members sit in a circle, nominate a student to introduce their work unit and name, the second student takes turns to introduce, but must say: I am *** after ***, the third student says: I am * after ***...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":3028,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 121.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Beijing Tour\"\nQuery Dwell Time: 108.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3028\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and the capital has its own prosperous scenery. In the mountains outside Beijing, there are beautiful roads where everything grows in spring. Although they are artificially dug, they overlap with the surrounding mountains and the romance of growing plants and trees...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.92 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":3029,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 121.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Beijing Tour\"\nQuery Dwell Time: 108.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3029\nTitle: \"Where to go in Beijing during the May Day holiday?\"\nSummary: \"Where to go around Beijing on May Day? Check out the best places to visit in Beijing on May Day http:\/\/tuan.cctcct.com\/China\/ http:\/\/dou....Beijing Shunyi District May Day travel activities: 2015 Beijing Tulip Festival Event time: April 13 to May 10 Event location:...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":3030,"context":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 121.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Beijing Tour\"\nQuery Dwell Time: 108.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3030\nTitle: \"Where to go for a tour around Beijing in May_Recommended places for a tour around Beijing in May_Beijing Week in May...\"\nSummary: \"The most recommended destinations for Beijing tours in May, the most humane travel experiences, and the best travel guides are all on Letu Travel Network. Letu Travel Network collects the most fashionable travel inspirations from thousands of inspirational travelers, and uses original interest-inspired...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.11 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":3031,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 106.47 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 30.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3031\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-30 \/ General Merchant 159 RMB Very beautiful, solid, good for riding bicycles, low price transfer, red, suitable for both boys and girls... Fixed Gear Bicycles, Road Bicycles... Haidian - Beihang University \/ 11-22 \/ General Merchant 160 RMB 140 RMB for sale, folding bikes,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":0}
-{"id":3032,"context":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 106.47 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Store\"\nQuery Dwell Time: 39.04 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3032\nTitle: \"Beijing Bicycles | Beijing Bicycle Sales | Beijing Bicycle Trading - Beijing Kuyisou\"\nSummary: \"Tsinghua University mountain bike, other bicycles Transfer Jiema mountain bike, 18-speed transmission, sensitive speed change, front shock absorber, brake... Wanghailou Street mountain bike, Giant Trek 3700, American brand, bought in a specialty store. I spent 2798 yuan at the time and bought it...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":3033,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3033\nTitle: \"What size luggage can be carried on international flights? - Mafengwo\"\nSummary: \"The author of the post, generally speaking, airlines limit the size of carry-on luggage. If you check in your luggage, even if it is oversized, you can still check it in as long as you pay the extra fee! For travel, a 28-inch checked bag and a carry-on bag are basically enough! And even if it is too big, it will be a hassle to drag...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 37.07 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":3034,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3034\nTitle: \"What do you think are the requirements for luggage size on domestic and international flights? - Bulldog Bar - Bulldog Club...\"\nSummary: \"International flights: Generally, the size of each piece of luggage should not exceed 20*40*55 cm, and the total weight of carry-on luggage should not exceed 7 kg. (However, each airline has special weight restrictions, so please pay attention to the tips on the ticket or consult the airline) ...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":0}
-{"id":3035,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions on liquids\"\nQuery Dwell Time: 81.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3035\nTitle: \"[Liquids Carried on Airplanes] What are the requirements for carrying liquids in airplane luggage? \u2014 Ask Knowledge\"\nSummary: \"[Liquids Carried on Airplanes] Are there any requirements for liquids carried on airplane luggage? There are no special requirements for liquids in checked luggage, as long as they are not dangerous goods or prohibited items. For carry-on items, a single 100ml bottle is calculated based on the bottle's nominal value, not the remaining liquid.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":3}
-{"id":3036,"context":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions on liquids\"\nQuery Dwell Time: 81.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3036\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n","usefulness_score":3}
-{"id":3037,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 52.04 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 19.57 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3037\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.38 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n","usefulness_score":3}
-{"id":3038,"context":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 52.04 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 17.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3038\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.7 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n","usefulness_score":3}
-{"id":3039,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 32.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3039\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us the actual use of Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located on the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.4 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n","usefulness_score":2}
-{"id":3040,"context":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 33.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3040\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.1 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
-{"id":3041,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 122.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 41.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3041\nTitle: \"Hong Kong Apple official website has given the price of Hong Kong version iPhone6 \u200b\u200b(large... From Aiyamakaka's Xiaoshen...\"\nSummary: \"The Hong Kong Apple official website has given the price of the Hong Kong version of iPhone 6 (see this screenshot). The price of the 4.7-inch 16G Hong Kong version iPhone 6 is 5588 Hong Kong dollars, which is equivalent to about RMB 4424. The price of the 5.5-inch 16G Hong Kong version iPhone 6 is 6388 Hong Kong dollars, which is equivalent to RMB...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":2}
-{"id":3042,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 122.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need to pay customs duties?\"\nQuery Dwell Time: 32.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3042\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.28 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n","usefulness_score":2}
-{"id":3043,"context":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 122.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 16.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3043\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":3044,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 128.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 45.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3044\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.33 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n","usefulness_score":0}
-{"id":3045,"context":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 128.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 50.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3045\nTitle: \"Chenming Swimming Pool_Price per person_Business hours_Telephone address-Meituan.com\"\nSummary: \"Meituan.com provides Beijing Chen Ming Swimming Pool, 2018 signature features, the latest group purchase discounts, per capita consumption prices, business hours... Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch)\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n","usefulness_score":3}
-{"id":3046,"context":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 75.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 66.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3046\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.62 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n","usefulness_score":3}
+[
+  {
+    "id":1,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Introduction: Generally, the game books we buy will classify the games. Then I will find roughly related games in the classification according to the needs of the course and choose them as team icebreaker games for employee training. The following is a collection of recent graduates...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2\nTitle: \"15 Games to Use During Employee Training\"\nSummary: \"Inserting games into training can be entertaining, experiential, participatory, lively, and ice-breaking, etc. However, you need to have a certain amount of time to control the game each time you play it, so it is suitable to play it in your leisure time.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3\nTitle: \"Team Building - Ice Breaking Games - MBA Think Tank Documentation\"\nSummary: \"So I won't mind it as much as before. Tips: Number of participants: 5-10 people in a group Time: 3-5 minutes Materials: Use... A 2-5 day training can teach complex icebreaker games, and a quick exercise of a few minutes is suitable for a course of less than one day. ...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":4,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 4\nTitle: \"Classic ice-breaking games before the training session (simple and easy to operate)_Trainer Community Official Account Latest...\"\nSummary: \"09-10 Collection It has been a while since I shared articles about training games with you. I often receive questions from friends about \"breaking the ice\"... 2. Participants can automatically design actions to expand participation. Finger exchange - develop the brain, refresh the mind Game purpose...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":5,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 5\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"A complete collection of indoor and outdoor group training games for icebreakers 1. Bundling to pass - (Applicable: team collaboration) Brief description: By being tied... Minimum ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":6,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training. An icebreaker game involving about ten people.\"\nQuery Dwell Time: 34.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 6\nTitle: \"\u300aSelected commonly used mini-games for training to warm up, open and break the ice\u300b\"\nSummary: \"How to play: \uf0b2 The instructor divides the students into groups, with about 10 people in each group. \uf0b2 Explain the rules of the game. \uf0b2 Start the game. \uf0d8 Notes: \uf0b2 This game is suitable for training classes where students are not familiar with each other. \uf0b2 As time goes by, it is easier to forget. The trainer can appropriately...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":7,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 7\nTitle: \"Travel\u4e28Beijing short-term travel attractions recommended list\"\nSummary: \"There are many old Beijing snack shops around the Temple of Heaven Park. Sanyuan Cold Drink Shop has the most authentic \"Palace Cheese\"; the neighboring Dalan Huoshao has many authentic snacks, such as Dalan Huoshao, Ma Tofu, Fried Sausage, Mustard Dun, Crispy Crucian Carp, etc.; there is also the old Beijing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":8,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 8\nTitle: \"Special travel | Short-term travel around Beijing | Baiyangdian Lotus Lake | Related recommendations from Beijing to Baiyangdian_...\"\nSummary: \"Beijing Nanshan Ski Resort, 5 km south of Miyun County, Beijing... Time and money are the two biggest problems when traveling. Time can be squeezed out, but what about money? This may be a problem that every friend like me who has no money and no time is worried about. \u2014...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":9,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 9\nTitle: \"\u3010Holiday near Beijing\u3011Short-term vacation\/Where can I go short-term near Beijing after September 20th?\"\nSummary: \"\u3010Vacation near Beijing\u3011Short-term vacation\/Where can I stay for a short vacation near Beijing after September 20th? Suburban... There are many black cars pretending to be distribution centers in the Qianmen area and around the distribution center. #\u5317\u4eac\u5ea6\u5047\u5ea6\u5047\u65f6\u5c1a\u9152\u5e97\uff08\u5317\u4eac...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":10,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 10\nTitle: \"[Recommended recent travel routes around Beijing] Beijing North First Grassland Exclusive Self-driving Two-Day Tour Manor Edition...\"\nSummary: \"Shandong, Shanxi, Hebei travel quotes Beijing surrounding suburbs travel quotes Route provider: Beijing Shenzhou International Travel Agency Release time: [Sanya round-trip round-trip flight around the sea 5 days] Warm gifts: golf practice, 2 bottles of mineral water per day, yacht out to sea...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":11,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Short-term Tour\"\nQuery Dwell Time: 111.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 11\nTitle: \"7 must-visit places for self-driving tours around Beijing in 2016\"\nSummary: \"YJBYS editor has compiled 7 must-go places for self-driving tours around Beijing in 2016. Welcome to browse! Seven must-go places for self-driving tours around Beijing 1. Gubei Water Town in the north Why go to Venice, there is also a water town here. Small bridges, flowing water and people...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":12,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Short-term Vacation Guide\"\nQuery Dwell Time: 91.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 12\nTitle: \"\u3010Beijing three-day tour around the tour\u3011_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"See more tour routes around Beijing >> Xinjiang Tianchi Turpan Kanas three flights six ... Fujian must-see attractions_Fujian travel ... Where to travel in March_Where to travel cheaply ... Bali self-guided tour guide Wuhan to Bali ... Impression Tourism Network: Guangzhou departure to ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.77 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":13,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Short-term Vacation Guide\"\nQuery Dwell Time: 91.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 13\nTitle: \"Hebei Travel Blog_Hebei Free Travel Blog_Sina Travel\"\nSummary: \"Many times, I lament that Beijing is not as fun as Shanghai's surrounding short-term vacation destinations. After counting, it is indeed boring to spend time at home and between the Workers' Stadium on weekends. Where to find the best places to visit in Huanglong Villa?\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":14,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Gubei Water Town Guide\"\nQuery Dwell Time: 153.94 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 14\nTitle: \"2017 Miyun Gubei Water Town Travel Guide - Gubei Water Town Self-guided Tour - Gubei Water Town Tickets, Transportation, Weather and Scenery...\"\nSummary: \"Provide the latest 2017 Miyun Gubei Water Town travel guide, including a detailed introduction to Miyun Gubei Water Town attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 122.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":15,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Huanghuacheng Water Great Wall Guide\"\nQuery Dwell Time: 76.3 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 15\nTitle: \"Huanghuacheng Water Great Wall Travel Guide, Huanghuacheng Water Great Wall Guide - eLong Travel Guide\"\nSummary: \"2017 Huanghuacheng Water Great Wall Travel Guide: Discover Hotels Travel Community Home Beijing Travel Huairou Travel Huanghuacheng Water Great Wall Travel Home Travel Overview Attractions Photos Travel Guide Hotel Guide Huangshan Jiuzhaigou Lijiang Maldives Singapore Skiing Hai...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":16,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Huanghuacheng Water Great Wall Guide\"\nQuery Dwell Time: 76.3 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 16\nTitle: \"Beijing Huanghuacheng Water Great Wall Self-Guided Tour Guide\/Comments\/Photos\/Maps\/Tickets\/FAQs - | Yododo Tours...\"\nSummary: \"It is a tourist resort famous for its uniqueness and beauty, integrating mountains, rivers, clear water and the ancient Great Wall. There are flowers in three seasons and scenery in four seasons, with clear mountains and water. Huanghuacheng Water Great Wall tourist attractions\/tickets\/strategies\/routes\/maps.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":17,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Chateau Changyu\"\nQuery Dwell Time: 28.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 17\nTitle: \"Changyu Golden Ice Valley Ice Wine Winery Travel Guide_Changyu Golden Ice Valley Ice Wine Winery Travel Guide_Changyu...\"\nSummary: \"Sina Travel Changyu Golden Ice Valley Ice Winery Tourism Page provides comprehensive Changyu Golden Ice Valley Ice Winery Tourism Guide, Changyu Golden Ice Valley Ice Winery Tour Guide, Changyu Golden Ice Valley Ice Winery Self-guided Tour Guide, Changyu Golden Ice Valley Ice Winery...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":18,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baiyangdian Lake Guide\"\nQuery Dwell Time: 41.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 18\nTitle: \"Download the latest Baiyangdian travel guide for 2017 - Baoding Baiyangdian self-guided tour guide | Yododo\"\nSummary: \"What is there to do in Baiyangdian? The latest Baoding Baiyangdian travel guide and self-guided tour routes. Before you plan to travel to Baiyangdian by yourself, you can take a look at the Baiyangdian guide and follow the footsteps of the pioneers! May Day Beidaihe self-driving tour guide [teaching...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":19,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 633.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baiyangdian Lake Guide\"\nQuery Dwell Time: 41.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 19\nTitle: \"2017 Baoding Baiyangdian Tourism Guide - Baiyangdian Self-guided Tour - Baiyangdian Tickets, Transportation, Weather, Attractions Introduction\"\nSummary: \"Provide the latest 2017 Baoding Baiyangdian travel guide, including a detailed introduction to Baoding Baiyangdian attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":20,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Near Tsinghua University\"\nQuery Dwell Time: 49.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 20\nTitle: \"[A big offer for the start of the new semester] Peking University freshmen will never be cheated when buying a bicycle after reading this!\"\nSummary: \"Generally speaking, except for some professional bike shops around Tsinghua University (such as the Fixed Gear Park), the quality of similar fixed gear bikes sold in the vicinity of Peking University is not up to standard, and it is not recommended to buy them. In fact, the real fixed gear bike players, their mounts are expensive...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":21,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 29.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 21\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":22,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear Park\"\nQuery Dwell Time: 136.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 22\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park* is a required option China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.76 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":23,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear Park\"\nQuery Dwell Time: 136.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 23\nTitle: \"No. 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, on the east side of the road, the address of Shunrufeng Bicycle - Beijing...\"\nSummary: \"Probike Bike Center (Fixed Gear) New Balance (Zhongguancun Jinlehui Store) Zhongguancun Square, No. 15 Zhongguancun Street... Add interior scene Apply for new landmark No. 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, east of the road (Shunrufeng Bicycle) Tel: ...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":24,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear Park\"\nQuery Dwell Time: 136.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 24\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park* is a required option China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.61 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":25,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Quote\"\nQuery Dwell Time: 133.39 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 25\nTitle: \"[Fixed Gear Fixed Gear Price]_Fixed Gear Fixed Gear Wholesale\/Purchase Quote_How much is a fixed gear fixed gear - China...\"\nSummary: \"China Net Store provides you with the latest fixed gear bike prices, fixed gear bike quotation information, fixed gear bike price trends, including suppliers' main products, pictures, sales and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":26,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 452.43 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Store Zhongguancun\"\nQuery Dwell Time: 33.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 26\nTitle: \"Where are the fixed gear stores in Beijing? - Interactive Q&A on home decoration\"\nSummary: \"I decided to go to a physical store. I wonder which physical store in Beijing sells fixed gear at a more affordable price. As a student, I have limited money. I wonder what kind of car I can get between 1500-2500. 1 answer Chengdu furniture factory is looking for investment 1500-...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":27,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 27\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 78.19 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":28,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 28\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free checked baggage allowance for Dragonair's international flights is as follows: Passengers traveling to and from the United States and Canada can check in 2 pieces of luggage for free, and the weight of each piece of luggage must not exceed 32 kg; Passengers on other routes can check in 40 kg for first class and 40 kg for business class.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.85 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":29,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 29\nTitle: \"International flight baggage regulations doc download_iAsk shared document\"\nSummary: \"International flight luggage regulations, carry-on luggage restrictions, take international flights: usually the total weight of hand luggage should not exceed kg, each piece of luggage should not exceed cm (the sum of the three sides should not exceed cm). Passengers on US-Canada routes...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":30,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 112.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 30\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":31,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: Luggage must be carried in hand\"\nQuery Dwell Time: 129.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 31\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 87.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":32,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: luggage must be checked in\"\nQuery Dwell Time: 73.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 32\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":33,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: luggage must be checked in\"\nQuery Dwell Time: 73.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 33\nTitle: \"zz International flight checked baggage regulations\"\nSummary: \"Luggage allowance for international flights of large, medium and small sizes Air China International Airlines' luggage allowance for international flights is as follows: Free luggage allowance for international flights is divided into two types: free luggage allowance based on weight and free luggage allowance based on piecework. Free luggage allowance based on weight; according to...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":34,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: luggage must be checked in\"\nQuery Dwell Time: 73.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 34\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":35,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 417.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: carry-on luggage\"\nQuery Dwell Time: 41.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 35\nTitle: \"How much carry-on luggage is allowed on international flights? Page 6 - Yue Travel\"\nSummary: \"Sometimes airlines will offer some promotions to increase the free luggage allowance (especially for international flights). So, pay attention to the airline... Batteries must be carried with you as required. Here are the baggage regulations of AirAsia: According to the relevant regulations of the Civil Aviation Administration, when taking domestic...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":36,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 36\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.46 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":37,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 37\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"You can use smoking cessation toothpaste to remove cigarette stains and quit smoking. (I) Short-term benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity and can fully taste the flavors of various foods. 2. Elimination of bad breath Smokers and their...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":38,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 30.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 38\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.01 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":39,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 30.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 39\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":40,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 30.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 40\nTitle: \"US Food and Drug Administration: Pay close attention to side effects when using smoking cessation drugs - Sohu Health\"\nSummary: \"Recently, the U.S. Food and Drug Administration (FDA) issued a safety warning that the smoking cessation drug varenicline (trade name: Chantix) may cause some serious mental illnesses and even suicide, and \"this possibility is increasing...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":41,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 41\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.07 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":42,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 42\nTitle: \"The most effective way to quit smoking - Sanjiu Health Hall\"\nSummary: \"Home > The most effective way to quit smoking Everyone knows that smoking is harmful to health, but there are still many people who go further and further on the road of smoking. What is the most effective way to quit smoking? How to quit smoking most effectively and quickly? What is the best way to quit smoking...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":43,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 43\nTitle: \"The most effective way to quit smoking in the world - Article\"\nSummary: \"The method of quitting smoking is very important for people who want to quit smoking. Choosing the right and effective method of quitting smoking is more conducive to the success of quitting smoking. Let's take a look at the following methods of quitting smoking. Distracting attention method: When you can't resist the urge to smoke, you can take a hot bath; or...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.58 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":44,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 126.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 29.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 44\nTitle: \"3 effective ways to quit smoking\"\nSummary: \"Many people know that smoking is harmful to the body and the people around you, but how can you quit smoking? Today, I will introduce several ways to quit smoking, so that you can quit smoking successfully and keep yourself and the people around you healthy. Cognitive therapy helps patients...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":45,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 518.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features How to use Price\"\nQuery Dwell Time: 490.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 45\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"From the promotional video of Google Glass released by Google, it is not difficult to judge that almost all the basic functional applications based on Android phones can be transplanted into smart glasses, but the presentation method does not rely on the mobile phone screen, but on semi-transparent projection...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 325.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":46,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 518.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features How to use Price\"\nQuery Dwell Time: 490.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 46\nTitle: \"What is the price of Google Glass?\"\nSummary: \"\u6846\u6846\u62c6\u6311\u8f66 50567 views 122 latest answers (3 answers) Hello, Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking pictures, video calls, and directions through voice, as well as surfing the Internet...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":47,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 518.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features How to use Price\"\nQuery Dwell Time: 490.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 47\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"The glasses, also known as Project Glass, are priced at $1,500 and are currently only available to Google Glass attendees today.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":48,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 70.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 48\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.84 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":49,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong official website\"\nQuery Dwell Time: 57.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 49\nTitle: \"\u3010iphone6 \u200b\u200bHong Kong official website\u3011_iphone6 \u200b\u200bHong Kong official website pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality iphone6 \u200b\u200bHong Kong official website quotes, iphone6 \u200b\u200bHong Kong official website related information, iphone6 \u200b\u200bHong Kong official website latest pictures, iphone6 \u200b\u200bHong Kong official website advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":50,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong official website\"\nQuery Dwell Time: 57.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 50\nTitle: \"iphone6\/iphone6plus Hong Kong Apple store purchasing agent, official website pre-sale...\"\nSummary: \"Title: iPhone 6\/iphone 6 plus Hong Kong Apple store purchasing agent, official website pre-sale price plus purchasing agent fee! One is enough! [Item name] iPhone 6\/iphone 6 plus [New and old] Hong Kong Apple store brand new purchasing agent [Packaging] Original packaging unopened...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":51,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 46.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 51\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.15 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":52,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring my iPhone back to China?\"\nQuery Dwell Time: 36.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 52\nTitle: \"Several students were checked for bringing 8 iPhone 6s into the country. They were for personal use and were asked to pay additional taxes - Morning News | Rongyao Xi...\"\nSummary: \"The phone was purchased in Singapore and brought back for personal use, ruling out the possibility of smuggling. Several passengers were released after paying 10% tariff according to customs regulations. It is reported that Xi'an Customs has not found any cases of iPhone 6 being brought into the country for smuggling purposes. For those suspected of smuggling,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":53,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring my iPhone back to China?\"\nQuery Dwell Time: 36.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 53\nTitle: \"I brought my iPhone 4 from Malaysia back to China, but I don't know if I need to pay customs duties? How much should I pay? _Solved - ...\"\nSummary: \"Thank you. Please tell me more details. Share outside the site Views: 40 Most satisfactory answer Yes, import tax amount = duty-paid price * tax rate. For the duty-paid price and tax rate of specific items, please refer to the General Administration of Customs Announcement No. 25 of 2007 \"Inbound Passenger Travel...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":54,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring iPhone 6 back to China?\"\nQuery Dwell Time: 69.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 54\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"Items that need to be declared when leaving the country are exempt from customs duties according to customs regulations. 2. If the mobile phone you bought in Hong Kong is worth more than \uffe55,000, you will be taxed if you bring it back to China. The tax rate depends on the value of the item. Go to Hong Kong to buy an iPhone...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":55,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 46.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 55\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":56,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 46.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 56\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Huafen talks about industry information Huafen Club...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports the 4G networks of the three major domestic operators\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.9 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":57,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 393.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 46.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 57\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Oil Paradise - OnePlus Mobile Community Official...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. iPhone 6 and iPh ... Apple iPhone 6 supports the 4G network of the three major domestic operators, OnePlus Mobile Community Official Forum\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.78 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":58,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 172.22 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 55.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 58\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.19 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":59,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 1654.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 59\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.91 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":60,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 1654.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 60\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":61,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Encyclopedia\"\nQuery Dwell Time: 424.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 61\nTitle: \"Decoding the six details of the aircraft carrier \"Liaoning\", including basic technical parameters\"\nSummary: \"Basic technical parameters The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. There are 10 floors below the main deck and 9 floors of island-style superstructure above the main deck. The normal displacement of the Liaoning is more than 50,000 tons, and the full...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":62,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries\"\nQuery Dwell Time: 139.34 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 62\nTitle: \"What are the advantages of the domestically-made aircraft carrier based on the design of the Liaoning ship: it can be put into service in 2 years | China | aircraft carrier | navy_new...\"\nSummary: \"June 10, 2016 - Some experts believe that the experience accumulated by the Liaoning during the tests, sea trials and drills will definitely be integrated into the new aircraft carrier: the commanders and professional officers and soldiers of the new aircraft carrier will first be trained on the Liaoning; the new aircraft carrier's...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":63,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 2137.56 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Other countries Comparison\"\nQuery Dwell Time: 33.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 63\nTitle: \"Compared with other countries, what advantages does China's aircraft carrier Liaoning have?\"\nSummary: \"China's first aircraft carrier, the Liaoning, has attracted widespread attention from the Chinese press and military observers around the world. For some, the Liaoning is a symbol of China's global power; for others, it represents a more powerful Chinese navy...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":64,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 211.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Company Ice Breaker Games\"\nQuery Dwell Time: 104.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 64\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Find the target (do not use the student's name or company name) Name string game group members sit in a circle and nominate one person at random... Hunter hunting rabbit Game type: ice-breaking game Suitable for number of people: unlimited Game props: none Game steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.48 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":65,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 211.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Company Ice Breaker Games\"\nQuery Dwell Time: 104.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 65\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Painter [Ice Breaker Game] Props: Each group (5-6 people) a large white paper (not too thin), two oil-based pens Step 1, each... Especially among colleagues in the same department or the same company, the effect is better. \uf06c Be careful not to let...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":66,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 211.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Company Ice Breaker Games\"\nQuery Dwell Time: 104.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 66\nTitle: \"Company Annual Meeting Ice-breaking Games\"\nSummary: \"Company annual meeting ice-breaking games, related information about company annual meeting ice-breaking games, A takes notes. (4). Five minutes later, the teacher asks A and B to take back the paper on which the other party took notes and sign their names on the upper right corner of the back. Then share with each other...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":67,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 758.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 701.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 67\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":68,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 758.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 701.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 68\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 55.67 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":69,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 758.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 701.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 69\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Where is Donghouding? Travel guide from Beijing to Donghouding Travel guide to Beijing's surrounding areas Travel guide to Hebei Zhengding Ancient City Where to go in Hebei in winter Visit ancient buildings in Handan City Experience rural travel Travel guide to Shexian County, Hebei Explore the glass plank road of Baishishan Mountain in Baoding Travel guide to Yanmenguan in Daixian County, Shanxi...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.05 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":70,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua\"\nQuery Dwell Time: 89.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 70\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":71,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua\"\nQuery Dwell Time: 89.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 71\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":72,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 72\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear|\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 159.76 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":73,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 73\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.06 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":74,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 74\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 51.73 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":1
+  },
+  {
+    "id":75,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 75\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.82 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":2
+  },
+  {
+    "id":76,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 76\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.1 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":77,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 77\nTitle: \"Fixed Gear Price_Fixed Gear Latest Price_Fixed Gear Price-Suning.com\"\nSummary: \"Suning.com's fixed gear channel provides you with fixed gear prices, the latest fixed gear quotes, how much fixed gear costs, fixed gear parameters and other product information. To learn more about fixed gear shopping guides, go to Suning.com. Authentic products, nationwide warranty, cash on delivery\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.52 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":78,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 78\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Price Manufacturer Wholesale-Huyi.com\"\nSummary: \"Huyi.com collects 0 detailed data on fixed gear bicycle prices and provides you with advantageous factory wholesale prices, high-quality factory sources and brands. You can also find tableware, kitchenware, cooking utensils, bathroom appliances, bathroom small appliances, kitchen and bathroom daily chemicals...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.67 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":79,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 79\nTitle: \"\u3010Disc brake fixed gear\u3011Price_Picture_Brand_Review-JD.com\"\nSummary: \"JD.COM is a professional online shopping mall for disc brake fixed gears in China, providing information on disc brake fixed gear prices, quotes, parameters, reviews, pictures, brands, etc. If you want to buy disc brake fixed gears, go to JD.COM.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":80,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 80\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":81,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 81\nTitle: \"Dead Glider Dog Mouth Price_Latest Dead Glider Dog Mouth Price\/Wholesale Quote_How much is the Dead Glider Dog Mouth - Huicong.com\"\nSummary: \"The price column of the fixed gear mouth micro portal of Huicong.com provides the latest fixed gear mouth prices and real-time quotes from various manufacturers. You can choose the appropriate fixed gear mouth according to the price, and you can also contact the manufacturer directly to obtain more information about the fixed gear mouth products,...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":82,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 433.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 82\nTitle: \"\u3010DAMAO fixed gear\u3011DAMAO fixed gear price_DAMAO fixed gear price-Suning.com\"\nSummary: \"Suning.com provides you with DAMAO fixed gear quotes, the latest DAMAO fixed gear prices, reviews, pictures, consultations, order sharing and other information. To buy DAMAO fixed gear, go to Suning.com and enjoy shopping!\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.52 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":83,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 83\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8899 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":84,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 84\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Click on the picture to see the enlarged picture Product: 92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Unit price: Negotiable Minimum order quantity: Total supply: Delivery period:\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.48 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":85,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 85\nTitle: \"How to ride a fixed gear without brakes\"\nSummary: \"In the past two years, Chen Junhan not only rides a fixed-gear bike, but also opened a bike shop that specializes in fixed-gear bikes. Chen Junhan told the Chengdu Business Daily that he has sold more than 1,000 fixed-gear bikes, and like road bike fans, he has...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":86,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 901.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 250.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 86\nTitle: \"What is a fixed gear? How to choose and ride a fixed gear (8) - Sanjiu Health Hall\"\nSummary: \"Things to note when riding a fixed-gear bike: Keep your sight as far as possible when riding a fixed-gear bike. It is not easy to ride a fixed-gear bike well. There are many details to pay attention to when riding a fixed-gear bike, such as where to look when riding a fixed-gear bike. If you don't pay attention to this problem, you will really fall...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":87,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 267.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage Shipping USA\"\nQuery Dwell Time: 110.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 87\nTitle: \"Studying in the United States: What are the regulations for checked luggage?\"\nSummary: \"August 27, 2014 - For example, American Airlines allows two pieces of checked luggage to all international destinations for free, and the weight of each piece of luggage cannot exceed 23 kg. If the weight exceeds 23 kg but is less than 32 kg, each piece will be charged US$25 or...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 71.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":88,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 267.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Prohibited Items for Consignment in the United States\"\nQuery Dwell Time: 120.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 88\nTitle: \"TSA Checked Baggage Permitted\/Prohibited Items List_Tiandao Study Abroad\"\nSummary: \"TSA Checked Baggage Permitted\/Prohibited Items List Sharp Items Items Checked Carry-on Box Knives No Ice Picks No Knives (Except Plastic or Unsharpened Butter Knives) No Carving Knives No Blade Knives (Examples of Box Knives, Multi-purpose Knives...)\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 114.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":89,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 85.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 89\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":90,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 85.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 90\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.11 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":91,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 85.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 91\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - after quitting smoking, you will find that your irritable mind can calm down, and your mind that was always distracted can be easily focused. Although men in business talks usually have to give cigarettes to the other party, but the effects of cigarettes on the body...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.2 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":92,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 122.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 92\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.54 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":3
+  },
+  {
+    "id":93,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 122.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 93\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.08 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":94,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking effective way\"\nQuery Dwell Time: 86.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 94\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.3 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":95,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 339.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking effective way\"\nQuery Dwell Time: 86.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 95\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Author: admin Quit smoking Source: Original from this site Hits: China Quit Smoking Network News: I believe everyone knows that smoking is very harmful, and smoking frequently is addictive. So how should we quit smoking when we are addicted? What is the most effective way to quit smoking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":96,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 246.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 185.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 96\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 103.14 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":97,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 246.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 185.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 97\nTitle: \"The core functions of Google Glass cannot be used in China, and large-scale promotion is difficult | Google Glass | Google | Now_...\"\nSummary: \"April 28, 2014 - According to our reporter, so far, very few people have used Google Glass, and there is no official sales channel in China. Various videos showing the \"magical functions\" of Google Glass circulating on the Internet have further enhanced the public's interest in it...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.41 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":98,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 246.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Official Website\"\nQuery Dwell Time: 40.97 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 98\nTitle: \"Google Glass Official Website - The official website will take you to the real Google Glass official website\"\nSummary: \"Google also announced that it will open applications for Google Glass to consumers. According to multiple media reports, Google Glass will be available before the end of 2013, with a price of no more than $1,500 (about 9,270 yuan). Google Glass official website address and related websites...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":99,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 124.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 99\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.57 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":100,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 124.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 100\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"Apple iPhone 6 price plummets to 3,500 yuan 2015-10-17 At 10:00 am on September 9, San Francisco time, Apple held a press conference in San Francisco and officially released the iPhone 6s and iPhone 6s Plus. As a result, the price of the iPhone 6 dropped a lot...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.98 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":2
+  },
+  {
+    "id":101,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 124.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 101\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"Disadvantages: 1. Price 2. Fragile life, not as good as previous Nokia; 3. Short standby time, battery life needs to be improved Is it helpful to you? 2 0 Apple iPhone6A1586 related questions Can iPhone 6 and Plus use Apple Pay? I...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 77.02 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":102,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 tariff\"\nQuery Dwell Time: 206.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 102\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 192.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":103,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecommunications service provider\"\nQuery Dwell Time: 118.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 103\nTitle: \"Ask everyone what to do if the Hong Kong version of iPhone 6 has no service from China Telecom? - Home Decoration Q&A - Dianping.com\"\nSummary: \"Question: What should I do if the Hong Kong version of iPhone 6 has no service? - Answer: The general solution for iPhone 6 displaying no service: 1. Check if the SIM card slot is damaged: You can insert another SIM card to try...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.16 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":104,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecommunications service provider\"\nQuery Dwell Time: 118.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 104\nTitle: \"Does the Hong Kong version of iPhone 6 support China Telecom? - Home Decoration Interactive Q&A\"\nSummary: \"Still in no service state. Therefore, the actual hardware of the Hong Kong version of iPhone 6 can support it, but due to some reasons such as policies, the CDMA telecommunications network is soft-blocked. In addition, China Telecom's network has not yet deployed SRLTE and SVLTE, so even if...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 84.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":105,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 600.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Mobile\"\nQuery Dwell Time: 75.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 105\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks - IT News - 21CN.COM\"\nSummary: \"September 2, 2014 - Officially released at the Flint Theater in Cupertino, USA. According to China Mobile, not only is the operator's 4G network coverage complete, but domestic and Hong Kong versions of iPhone 6 also support China Mobile's 4G network.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 39.92 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":106,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 71.72 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 63.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 106\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.48 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":107,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 746.73 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 288.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 107\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 152.79 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":108,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 746.73 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 288.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 108\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 117.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":109,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 407.71 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 389.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 109\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":110,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 99.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 110\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":111,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 99.5 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 111\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Surrounding facilities Commercial services Popular categories: Popular business districts: Landmark subway: Rating: Rating: Fee: I didn't listen to it once... And there are a lot of people during the peak tourist season, and the queue is very long! However, the amusement facilities inside... Rating: Rating...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.69 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":112,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Day Beijing Surrounding Tourism\"\nQuery Dwell Time: 191.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 112\nTitle: \"Where to go for tours around Beijing during the May Day holiday?\"\nSummary: \"Xinxin Travel Network Travel Guide: Where to go in Beijing during the May Day holiday? Why not take a tour around the city? Go out, breathe some fresh air, and get close to nature. It's also a good thing! Here are some good places to go during the May Day holiday in Beijing...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":113,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Day Beijing Surrounding Tourism\"\nQuery Dwell Time: 191.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 113\nTitle: \"May Day Travel Guide May Day Beijing Tour Self-driving Route Sharing - China Investment Consulting | China Investment Consulting Network\"\nSummary: \"April 24, 2015 - Beijing surrounding tours: mountain climbing, barbecue and camping [Self-driving tour] \"May Day\" travel guide: Self-driving tour, whatever you want Shangzhuang Reservoir is the closest reservoir to Beijing city, only 30 kilometers away from the city, and it takes only half an hour to drive...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":114,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Day Beijing Surrounding Tourism\"\nQuery Dwell Time: 191.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 114\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"During the three-day May Day holiday, you don\u2019t want to stay at home, nor do you want to go too far. So why not travel around Beijing? What are the fun places around Beijing during the May Day holiday? What are the good places to travel around Beijing during the May Day holiday? Beijing Week of May Day...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 91.44 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":115,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 115\nTitle: \"Yesanpo Travel Guide - 2017 Latest Yesanpo Bailixia, Yesanpo Farmhouse, Yesanpo Accommodation...\"\nSummary: \"Yesanpo Bailixia Haitian Farmhouse is located at the entrance of Yesanpo Bailixia Scenic Area. It provides you with the latest Yesanpo travel guide, Yesanpo tourism, Yesanpo accommodation, Yesanpo Farmhouse information, and the latest Yesanpo Bailixia travel guide in 2017...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":116,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 116\nTitle: \"Yesanpo Travel Guide | Yesanpo Farmhouse | Hebei Yesanpo Scenic Area - Yesanpo Travel Network\"\nSummary: \"Yesanpo Tourism Network provides the most timely and comprehensive tourism information of Hebei Yesanpo, driving routes, Yesanpo Farmhouse Hotel accommodation introduction, Yesanpo Scenic Area attractions introduction and Yesanpo travel guide\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":117,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 117\nTitle: \"Yesanpo Tourism Network Yesanpo Travel Agency Yesanpo Local Agency Yesanpo Hotel Yesanpo Tickets ...\"\nSummary: \"The Yesanpo local reception service hotline 13730223009 provides free information on Yesanpo travel agencies, hotels, rafting entertainment, tour guides, tickets, etc. to travel agencies operating Yesanpo tours and tourists visiting Yesanpo.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":118,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 118\nTitle: \"Yesanpo Tourism Accommodation Network-Yesanpo_Yesanpo Farmhouse_Yesanpo Accommodation_Bai Lixia Farmhouse_...\"\nSummary: \"Yesanpo Bailixia Shanlihong Farmhouse provides accommodation services in Bailixia, Yesanpo. Shanlihong Farmhouse was rated as a third-level farmhouse by the Yesanpo Management Committee. We provide you with Yesanpo tourism guidance and consultation, so that you can have a good time in Bailixia...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":119,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 110.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 119\nTitle: \"Yesanpo Tourism_Yesanpo Tourism Guide_Yesanpo Pictures_Yesanpo Ticket Prices_Sina Travel\"\nSummary: \"Sina Travel Yesanpo Travel provides netizens with Yesanpo travel guide, Yesanpo introduction, Yesanpo pictures, Yesanpo ticket prices, Yesanpo attractions introduction, Yesanpo travel routes, Yesanpo address, Yesanpo phone number, Yesanpo surrounding tourism...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":120,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism Price\"\nQuery Dwell Time: 89.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 120\nTitle: \"2017 Yesanpo three-day tour\/Yesanpo travel price\/travel guide\"\nSummary: \"Arrive at Yesanpo, a world geological park and national key scenic spot, at noon and arrange accommodation. In the afternoon, take a bus to Baili Gorge, a national AAAA-level tourist area and the \"No. 1 Gorge in the World\" (about 30 minutes by car, about 4 hours of sightseeing), where you will be surrounded by cliffs...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":121,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 558.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Yesanpo Tourism Price\"\nQuery Dwell Time: 89.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 121\nTitle: \"Yesanpo tourism, travel quotes from Beijing to Yesanpo, Yesanpo tour route prices_Ocean International Travel\"\nSummary: \"Ocean International Travel has carefully designed Yesanpo travel routes for you, with realistic Yesanpo travel prices and high-quality Yesanpo travel services, allowing you to have a safe, comfortable and economical Yesanpo trip. Ocean International Travel\u2019s phone number is: 400-0003400.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":122,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tmall\"\nQuery Dwell Time: 144.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 122\nTitle: \"[Tmall fixed gear bicycle]_Tmall fixed gear bicycle pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality Tmall fixed gear bicycle quotes, Tmall fixed gear bicycle related information, Tmall fixed gear bicycle latest pictures, Tmall fixed gear bicycle advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most valuable...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 128.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":123,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Taobao\"\nQuery Dwell Time: 74.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 123\nTitle: \"Home - 77 Fixed Gear Bike Gallery - Taobao\"\nSummary: \"Taobao, Shop, Wangpu, 77 Fixed Gear Bike Hall SF Song and Friends Revolution x Matte Black Student Men and Women Retro Limited Racing Steel Frame Fixed Gear Bike SF R Racing Muscle Bike SF Muscle R1R2R3 Super Wanderer Pioneer AV Fixed Gear Bike SF R Series ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":124,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store\"\nQuery Dwell Time: 90.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 124\nTitle: \"[Beijing New Fashion Tongjiang Fixed Gear Bicycle Store] Group purchase, address, phone number, business hours -...\"\nSummary: \"Movies, Events, Performances, Leisure and Entertainment, Learning and Training, Healthcare, Dianping WeChat Official Account, Dianping QQ Official Account, Beijing Search, Mobile Reviews, Hot Recommendations, Foot Reflexology and Bathing, Medical Beauty, More, High-end Hotels, More, Specialty Hotels, More, Family Fun...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":125,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store\"\nQuery Dwell Time: 90.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 125\nTitle: \"Fixed Gear Bike Store | How much does a fixed gear bike cost in a physical store_Tianjin E Network\"\nSummary: \"Introduction: How much does a fixed gear bike cost in a physical store? Where is the fixed gear bike store in Nanjing? Where can I buy a fixed gear bike? Where is the fixed gear bike store in Guangzhou? How much does a fixed gear bike usually cost in a physical store? About \"Fixed Gear Bicycle...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":126,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where can I buy fixed gear bicycles near Tsinghua University?\"\nQuery Dwell Time: 48.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 126\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"There are electric cars at the west gate of Tsinghua University. UjozWjfx Yes, there are many stores on Zhongguancun North Street, south of Xiangbaiqi Bridge and west of the road near Yuanmingyuan. You can find any affordable brand you can think of. Contact us: 13255803810@qq.com Customer service phone: 13255803810 ...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":127,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 41.62 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 127\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.0 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":128,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 54.41 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 128\nTitle: \"[Things to note for novice bicycle riders] [Mengyang Fixed Gear Bar]_Baidu Post Bar\"\nSummary: \"Cycling can be done at any time, during commuting, or when going out for an outing. There is no time limit or speed limit. It can effectively keep the body healthy. For novices, there are some things to pay attention to. Be sure to check the bicycle before riding...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.11 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":129,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 132.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 129\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.08 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":130,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 132.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 130\nTitle: \"Fixed Gear Bicycle for Students_Fixed Gear Bicycle for Students Price_High Quality Fixed Gear Bicycle for Students Wholesale\/Purchase...\"\nSummary: \"Huicong.com's Fixed Gear Bicycle Student Micro-Portal collects rich content about Fixed Gear Bicycle Student, providing users with various fixed gear bicycle student supply and demand information prices, fixed gear bicycle student information, fixed gear bicycle student pictures, fixed gear bicycle...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":131,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1521.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 132.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 131\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"The quality of the fixed gear bicycle must be ensured before it can fly,... When a fixed gear bicycle hits a car, the loss is worth... Should I buy a fixed gear bicycle as a whole or do it myself... Address of a fixed gear store in Hangzhou Address of a fixed gear store in Shanghai Where is the fixed gear store in Beijing? Fixed gear...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.38 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n",
+    "usefulness_score":2
+  },
+  {
+    "id":132,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 147.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International Flights Baggage Information\"\nQuery Dwell Time: 130.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 132\nTitle: \"International Flight Baggage Information\"\nSummary: \"People generally need to carry a lot of luggage when taking international flights, and different airlines have different regulations on luggage. Therefore, it is necessary to check the relevant regulations when booking tickets and preparing luggage, especially the number of pieces of luggage, size, etc.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":133,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 147.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International Flights Baggage Information\"\nQuery Dwell Time: 130.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 133\nTitle: \"\u300aGeneral Requirements for the Number, Weight and Size of Checked and Carry-on Baggage on International Flights\u300b\"\nSummary: \"Generally, international flights require the number, weight, and size of checked and carry-on luggage. When traveling between Zone 1 and Zone 3 of IATA, the piece-rate system is adopted, stipulating that passengers in F\/C cabin can check in two pieces of luggage, each weighing no more than 32KG, and the size of each piece...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":134,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 134\nTitle: \"How to quit smoking_Symptoms after quitting smoking_Comparison of the pros and cons of quitting smoking methods\"\nSummary: \"Drug assistance is more effective (News) One of the withdrawal symptoms of quitting smoking is depression Tips for quitting smoking (Health Concern) Three-character classic for quitting smoking (Life and health care) Quitting smoking can reduce anxiety (Health perspective) Quitting smoking is a war with yourself (Call for articles) Will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 113.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":135,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 135\nTitle: \"Eight advantages of quitting smoking_Behavior Channel_Healthy Network\"\nSummary: \"What are the eight advantages of quitting smoking? Quitting smoking refers to how people who are addicted to smoking quit smoking, through active or passive smoking cessation methods, which may be chemical, physical, or spiritual smoking cessation methods, to eliminate the behavior of smoking addiction. You can use smoking cessation toothpaste to remove smoking addiction and remove smoke stains...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.59 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":136,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 136\nTitle: \"Is it good to quit smoking suddenly?_Popular health questions and answers_YouQiBiDa.com\"\nSummary: \"I want to ask if it is good to use e-cigarettes if you want to quit smoking. What are the...I have quit smoking for a month, why do I always have a fever and a cold? And...Quit smoking at the age of 10, drink milk, exercise more, and you can grow taller...My friend recently had a cerebral thrombosis, and I advised her to quit smoking,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":137,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The pros and cons of quitting smoking\"\nQuery Dwell Time: 247.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 137\nTitle: \"[Discussion] Let's talk about whether it is good for people who have smoked for many years to suddenly quit smoking? - Sohu Community\"\nSummary: \"\u203a [Discussion] Let's talk about whether it is good for people who smoke all the year round to suddenly quit smoking? The light is not good. The old car is broken. Open it on time and waste it. Bei'er Bei'er Bei'er The light is not good. The old car is broken. Bei'er Doudou Doudou Doudou The old car is broken. The beginning is always true? The beginning is always...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":138,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 320.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 44.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 138\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.27 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":139,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 139\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.17 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":140,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 140\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":141,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 141\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 21.09 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":142,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 206.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 142\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_null_Tencent Video\"\nSummary: \": The charm of fingertip control: a demonstration of how to use Google Glass\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 111.4 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":143,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 206.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 143\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.77 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":144,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Taobao\"\nQuery Dwell Time: 32.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 144\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - On Taobao, a Southern Metropolis Daily reporter searched yesterday and found that about five merchants have said they can buy Google Glass on behalf of customers, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"Pre-orders can already be started...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":145,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 554.95 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 145\nTitle: \"How to buy Google Glass? Google smart glasses purchase tutorial_IT digital_Information channel_Aifuqing.com\"\nSummary: \"September 3, 2014 - Google Glass is like a wearable smartphone that allows users to use voice commands, take photos, send messages, and perform other functions. Many people know about Google's smart glasses, but don't know how to buy them. ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":146,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 349.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Domestic iPhone 6 price\"\nQuery Dwell Time: 44.0 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 146\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"At present, domestic manufacturers have launched related films. In addition, Apple has not stated the glass material of the screen, but according to relevant information from Apple suppliers, it is still Corning Gorilla Glass. Is Apple iPhone6A1586 worth buying? Apple iPhone...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":147,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 349.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 tariff\"\nQuery Dwell Time: 129.72 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 147\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 97.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":148,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 349.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Will I be charged customs duty if I bring iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 83.26 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 148\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"You have to pay a 20% tariff, which means you have to pay a tax if you bring an iPhone 6. If you buy an iPhone 6 and open the box, it says it's yours... Luohu... Things to pay attention to when letting friends buy iPhone 6 from Hong Kong and bring it back to the mainland... 1. Apple Hong Kong needs to...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":149,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 130.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 77.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 149\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.11 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":3
+  },
+  {
+    "id":150,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 130.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 77.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 150\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 44.48 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":151,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 470.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with other aircraft carriers\"\nQuery Dwell Time: 114.2 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 151\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3172th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":152,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 470.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with other aircraft carriers\"\nQuery Dwell Time: 114.2 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 152\nTitle: \"Aircraft carriers are indeed giants. The deck of Liaoning compares with the Nimitz class of the United States_Sohu Others_Sohu.com\"\nSummary: \"January 15, 2017 - Statement: This article was written by an author who is registered on Sohu.com. Except for Sohu official accounts, the views only represent the author himself and do not represent the position of Sohu.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":153,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 470.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of the Liaoning aircraft carrier\"\nQuery Dwell Time: 127.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 153\nTitle: \"Advantages and disadvantages of the J-15 as a carrier-based aircraft, - Navy Edition - Super Base Military Forum - The most influential...\"\nSummary: \"Aloof from the world, tolerant and great. The advantages are great, but the disadvantages are... No catapult is not happy... The most influential... With catapult... The dispatch of aircraft carriers, the design and use of carrier-based aircraft, all of these require long-term practical accumulation, and the pilots'...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.21 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":154,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 72.4 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 54.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 154\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":155,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 72.4 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 54.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 155\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.11 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":156,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 72.4 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 54.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 156\nTitle: \"Ice-breaking game for new employee training_Chengzhi Development\"\nSummary: \"1. Carefully explain the purpose of the game and create an atmosphere. 2. Everyone stands in a circle, shoulders to shoulders, faces toward the inside of the circle. Everyone stands firmly with their front and back feet, hands forward, ready to push forward. 3. Choose one person to stand in the circle, close their eyes, and cross their hands in front of their chest. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":157,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 47.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, prices, etc.\"\nQuery Dwell Time: 30.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 157\nTitle: \"Beijing surrounding tourism prices\"\nSummary: \"2-day tour - Beijing to Beidaihe travel price - Beijing surrounding tour - Train to Beidaihe tour Senior group: Beijing group Summer Resort two-seat 2-day tour Puning Temple Puyou Temple \/ Small Potala Palace optional - Senior group tour price - Senior tour price Beijing-Tianjin high-speed rail Tianjin city + Tang...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":158,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 142.85 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes and their prices\"\nQuery Dwell Time: 129.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 158\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 123.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":159,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 90.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 159\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? 2017 International Flight Baggage New Regulations Air China has introduced a new policy of free checked baggage! After that, take Air China flights from China to the United States... The weight limit for each piece of luggage is 23 kg (50 pounds), and the sum of the three sides of each piece of luggage must not exceed 158 cm (62 inches)...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":160,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 90.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 160\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - After that, you can only check in one piece of luggage for free when you take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan), Hong Kong, Macau and Taiwan. This is very important for overseas Chinese and students studying abroad... The weight limit for each piece of luggage is 23 kilograms (50 pounds), and the sum of the three sides of each piece of luggage must not exceed 158 centimeters (62 inches)...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":161,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 2114.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking, the benefits of quitting smoking\"\nQuery Dwell Time: 149.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 161\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":162,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 2114.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking, the benefits of quitting smoking\"\nQuery Dwell Time: 149.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 162\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Quitting smoking Everyone knows that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.07 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":163,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 2114.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking, the benefits of quitting smoking\"\nQuery Dwell Time: 149.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 163\nTitle: \"How to quit smoking: several practical techniques for quitting smoking (2) - Sanjiu Health Hall\"\nSummary: \"Everyone knows that smoking is harmful to health, but many people in the world still smoke. We all know that there are many benefits to quitting smoking, but it is difficult to give up tobacco. We call on everyone to quit smoking as soon as possible and stay away from tobacco as soon as possible. Today...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":164,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 218.6 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\", he is very interested, please find out the function, usage, price and other information of this product\"\nQuery Dwell Time: 210.21 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 164\nTitle: \"What is Google Glass used for? The practical application of Google Glass is revealed_ChaChaBa\"\nSummary: \"View Points of Interest Google Glass can view points of interest, including some store locations and review information. 8. Take photos This is Google... Obviously a better way to take candid photos. 9. Video call A very cool feature, you can use Hangouts to... Of course, your English needs to be standard, and you need an Internet connection. 4. Traffic information A very cool feature, Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 100.78 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":165,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 218.6 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\", he is very interested, please find out the function, usage, price and other information of this product\"\nQuery Dwell Time: 210.21 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 165\nTitle: \"The shadow of Google Glass: Early users lose confidence in it | Google Glass_Industry_Sina Technology_New...\"\nSummary: \"November 15, 2014 - However, in recent times, many developers and early users of Google Glass are losing interest in the $1,500 beta product. Google Glass integrates a camera, a processor, and a...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":166,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1468.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operator networks and other information?\"\nQuery Dwell Time: 201.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 166\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Portable\/Mobile Products - Electronic Engineering World...\"\nSummary: \"September 11, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":167,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 86.07 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool opening hours and ticket prices\"\nQuery Dwell Time: 55.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 167\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":168,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 168\nTitle: \"What improvements does the first domestically-made aircraft carrier have over the Liaoning? - Happiness Gold Network\"\nSummary: \"April 26, 2017 - Thanks to China's advanced electronic technology, the Type 001A's island can fully achieve stronger information command capabilities than the Liaoning. However, compared with the \"mini island\" of the US aircraft carrier, the Type 001A aircraft carrier using conventional power...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 123.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":169,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 169\nTitle: \"Kaifeng Model Toys: Zhengdefu 1\/720 scale China's first aircraft carrier Liaoning - Kaifeng iAsk Classification\"\nSummary: \"China's first aircraft carrier Liaoning, released by Mr. Li, the information is described or introduced in detail as follows: The model uses Kuznetsov to transform into China's Liaoning, lifelike, carrier-based aircraft, small and cute, exquisite workmanship, pure handmade, acrylic painting, worth collecting and liking...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.48 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":170,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 170\nTitle: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially delivered to the People's Liberation Army of China...\"\nSummary: \"Question Type: Multiple Choice Difficulty: Medium Source: Xueersi Online School On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially delivered to the People's Liberation Army Navy. The picture below shows the first takeoff of the J-15 aircraft from the aircraft carrier. When taking off,... Then the rated power of the small bulb is W. (5) Combined with the information in Figure B, think: Can we use the circuit in Figure A to control the variable...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":171,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 199.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 191.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 171\nTitle: \"Why is China's first aircraft carrier called Liaoning? - Zhihu\"\nSummary: \"Log in Join Zhihu Why is China's first aircraft carrier called Liaoning? Show all Followers 1 Comment Share Invite to answer Follow the question Write an answer Knowledge is limited Province plus meaning 0 Add a comment Share Collection Thanks Close\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":172,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 360.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 350.03 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 172\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":173,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 173\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":174,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 174\nTitle: \"\u3010Beijing 5 Local Tours\u3011Beijing surrounding tourist attractions_2017_Beijing 5 local tour routes from October to December...\"\nSummary: \"Mango.com, a subsidiary of China Travel Service, is the first choice for booking Beijing 5 surrounding tours. Mango.com provides you with a full range of high-quality real-time price quotes for Beijing 5 surrounding tours from October to December 2017. The preferential prices for Beijing 5 surrounding tours are your best choice. Welcome...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":175,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 175\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"Beijing Hongluo Temple Tourist Resort Beijing Yuyuantan Park Beijing Lake View Water Park Beijing Qinglongxia Scenic Area Beijing Hancunhe Tourist Village Xishan Dajue Temple Haiding District Fenghuangling Natural Scenic Area Fangshan Qinglong Lake Water Park Miyun Taoyuan Fairy Valley Scenic Area ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":176,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 176\nTitle: \"\"Where to go for a May Day trip around Beijing?\"\"\nSummary: \"Where to go for a May Day trip in Beijing? Health and Health Guide: Where to go for a May Day trip in Beijing? Inventory of good places to visit in Beijing for May Day 1. Beijing Shunyi International Flower Port May Day travel activities in Shunyi District, Beijing: 2015 Beijing Yu... May Day trips in Beijing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":177,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 157.69 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"May Beijing Surroundings Vacation\"\nQuery Dwell Time: 142.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 177\nTitle: \"Where is the best place to go in Beijing in mid-May? - Travel Q&A\"\nSummary: \"Cheap Travel in Oceania For more questions, please click here x Back to top Outbound travel is all in the Cheap Travel App The choice of millions of travelers Scan the QR code to download on IOS\/Android Related questions Where is the most fun place to go around Beijing in mid-May? It would be best if there are mountains and water, scenic spots...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":178,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 85.58 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 178\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":179,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 85.58 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 179\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.46 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":1
+  },
+  {
+    "id":180,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 37.71 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 180\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.42 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":1
+  },
+  {
+    "id":181,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 37.71 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 181\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"The phone number of the Fixed Gear Park is , and the address of the Fixed Gear Park is No. 130 Xisi North Street. In addition, you can also check the map, public transportation and nearby popular places of the Fixed Gear Park.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.35 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":182,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Shop Tsinghua\"\nQuery Dwell Time: 40.72 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 182\nTitle: \"Makara Fixed Gear Park: The entry-level fixed gear for beginners is still more than 1,500 yuan,...... Beijing Shopping - Da...\"\nSummary: \"(North side of the west gate of Tsinghua University) Tel: 62625192 13810879372 View business details Add a branch View all 0 branches Products: 1 Environment: 1 Service: 1 The entry-level fixed-gear beginners still have more than 1,500 yuan, which is too much money. I give people...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":183,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"makara prices\"\nQuery Dwell Time: 32.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 183\nTitle: \"Makara Fixed Gear Park (Fixed Gear Shop) phone number, address, price, business hours (picture) - North...\"\nSummary: \"Popular cities There are expiring Nuomi coupons View orders Not rated Go to rate orders Not paid Go to pay New merchant replies View Data loading... Baidu Nuomi: nuomivip Popular categories Chinese food Group purchase Makara Fixed Gear Park (Fixed Gear...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":184,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 75.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 184\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":185,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 75.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 185\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 45.9 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":186,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 3256.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 40.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 186\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Click the picture to see the enlarged picture Product: 92 Beginners learn to ride fixed gear bicycles and teach you what to pay attention to | Sichuan bicycle suppliers Unit price: Negotiable Minimum order quantity: Total supply: Delivery period: ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.58 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":187,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US Shipping Regulations\"\nQuery Dwell Time: 132.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 187\nTitle: \"American Airlines Checked Baggage Rules: Checked Baggage News\"\nSummary: \"What are the checked baggage regulations of American Airlines? Let\u2019s take a look with the editor. 1. Checked luggage 1. Economy class: two pieces of luggage allowed, each not exceeding 23 kg\/157 cm 2. First class and business class passengers can check in two pieces of luggage for free...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":188,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US Shipping Regulations\"\nQuery Dwell Time: 132.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 188\nTitle: \"A complete guide to baggage check-in regulations for flights to the United States_Sina Education_Sina.com\"\nSummary: \"September 23, 2008 -Which flight do you take? Understand the baggage regulations in advance to avoid awkward check-in times. Northwest Airlines (NW): (1) North American routes: 2 pieces of checked baggage, 32 kg\/piece, 158 cm\/piece, 9 kg of carry-on baggage (excluding laptops) (2)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":189,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US Shipping Regulations\"\nQuery Dwell Time: 132.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 189\nTitle: \"What are the regulations for checked baggage on American Airlines? - GRE~'s blog, Renren, GRE~'s public...\"\nSummary: \"Starting from October 1, 2005, American Airlines will allow passengers to check in two pieces of luggage for free to all international destinations... All passengers who issue tickets from October 1, 2005 will be subject to this new regulation. Passengers who issue tickets before October 1, 2005 will not be...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":190,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US luggage regulations liquids\"\nQuery Dwell Time: 291.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 190\nTitle: \"[Help] How do I understand United Airlines' (domestic flights in the United States) regulations on liquids in carry-on baggage?\"\nSummary: \"I am going on a business trip to the United States. There are two purely domestic flights in the United States (I need to stay overnight in New York and go through security again the next day. It is not a combined ticket). There is no free checked baggage. The cosmetics I bought can only be carried with me. United Airlines' regulations on liquids in carry-on luggage are as follows...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":191,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US luggage regulations liquids\"\nQuery Dwell Time: 291.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 191\nTitle: \"Baggage regulations and precautions of American airlines | Preparation before traveling to the United States\u2014\u2014Elite Tutoring Network\u2014\u2014\"\nSummary: \"Oversized and overweight baggage and related fees In American universities, applying for American graduate scholarships is only available to students admitted to the school... Regulations require that passengers should carry liquid items (liquids, gels, aerosols) in a volume not exceeding 100 ml...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":192,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 474.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"US luggage regulations liquids\"\nQuery Dwell Time: 291.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 192\nTitle: \"[Shipment to the United States] What are the regulations for luggage shipment to the United States? \u2014 Ask Knowledge\"\nSummary: \"[Ship to the United States] What are the regulations for luggage shipping for studying in the United States? For all international passengers, the free luggage regulations are as follows: 2 checked luggage and 1 hand luggage; The length, width and height of each piece of the 2 checked luggage are added together...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":193,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 183.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 193\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.88 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":3
+  },
+  {
+    "id":194,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 183.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 194\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.69 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":1
+  },
+  {
+    "id":195,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 183.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 195\nTitle: \"US Food and Drug Administration: Pay close attention to side effects when using smoking cessation drugs - Sohu Health\"\nSummary: \"Bupropion hydrochloride sustained-release has a positive effect on smoking cessation, especially for patients who develop depression during the smoking cessation process. If used in combination with NRT, the effect is more obvious. It is contraindicated for those with a history of epilepsy and should be used with caution for those with eating disorders. The main side effects of bupropion hydrochloride are:...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":196,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 55.86 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 196\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.68 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":1
+  },
+  {
+    "id":197,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 197\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":198,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 198\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":199,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 199\nTitle: \"The fastest and most effective way to quit smoking\"\nSummary: \"How to quit smoking? The best way to quit smoking 1. Quit smoking from now on. Quit smoking completely or gradually reduce the number of times you smoke. Usually, you can succeed in 3 to 4 months. 2. Drink water, eat fruit or take a walk after a meal to get rid of the idea of \u200b\u200bsmoking after a meal. Research shows...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.05 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":200,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 430.24 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 148.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 200\nTitle: \"What is the most effective way to quit smoking?\"\nSummary: \"The most effective way to quit smoking is the sudden stop method. The \"sudden stop method\" is usually accompanied by medication. There will also be some discomfort symptoms in the first two weeks of quitting smoking, but due to the use of smoking cessation drugs, the discomfort symptoms will be significantly alleviated, and then the symptoms will...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.5 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":201,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 311.93 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Review\"\nQuery Dwell Time: 296.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 201\nTitle: \"Google Glass Review: The Most Ambitious Revolutionary Product [Photo] - OFweek Optics\"\nSummary: \"Google Glass can connect to the Internet via Wifi, but there is often no Wifi network outdoors, and mobile hotspots are not reliable. At this time, the function of Google Glass is greatly reduced, and it can only take photos and videos. Future versions of Google Glass may...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 289.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":202,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone\"\nQuery Dwell Time: 68.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 202\nTitle: \"Apple iPhone4 16G Price_Parameters_Pictures_Comments - PCPOP Product Price\"\nSummary: \"More Apple iPhone4 16G (Hong Kong version) quotations More Apple iPhone4 16G (Hong Kong version) parameters More Apple iPhone4 16G (Hong Kong version) pictures View Apple iPhone4 16G (Hong Kong version) latest quotations View Apple iPhone4 16G (Hong Kong version)...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":203,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone\"\nQuery Dwell Time: 68.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 203\nTitle: \"Apple iPhone5s price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"I just\u3010View Details\u3011Hong Kong version iPhone5s business hall cracked 4G network trial experience 2008-12-13 China Mobile got the TD-LTE camera, and according to previous rumors, the Hong Kong version of iPhone5S\/5C can be cracked to use the mobile 3\/4G network, now in Beijing...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":204,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone China Hong Kong\"\nQuery Dwell Time: 348.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 204\nTitle: \"Can an iPhone purchased in Hong Kong be used normally in the country? Let me tell you the answer - Lei Technology\"\nSummary: \"November 2, 2017 -Due to the cost-effectiveness, many friends have set their sights on the overseas\/Hong Kong version of the iPhone. But before buying, they are also full of doubts in their hearts, whether the non-Chinese iPhone can be used normally?\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 88.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":205,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone China Hong Kong\"\nQuery Dwell Time: 348.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 205\nTitle: \"What is the price of iPhone in Hong Kong and in China? ,iPhone\/ iPad \/ Watch-MacX.cn -\"\nSummary: \"I am going to Hong Kong soon and want to buy an iPhone 3G 8GB, but I don't know how much the price is in Hong Kong and the price in China? Can anyone tell me? There are too many refurbished ones in China. Where can I buy it? I see that most shopping malls require signing...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":206,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone China Hong Kong\"\nQuery Dwell Time: 348.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 206\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than domestic ones, and iPhone 6 is no exception. Many netizens who are planning to travel to Hong Kong can't help but wonder whether they need to pay taxes when buying iPhone 6 in Hong Kong? What is the price? Is it cheaper than domestic...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 167.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":207,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 207\nTitle: \"It is reported that the iPhone 6 will be released in China in September this year, and the price may start from 5288 yuan | iPhone | Release | Price_...\"\nSummary: \"June 25, 2014 - In addition, domestic media disclosed that the domestic price of iPhone 6 may continue to maintain Apple's original price, that is, the 32GB version is priced at 5,288 yuan, and the 64GB version is priced at 6,288 yuan. (China News Service IT Channel)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":208,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 208\nTitle: \"Why is the iPhone more expensive in China than in other countries? | Q&A | Q&A | Guokr Technology is...\"\nSummary: \"The domestic price of iPhone 5S starts at RMB 5,288, and the price of iPhone 5c starts at RMB 4,488. In mainland China, iPhone 5S 16GB\/... Or convert the price of the Chinese official website into the price of the US official website, which is US$3,288\/(1+17%)\/6.1317=458.32...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.18 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":209,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 209\nTitle: \"The price of 128G iPhone 6S in China has reached 20,000 yuan_Domestic News_Global Network\"\nSummary: \"September 11, 2015 - The 5.5-inch 16GB version of the iPhone 6S in black, white, and gold is priced at 16,800 yuan, while the rose gold version is 2,000 yuan more expensive, at 18,800 yuan. The most expensive 128GB version, regardless of color, requires a price of 21,000 yuan. Not only the price...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":210,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 570.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone Domestic Quote\"\nQuery Dwell Time: 100.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 210\nTitle: \"The price of 128G iPhone 6S in China has reached 20,000 yuan_Domestic News_Global Network\"\nSummary: \"September 11, 2015 - The 5.5-inch 16GB version of the iPhone 6S in black, white, and gold is priced at 16,800 yuan, while the rose gold version is 2,000 yuan more expensive, at 18,800 yuan. The most expensive 128GB version, regardless of color, requires a price of 21,000 yuan. Not only the price...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":211,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 187.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 211\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store): \"Tsinghua University Swimming Pool, which hosted the Olympic Games...\"\nSummary: \"dazongmei Tsinghua Swimming Pool, which hosted the Olympic Games, is indeed well-deserved. From the equipment to the water quality, it is much better than the general school swimming pool! I swam there several times and really enjoyed it! ! Sometimes you do have to wait for a while, but it is really worth it, strong...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.81 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":212,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 187.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 212\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 100.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":213,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 187.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 213\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.91 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":214,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 301.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Chen Ming Swimming Pool\"\nQuery Dwell Time: 59.09 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 214\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":215,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 475.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 215\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.42 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":216,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 305.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 216\nTitle: \"Comparison between \"Vikramaditya\" and Liaoning, Indians cried after watching it_India Bar_Baidu Post Bar\"\nSummary: \"Comparison between \"Vikramaditya\" and Liaoning, Indians cried after watching it. Only read the original poster. Collect. Reply to reality depression. King Kong 8. India has an aircraft carrier \"Vikramaditya\" (Sea Super Sun King). Indian experts said that this aircraft carrier will \"...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.58 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":217,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 305.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 217\nTitle: \"Comment: A direct comparison between the domestically produced aircraft carrier and the Liaoning\"\nSummary: \"A direct comparison between the domestically produced aircraft carrier and the Liaoning. The United States made shocking remarks, and the countries surrounding the South China Sea were slapped in the face! The United Nations criticized Japan with 218 recommendations, and Abe was infuriating. The United States was involved in a big incident, and Europe was hysterical and collectively criticized Russia. Qianlong left a life-saving talisman for Heshen...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.83 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":218,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 799.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 305.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 218\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 249.03 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":219,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 222.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for new employees, about 10 people\"\nQuery Dwell Time: 206.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 219\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":220,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 222.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for new employees, about 10 people\"\nQuery Dwell Time: 206.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 220\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"The following are team games suitable for employee training compiled and recommended by J.L, editor of Fresh Graduates Network. Please read for reference. Thousands of Smiles Project Type: Team Game Project Type: About 10 people per group Time: 3 minutes Venue: Indoor and outdoor...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":221,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended tourist attractions around Beijing\"\nQuery Dwell Time: 20.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 221\nTitle: \"\u3010National Day Beijing Tour\u30112017 National Day Beijing Tour Location Recommendations, National Day Beijing Tour Guide...\"\nSummary: \"Here, you can feel the imprint of history and the prosperity of modern times. It is definitely a good place to visit around Beijing during the National Day holiday. Recommended attractions in Tianjin: Wudadao: Wudadao is an indispensable scene in Tianjin postcards. It is one of the first famous historical and cultural streets in China. Leisure...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.86 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":222,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended travel around Beijing for one week\"\nQuery Dwell Time: 90.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 222\nTitle: \"\u301058.com\u3011Beijing Tourist Attractions List_Beijing Tourist Attractions Recommendations_Beijing Tourist Route Quotes\"\nSummary: \"Beijing Enxiaoxing Tourism Culture Co., Ltd. is located in Hengou, Nanfang, Fangzhuang Bridge, Fengtai District, Beijing... (Today) This price is only for reference. If you have any questions, please call our hotline: 01... (Today) Holidays need to be booked about a week in advance...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 56.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":223,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended travel around Beijing for one week\"\nQuery Dwell Time: 90.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 223\nTitle: \"[Beijing May Day Tour Recommendations] More than 50 attractions for May Day tours around Beijing - Mafengwo\"\nSummary: \"It covers 8 boutique tourist routes and 10 key destinations planned around Beijing's spring outings, flower viewing, cycling and other fun things in late spring and early summer, and also launched 55 tourist activities held in various districts and counties during the May Day Golden Week. Recommended routes: 1. Xiangshan Park...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":224,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel recommendation platform\"\nQuery Dwell Time: 68.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 224\nTitle: \"China Tourism Service Platform_Outbound Tourism Recommended Price Inquiry_Self-guided Tour Guide_Global Target...\"\nSummary: \"Start out rather than envy Diving the sea with fish swimming Eating around the world are the highest level of travel Sleeping all...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":225,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel recommendation platform\"\nQuery Dwell Time: 68.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 225\nTitle: \"Travel to Shangrao - Shangrao online tourist attractions, ecological agricultural products, specialty products, shopping and travel guide platform\"\nSummary: \"You Shangrao provides recommendations on Shangrao tourist attractions, green agricultural products and specialties of Shangrao tourist attractions, Shangrao travel guide, Shangrao travel... You Shangrao Tourism E-commerce Platform Legal Statement You Shangrao sincerely invites enterprises and institutions in Shangrao to strategically...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":226,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended tourist attractions around Beijing\"\nQuery Dwell Time: 249.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 226\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.03 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":227,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Recommended tourist attractions around Beijing\"\nQuery Dwell Time: 249.86 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 227\nTitle: \"2017 Beijing Surrounding Tourist Attractions List_Beijing Suburban Attractions Recommendations\"\nSummary: \"2017 Beijing surrounding tourist attractions list_Beijing suburban attractions recommendation, we can arrange travel routes for the requirements of corporate teams, according to the customer's car standards, accommodation standards, dining standards, special needs (hot springs, expansion, red, picking...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 149.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":228,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings One Week Tour\"\nQuery Dwell Time: 103.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 228\nTitle: \"Beijing One-week Self-guided Tour_Beijing Self-guided Tour Guide\"\nSummary: \"These days, the kids are on holiday and we are free, so we decided to travel to Beijing for a few days to feel the Olympic atmosphere. D1 Day For some reason, the air tickets from Hangzhou to Beijing are relatively cheap these days. We bought Air China's 30% off...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":229,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings One Week Tour\"\nQuery Dwell Time: 103.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 229\nTitle: \"[One-day tour in Beijing and surrounding areas | One-day tour attractions recommended | One-day tour group purchase] - Beijing Ganji.com\"\nSummary: \"Beijing Ganji.com One-day Tour Channel is the largest one-day tour service information free query and release platform in Beijing and its surrounding areas, including Beijing... Let tourists eat with confidence, stay comfortably, and have fun (1 week ago) Tourism Services (1 week ago) With the goal of \"making the journey more convenient...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":230,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding travel one week save money and convenient\"\nQuery Dwell Time: 135.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 230\nTitle: \"[There are mountains and water! Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas]_...\"\nSummary: \"Here you are, there are mountains and water! Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas Scan the QR code to read the post on your phone. The APP is fast and you can read the post anytime, anywhere. Level: High school students (first grade) Region: Beijing Model: Cruze ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":231,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 738.75 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding travel one week save money and convenient\"\nQuery Dwell Time: 135.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 231\nTitle: \"I want to take my parents to Beijing for the National Day holiday, which will take about a week. Can anyone give me a detailed guide? - ...\"\nSummary: \"Mafengwo Q&A > I want to take my parents to Beijing for National Day, the time is about a week, please give me a detailed guide. I want to take my parents to Beijing for National Day, but I don\u2019t know how to have fun? Because my father is seriously ill and is not suitable for a very tiring itinerary, so I plan...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":232,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 45.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 232\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":233,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to choose a fixed gear bike\"\nQuery Dwell Time: 139.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 233\nTitle: \"How to choose a fixed gear bicycle? - Zhihu\"\nSummary: \"Log in Join Zhihu How to choose a fixed gear bike? Show all Followers Viewed Add a comment Share Invite to answer Follow the question Write an answer Does anyone know how to check the size of a fixed gear tire? 0 Add a comment Share Collect Thanks Close\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":234,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to choose a fixed gear bike\"\nQuery Dwell Time: 139.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 234\nTitle: \"5 things to remember when choosing a fixed gear bike?\"\nSummary: \"Usually, there is no specific standard for choosing a fixed gear bike. In fact, it is very simple. Usually, we pay attention to the size of the top tube and seat tube of a fixed gear bike. How to distinguish the genuine Forever brand fixed gear bike? Guangdong ICP preparation...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 67.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":235,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to choose a fixed gear bike\"\nQuery Dwell Time: 139.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 235\nTitle: \"What is a fixed gear? How to choose and ride a fixed gear (7) - Sanjiu Health Hall\"\nSummary: \"Speaking of fixed gear, many young people should know that it is a very cool sport. Many trendy people like fixed gear, not only because of the bright colors, which can show personality, but also because of the various braking techniques, which are also very challenging. Today, Xiao...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":236,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where can I buy a fixed gear bicycle?\"\nQuery Dwell Time: 16.38 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 236\nTitle: \"[07-31]Do you know where to buy fixed gear bicycles? _Xiaoyu Q&A_Xiamen Xiaoyu Community_Xiamen...\"\nSummary: \"Bicycles for sale? What is a fixed gear? What is that? Just search on Baidu. Don\u2019t you know? Last time I asked Renwoxing, they said they would have one. Where is Renwoxing? There is a Tuobu Bicycle store in Yuxiuli that sells fixed gears. Their official website. I have 888...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":237,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bikes How to Buy\"\nQuery Dwell Time: 63.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 237\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"The most serious problem is the habit of riding a bicycle. Many friends who ride fixed gear bicycles will make a mistake, staring at the front wheel. Especially for a fixed gear bicycle with poor braking ability, it is difficult to stop when encountering danger. If you still stare at the front wheel, you will...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 22.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":238,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bikes How to Buy\"\nQuery Dwell Time: 63.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 238\nTitle: \"Where to buy a fixed gear bicycle - fixed gear bicycle store - fixed gear bicycle speed - what is a fixed gear bicycle...\"\nSummary: \"Fixed Gear Bicycle Hot Recommendations The most popular fixed gear bicycles shared by netizens, where to buy fixed gear bicycles, fixed gear bicycle prices! Free shipping\/reverse riding DIY free color matching live fixed gear bicycles five dollars for a whole vehicle\/fixed gear bicycles\/women's fluorescent INBIKE high-end fixed gear bicycles...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.85 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":239,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bikes How to Buy\"\nQuery Dwell Time: 63.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 239\nTitle: \"Where can I buy a fixed gear bicycle at a low price? - Home decoration interactive question and answer\"\nSummary: \"I want to buy two fixed gears. Anyone who knows about fixed gears can give me some advice? 1 answer Good furniture packaging. I suggest you go to local specialty stores to check it out. I didn\u2019t choose any online. Novice fixed gear bicycles: low-end ones are suitable for students to learn to ride for the first time. The online prices are around 600 yuan. The quality is good...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":240,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua fixed gear where to buy\"\nQuery Dwell Time: 31.35 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 240\nTitle: \"[Qinghe second-hand venue\/fixed gear|Qinghe second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Beijing Fixed Gear Park Bicycle Shop (100 meters north of the west gate of Tsinghua University, Zhongguancun, Haidian District, Beijing\u2026Haidian - Tsinghua University\/ 10-28 2168 yuan 1 free subscription Qinghe venue\/Fixed Gear related information Qinghe venue\/Fixed Gear brand navigation A Qinghe venue\/...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":241,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear store near Tsinghua University\"\nQuery Dwell Time: 67.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 241\nTitle: \"Fixed Gear Store Prices_List.com Q&A\"\nSummary: \"A: There is a physical store selling fixed gear near the west gate of Tsinghua University. A: 1. Uriage fixed gear. Uriage fixed gear is located in Wudaoying Hutong, Lama Temple. The store is not big, but the range of parts and colors is quite wide. The price is also the most expensive in Beijing, starting at about 2800...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":242,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 743.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear price range\"\nQuery Dwell Time: 90.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 242\nTitle: \"\u3010Photo\u3011380 new coaster with brakes, selling at a discount price below factory price to clear stock. Last 200 units, sold out - ...\"\nSummary: \"Statement: All models are priced between 200 and 2000, and the highest end is no more than 6000. The manual, warranty, and invoice are complete. ... 380 new coaster with brakes, sold at a discount below the factory price to clear the inventory. The last 200 units, sold out\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 76.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":243,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage instructions for flying to the United States\"\nQuery Dwell Time: 312.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 243\nTitle: \"How much carry-on luggage can I take on international flights? - Mafengwo\"\nSummary: \"Generally, the luggage of low-cost airlines is purchased separately. Other flights to the United States are generally around 23Kg~30Kg (economy class), and the hand luggage is generally 8Kg per person (one bag per person, and a small cross-body bag is not counted) Copyright business card? Going on your own is the most luxurious thing in life...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 56.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":244,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage instructions for flying to the United States\"\nQuery Dwell Time: 312.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 244\nTitle: \"[Airplane luggage] How much luggage can you carry on a plane to the United States? Including checked luggage and carry-on luggage...\"\nSummary: \"[Airplane luggage] How much luggage can be carried on a plane to the United States? Including checked luggage and carry-on luggage. Friendly reminder: Recently, there is a saying in the United States that 19-inch luggage is not allowed on board, and 20-inch luggage is not allowed (please check)\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 154.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":245,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage instructions for flying to the United States\"\nQuery Dwell Time: 312.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 245\nTitle: \"Guide to using luggage when traveling to the United States - Luggage size and weight regulations of major airlines -\"\nSummary: \"However, when you arrive in the United States and fly to other small cities, there may be small planes that cannot be carried in the luggage compartment. But don't worry, this carry-on baggage will not be counted as your checked luggage. You can still pull the baggage to the boarding gate, but on the boarding...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 76.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":246,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage size and weight restrictions for flights to the United States\"\nQuery Dwell Time: 82.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 246\nTitle: \"The latest regulations on checked baggage for each airline flying to the United States_US air tickets and travel\"\nSummary: \"(114 linear cm) Carry-on bag: UA does not have specific regulations for this, but only states that it should be large enough to fit under the seat. 3. Continental (Continental Airlines, which has merged with UA, has the same baggage requirements as UA. Please Refer to above...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":247,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage do you need to carry on your flight to the United States?\"\nQuery Dwell Time: 42.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 247\nTitle: \"[Requirements for boarding a plane] What are the requirements for bringing luggage to the United States? \/ I heard that it seems that you can't bring carry-on luggage now...\"\nSummary: \"[Requirements for boarding the plane] What are the requirements for bringing luggage to the United States? \/ I heard that it seems that you can't bring anything on the plane with you now? ? ... 2. Can you bring a fruit knife on the plane? No. Knives cannot be brought on board and must be checked in. 3. Liquids, gels and sprays...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.83 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":248,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage do you need to carry on your flight to the United States?\"\nQuery Dwell Time: 42.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 248\nTitle: \"Questions about carry-on baggage for domestic flights in the United States - Yue Travel\"\nSummary: \"Because the navigator has batteries, it must be carried with you and cannot be checked in. Carrying the navigator with you When I went to the United States, the navigator was also checked in. I was going to fly from LA to NYC on October 2. I heard that there is no free luggage on domestic flights in the United States. The two of us only brought one...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":249,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage do you need to carry on your flight to the United States?\"\nQuery Dwell Time: 42.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 249\nTitle: \"The latest regulations on checked baggage for each airline flying to the United States_US air tickets and travel\"\nSummary: \"The latest regulations on checked baggage for American Airlines American Airlines checked luggage... in\/25cm height.) Carry-on bag (laptop bag): The AA official website does not specify that a carry-on bag is allowed... This...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.44 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":250,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage must be checked in when flying to the United States?\"\nQuery Dwell Time: 28.79 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 250\nTitle: \"New regulations for checked baggage when flying to the United States [Numbers speak... We can't afford to mess with checked baggage] - [Everyone shares...\"\nSummary: \"So the baggage check-in before boarding is more or less different for each airline, such as price, weight limit, etc. Let's take a look at the new regulations of some airlines in the United States and China for checked baggage. First of all, I would like to remind you...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.56 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":251,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage must be checked in when flying to the United States?\"\nQuery Dwell Time: 28.79 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 251\nTitle: \"USA Luggage Shipping Page 8 - Yue Travel\"\nSummary: \"Except for one domestic section in the United States, which is an AA flight, the rest of the flights, including domestic flights to the United States, are all UA flights. May I ask why... 2. If there are liquids in the health products, they cannot be placed in hand luggage and must be checked in. It's OK~ Generally, they are placed in the box...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":252,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 624.44 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What can't you bring on board when flying to the United States?\"\nQuery Dwell Time: 105.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 252\nTitle: \"I need to take a plane to study abroad. How heavy can I bring? What can't I bring on the plane?\"\nSummary: \"Digital camera (you can also buy it in the US, but SD cards are more expensive in China and the US) Computer accessories: Network cable (rented outside... You can look at what is written on the ticket. Generally, student tickets are about 30kg, and hand luggage is 5-8kg. Liquids cannot be brought on board,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":253,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.08 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 253\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":254,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 136.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 254\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.18 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":255,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 136.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 255\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.1 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":256,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 154.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 256\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.48 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":257,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 154.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 257\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"Ten best ways to quit smoking. A must-read guide for beginners of Attack on the Devil. Game guide of Attack on the Devil. Video guide of the hidden maze of Final Fantasy 15. How to pass the maze of Final Fantasy 15? A quick guide for beginners of Everyday Speed. Guide of Everyday Speed \u200b\u200bfor Onmyoji...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.74 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":258,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 391.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 154.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 258\nTitle: \"How to quit smoking_How to quit smoking-Yiche.com\"\nSummary: \"He may tell you some ways to quit smoking, or introduce you to a smoking cessation program organized by a local community. ... The best and most effective way to quit smoking - Changpei Quit Smoking Do you know the best way to quit smoking? The best way to quit smoking recommended by doctors...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":259,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 259\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.08 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":260,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 260\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.69 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":261,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 261\nTitle: \"Google Glass will remove restrictions on mobile phone types for many functions | Google Glass | mobile phone | function_Internet_...\"\nSummary: \"May 3, 2013 - On the evening of May 3, Beijing time, the US technology blog TechCrunch reported that a person from Google in New York said this week that the functions provided by Google Glass will be independent of the mobile phone it is paired with in the future, and will even be independent...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.83 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":262,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 262\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.44 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":263,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 230.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 263\nTitle: \"What are the functions of Google Glass?\"\nSummary: \"\u3010Introduction\u3011Wuyoukao.com has compiled the following application functions of Google Glass for everyone, hoping to be helpful to everyone. Feature 1: Small but powerful Google Glass contains a lot of high-tech, including Bluetooth, Wi-Fi, speakers, cameras...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":264,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Use\"\nQuery Dwell Time: 57.09 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 264\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"At the same time, press the button on the front of the base to synchronize, so that your Google Glass can be used wirelessly. Attachment: Please make sure that the mouse is at a suitable distance from the power base and there is no strong electromagnetic interference nearby. (2017-11-...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.59 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":265,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Use\"\nQuery Dwell Time: 57.09 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 265\nTitle: \"Google Glass official user guide released - CSDN Blog\"\nSummary: \"Therefore, Google recently released a guide to using the device for Google Glass explorers: What you can or need to do is: 1) Explore the world around you: When you wear Google Glass to explore the world around you, keep your head up and never look down...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":266,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 177.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 266\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass [ati bar]_Baidu Post Bar\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.17 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":267,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 177.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 267\nTitle: \"The correct use of Google Glass-PPS video\"\nSummary: \"Press and hold the video to drag the correct usage of Google Glass People have subscribed to play: Download | Coming soon Loading...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 110.07 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":268,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 177.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 268\nTitle: \"Google: The correct way to use Google Glass: Micro-interaction - Internet - Vision Forum - Microsoft Geeks...\"\nSummary: \"According to the BBC, Google recently warned people not to use Google Glass for a long time because it may cause pain. Google said that Google Glass is not for reading \"War and Peace\" and the eyes need time to adapt. Previously, some users complained that wearing Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.52 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":269,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 269\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.73 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":270,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 270\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.7 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":271,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 271\nTitle: \"How much does Google Glass cost?\"\nSummary: \"If you look closely, you will know the difference. How much does Google Glass cost now? Where can I buy it? A few days ago, there was a limited sale, the price was $1,500. And it was only sold in the United States. And it was only sold for one day. So there is no place to sell it now, of course...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.99 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":272,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 272\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.85 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":273,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 273\nTitle: \"Google Glass for sale Google Glass price - Zhiqu.com\"\nSummary: \"Google Glass features include adjustable nose pads, a 5-megapixel camera, and micro-USB charging. From the official... KitKat operating system. Currently, this pair of glasses is available for sale at the merchant \"Jindong Huihuang\" for 18,500 yuan. If you need...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":274,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 274\nTitle: \"Google Glass for sale Google Glass price - Zhiqu.com\"\nSummary: \"Google Glass features include adjustable nose pads, a 5-megapixel camera, and micro-USB charging. From the official... KitKat operating system. Currently, this pair of glasses is available for sale at the merchant \"Jindong Huihuang\" for 18,500 yuan. If you need...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":275,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 275\nTitle: \"Google Glass was launched for sale yesterday: the price is over 10,000 RMB_IT Breaking News_Nanfang.com\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 16\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":276,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 239.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 276\nTitle: \"Priced at $1,500, is Google Glass worth it? Anhui Daily\"\nSummary: \"May 15, 2014 - Google may release a \"consumer version\" of Google Glass later this year, and said that the price of the glasses will be much lower by then. Xinhua News Agency reporter Ma Dan (According to Xinhua News Agency San Francisco May 13)\"\nRank: 20\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":277,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 58.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 277\nTitle: \"How much does Google Glass cost?\"\nSummary: \"Google Glass is pretty good, and its functions are very powerful: Feature 1: Small but powerful Google Glass contains a lot of high-tech, including Bluetooth, Wi-Fi, speakers, cameras, microphones, touch pads and gyroscopes that help you detect tilt. And the most...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":278,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 953.59 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 58.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 278\nTitle: \"How much will Google Glass sell for in China? -Googleglass 3 - ZOL Q&A\"\nSummary: \"How much will Google Glass sell for in China? Views Followers You can invite high-quality answerers to answer your questions faster hocok has 1660 answers in the mobile digital category ace09 has 664 answers in the mobile digital category In mobile digital...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":279,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 279\nTitle: \"iPhone 6 will be launched in China on the 17th of this month, and the price of parallel imports has dropped by 60% - Society - Shunwang News\"\nSummary: \"October 6, 2014 - The new iPhone will be launched in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5288 yuan and 6088 yuan respectively. Plus will be launched in mainland China on October 17. The sudden news made Apple fans very happy...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":280,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 280\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"Apple fans in China are finally waiting for the new iPhone to be released. It is reported that the Ministry of Industry and Information Technology has confirmed the release of the Internet license for iPhone 6. The new iPhone will be released in China on October 17. The prices of iPhone 6 and iPhone 6 Plus are 5288 yuan and...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 95.86 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":281,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 281\nTitle: \"iPhone 6 will be launched in China on the 17th of this month, and the price of parallel imports has dropped by 60% - Society - Shunwang News\"\nSummary: \"October 6, 2014 - The new iPhone will be launched in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5288 yuan and 6088 yuan respectively. Plus will be launched in mainland China on October 17. The sudden news made Apple fans very happy...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":282,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 219.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 282\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"Apple fans in China are finally waiting for the new iPhone to be released. It is reported that the Ministry of Industry and Information Technology has confirmed the release of the Internet license for iPhone 6. The new iPhone will be released in China on October 17. The prices of iPhone 6 and iPhone 6 Plus are 5288 yuan and...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":283,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Is there any tax if I bring iPhone 6 back from Hong Kong?\"\nQuery Dwell Time: 25.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 283\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":284,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 130.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 284\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"Broadway and Fortress are the main places that sell iPhones in Hong Kong, but these places will \"force\" you to buy some extras... Online booking If you want to order on the official website in Hong Kong, you must first have a dual-currency credit card (visa,...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.58 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":285,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 130.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 285\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.1 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":286,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 130.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 286\nTitle: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? - Mafengwo\"\nSummary: \"iPhone6 \u200b\u200bcan be bought directly in , it is in stock, no reservation is needed, the store staff will patiently explain everything to you, and will teach you how to use it even if you don't know how to use it, and help you register and activate it. The chance of being checked is not very high, but if it is checked, you will have to pay about...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 95.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":287,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 287\nTitle: \"Do Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":288,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 288\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks_NetEase Technology\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":289,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 289\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":290,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 539.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 71.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 290\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":291,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where is Tsinghua Swimming Pool?\"\nQuery Dwell Time: 25.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 291\nTitle: \"...(near Wudaokou) How to get there, Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Location...\"\nSummary: \"The map of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) will help you find where Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is. You can also find the route to Chen Ming Swimming Pool (Tsinghua University Swimming Pool) from the map.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":292,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 96.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 292\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":293,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Winter Time\"\nQuery Dwell Time: 147.21 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 293\nTitle: \"...Tsinghua University Swimming Pool Store Business Hours Details - How to get to Tsinghua University Swimming Pool and Public Transportation Information\"\nSummary: \"Special offer circle provides discount activities for shops in Tsinghua University Swimming Pool in Beijing, reviews of Tsinghua University Swimming Pool life consumption, leisure and entertainment Tsinghua University Swimming Pool, No. 30 Shuangqing Road, Haidian District, Tsinghua University (near Wudaokou)\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 93.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":294,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Student Ticket Price\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 294\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"Ji_Mi Yangguang's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The student price of 7 yuan is still very cheap, and there are often many people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, and there are diving...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":295,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Student Ticket Price\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 295\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"A very good swimming pool. The water temperature in winter...\"\nSummary: \"DPCNM's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): Very good swimming pool. The water temperature is suitable in winter, and there is floor heating, which is very comfortable. It is very cheap for students, faculty and staff and their families on campus, but there are a lot of people, and the shallow water area is basically...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":296,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Student Ticket Price\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 296\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":297,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 58.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 297\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"(400 yuan, 40 times, valid for 2 months. I used to buy 300 yuan for 30 times and valid for 3 months, but now it is no longer available). If you don\u2019t use it too often, you can buy a 3-month season pass issued by the Haidian Swimming Pool, which is slightly more expensive than the one at Tsinghua University\u2026\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":298,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 298\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.19 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":299,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 299\nTitle: \"For sale Tsinghua University Chen Ming Swimming Pool Teacher Card Sarah Shuimu Community\"\nSummary: \"[upload=1][\/upload] The card has 30 times in total and 15 times are unused. It is sold for 100 yuan. Note: You need to bring your Tsinghua faculty ID to go swimming. If you need it, please contact us on the site\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":300,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 300\nTitle: \"HeidiJJ's review on Chenming Swimming Pool (Tsinghua University Swimming Pool) -...\"\nSummary: \"I miss the time when I was in school. If I applied for a 30-time card, I could enjoy a discount of 5 yuan per time. The bathhouse in Tsinghua University (at least when I was in school... Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store)\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.2 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":301,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool Card\"\nQuery Dwell Time: 97.57 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 301\nTitle: \"[Information] Transfer of an anonymous Chen Ming Swimming Pool 30-time student card (new)\"\nSummary: \"Post number: 5 Page: Share to: Article topic: [Intelligence] Transfer of an anonymous Chen Ming Swimming Pool 30-time student card (brand new) Hungry stomach Identity User Article Constellation Scorpio Points Level Yunshan (7) Sender: cdjqsh (Hungry...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":302,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 800.59 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much is the Tsinghua University swimming card?\"\nQuery Dwell Time: 54.37 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 302\nTitle: \"Transfer Tsinghua University Swimming Card_Huilongguan Online Trading Market_Huilongguan Community Network\"\nSummary: \"I bought two swimming cards before the price of Tsinghua University increased on October 1. Now I am busy with the teaching evaluation of Forestry University and I have no time to go swimming. I still have 13 three-hour sessions on the swimming card. The current price of Tsinghua University is...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":303,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 359.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 13.86 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 303\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":304,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 359.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 333.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 304\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.13 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":305,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 292.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 305\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 193.53 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":306,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 292.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 306\nTitle: \"\"Ice Breaking\" Game_ Life Guide Success Inspirational Network\"\nSummary: \"This \"icebreaker\" game helps people relax and become willing to socialize and learn from each other. Several ways to play this game: Examples of low-risk icebreaker games include: Let people introduce themselves. Two people form a pair, and each partner introduces the name of the other partner in the same group...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":307,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 307\nTitle: \"Ice-breaking game for new employee training\"\nSummary: \"Just like breaking the thick ice in winter. Ice-breaking games help people relax and become willing to communicate and learn from each other. Here in the game hall, we have prepared training games for new employees to get to know each other and familiarize themselves with the company. Ice-breaking games are a popular way for many trainers...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.34 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":308,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 308\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.7 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":309,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 309\nTitle: \"nan\"\nSummary: \"nan\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":310,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 310\nTitle: \"Collection of ice-breaking games for corporate training_ice-breaking games_party games\"\nSummary: \"1. First meeting The first 3 minutes is the most important moment for you to leave a first impression on others. Before the training activity begins, how to make everyone more active is the key to the success of the training. First meeting game: Step 1: 1. Give each person a...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":311,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice-breaking games for new employees\"\nQuery Dwell Time: 103.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 311\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Answer freely [Ice-breaking game] Number of participants: 4 people in a group Time: 15 minutes Venue: Unlimited Props: None Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Use to liven up the atmosphere before training and meetings Under great pressure...\"\nRank: 12\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":312,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game: 10 people\"\nQuery Dwell Time: 52.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 312\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":313,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game: 10 people\"\nQuery Dwell Time: 52.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 313\nTitle: \"Ice-breaking game: Find people in the same group_Chengzhi Development\"\nSummary: \"Activity type: Ice-breaking games\/grouping skills Activity form: All participants Time required: 5 to 10 minutes Venue requirements: Meeting room Required materials: Make several sets of puzzles, each set of puzzles consists of 4 boards Activity purpose 1. Liven up the atmosphere...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 36.84 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":314,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 577.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 77.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 314\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.94 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":315,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 315\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.74 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":316,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 316\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":317,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 317\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.6 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":318,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 342.56 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 318\nTitle: \"Beijing Surrounding Tours\"\nSummary: \"Collection Really complete, go one by one! Beijing surrounding tourist attractions Miyun County Jinshanling Great Wall Miyun Black Dragon Pool Baimaguan Fort Yunxiu Valley Natural Scenic Area Tianchi Nine Dragon Pool Black Mountain Temple Scenic Area Yunmeng Gorge Wuzuolou Forest Park Wuling Mountain Yunfeng Mountain Biqingyuan Wind...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 145.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":319,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding area tour one week\"\nQuery Dwell Time: 74.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 319\nTitle: \"Beijing One-week Self-guided Tour_Beijing Self-guided Tour Guide\"\nSummary: \"These days, the kids are on holiday and we are free, so we decided to travel to Beijing for a few days to feel the Olympic atmosphere. D1 Day For some reason, the air tickets from Hangzhou to Beijing are relatively cheap these days. We bought Air China's 30% off...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":320,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding area tour one week\"\nQuery Dwell Time: 74.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 320\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.33 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":321,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding area tour one week\"\nQuery Dwell Time: 74.36 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 321\nTitle: \"\u3010Beijing District Tours | Surrounding Tours | Surrounding Tours Travel Network\u3011-Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com's Suburban Tours channel is a professional free inquiry and release platform for Beijing's suburban tours service information, including suburban tours, surrounding tours, surrounding tours travel websites, suburban tours service telephone numbers, prices and other information. To find Beijing suburban tours services, please go to Ganji.com...\"\nRank: 11\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":322,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 322\nTitle: \"A review of eight characteristic towns around Beijing in 2015 - Beijing suburbs holiday resorts and leisure destinations_Tourism_CCTV.com...\"\nSummary: \"Come and have a look at the characteristic towns around Beijing with your money! Miyun Gubei Water Town Gubei Water Town is located in Gubeikou Town, Miyun County, Beijing. It is backed by the most beautiful and dangerous Simatai Great Wall in China and sits on the Yuanyang Lake Reservoir. It is a rare natural town combining mountains, water and city in the suburbs of Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.0 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":323,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 323\nTitle: \"The five most fashionable resorts around Beijing_Beijing Tourism Network\"\nSummary: \"Today, the editor of Beijing Tourism Network recommends several stylish resorts for you, so that you can see the world without leaving Beijing! Huairou Queenstown: Invite you to watch the stars in the attic Do you know the leisure and holiday community in Queenstown? You must say: I know, in New Zealand...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.77 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":324,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 324\nTitle: \"Vacation and leisure tours - Beijing 58.com\"\nSummary: \"For vacation and leisure travel, Beijing Sun City Olympic Club has joined RCI (Global Vacation Network). RCI has more than 4,200 resorts in 102 countries around the world. Through RCI's huge resort network, Beijing Sun City Olympic...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 151.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":325,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing surrounding areas, tourism, leisure and vacation\"\nQuery Dwell Time: 219.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 325\nTitle: \"\u3010Elf Valley Resort Official Website\u3011|Miyun Tourism and Leisure around Beijing\"\nSummary: \"Beijing Surrounding Tourism | Miyun Tourism | Beijing Fairy Valley Resort integrates catering, entertainment, leisure, conferences, scenic area tours, and development training; since its establishment, it has become one of the large-scale and high-end comprehensive tourist resorts in Miyun's tourism industry. Whether you...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.7 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":326,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"5-Day Tour: Beijing Surroundings\"\nQuery Dwell Time: 101.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 326\nTitle: \"5-day tour around Beijing or more\"\nSummary: \"Ocean International Travel Agency Sitongqiao Branch Beijing 5-day tour price quote_Beijing 5-day tour best route_Beijing 5-day tour price_... Xinxin Travel Network (CNCN.com) provides you with 5-day tours around Beijing and above released by Xinxin high-quality travel agencies...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":327,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"5-Day Tour: Beijing Surroundings\"\nQuery Dwell Time: 101.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 327\nTitle: \"Beijing 5-day tour_Beijing 5-day tour route\"\nSummary: \"Beijing Tourism Network provides you with the five-day tours in Beijing and the five-day tours around Beijing published by Xinxin Quality Travel Agency. Beijing five-day tour price_Beijing five-day tour quotation_How much does it cost to travel to Beijing? Beijing China Travel Service Co., Ltd. Daguanying...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 89.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":328,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 901.09 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Mulan Paddock\"\nQuery Dwell Time: 61.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 328\nTitle: \"Mulan Weichang Tourism Network. Mulan Weichang\u2019s professional tourism consulting and landscape photography website!\"\nSummary: \"Mulan Weichang Tourism Network promotes the tourism route of Chengde Mulan Weichang Bashang Grassland, showcases the beautiful scenery of Mulan Weichang, provides Mulan Weichang Bashang horse riding, Mulan Weichang entertainment, Mulan Weichang roasted whole lamb, Mulan Weichang accommodation services, Mulan Weichang Bashang Grassland...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":329,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 244.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 329\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.42 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":330,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 244.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 330\nTitle: \"Fixed Gear Bike_Bicycle_Company_China Bicycle Network\"\nSummary: \"China Bicycle Network Fixed Gear Bicycle Company Yellow Pages brings together tens of thousands of fixed gear bicycle manufacturers. You can check the company details, credit records, fixed gear bicycle supply and demand information, product catalogs, etc. of fixed gear bicycle manufacturers here. China Bicycle...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":331,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 244.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 331\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 226.0 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":332,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 332\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.55 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":333,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 333\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 52.69 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":334,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 334\nTitle: \"Price of genuine fixed gear bicycle\"\nSummary: \"It's time for Japan to take the stage in the fixed gear bike market: Keirin is commonly known as a bicycle race on a track. This sport also has... The price of this brand is basically a bargain in the United States, but the product is still good. Recommended frame (but it is not mainstream in China...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":335,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 335\nTitle: \"Entry-level fixed gear bike prices\"\nSummary: \"So the overall price of small fixed gear is not as cheap as we imagined, but it is not exaggerated either. It is usually the same as the same... Kunming Fixed Gear - How much does a fixed gear bicycle cost? How much is a fixed gear bicycle suitable for beginners?\"\nRank: 14\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":336,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 336\nTitle: \"Fixed gear bicycle price\"\nSummary: \"Entry-level fixed gear bike price Entry-level fixed gear bike price Fixed Gear is the same type of bicycle as TrackBike (track bicycle), but the riding area is not limited to the stadium. In Japan, there are track bicycle competitions in the form of classic gambling...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":337,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 139.11 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 337\nTitle: \"What is the general price of a fixed gear bicycle?\"\nSummary: \"Feigu Fixed Gear Bicycle Colorful Bicycle Trendy Bicycle Road Bike You can freely choose the color matching DIY color matching Our products are sold directly by the factory. The factory specializes in manufacturing bicycles, mainly sold to the European and American markets, and the spare parts are all Taiwanese factory parts, quality assurance, and preferential prices...\"\nRank: 12\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.12 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":338,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 84.34 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 338\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.74 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":339,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 84.34 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 339\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Click on the image to see a larger image Product: 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Unit Price: Negotiable ...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.42 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":340,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy a fixed gear bike\"\nQuery Dwell Time: 60.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 340\nTitle: \"[Buying a fixed gear bike] Asking for advice! What are fixed gear bikes like? \u2014 Ask the Knowledge\"\nSummary: \"[Buying a fixed gear bike] Asking for advice! How is a fixed gear bike? It is still OK as a means of transportation, but some cities prohibit fixed gears from being used on the road. How to brake\/reverse on a fixed gear bike, mountain bike, ordinary commuter bike, downhill bike, climbing bike, etc.?\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.65 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":341,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 609.9 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy a fixed gear bike\"\nQuery Dwell Time: 60.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 341\nTitle: \"Luminous fixed gear bicycle price\"\nSummary: \"First of all, let me tell you that you are here to buy a fixed gear bike, not a piece of junk. Those fixed gear bikes that are advertised everywhere as 288 yuan a pack... For example, those fixed gear bikes that cost more than 200 yuan are no different from ordinary bicycles when they are pedaled. You call them \"fixed gears\"...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":342,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 272.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights - baggage regulations\"\nQuery Dwell Time: 260.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 342\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":343,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 272.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights - baggage regulations\"\nQuery Dwell Time: 260.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 343\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free checked baggage allowance for Dragonair's international flights is as follows: Passengers traveling to and from the United States and Canada can check in 2 pieces of luggage for free, and the weight of each piece of luggage must not exceed 32 kg; Passengers on other routes can check in 40 kg for first class and 40 kg for business class.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":344,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 272.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights - baggage regulations\"\nQuery Dwell Time: 260.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 344\nTitle: \"International Flight Baggage Regulations_Baidu Library\"\nSummary: \"Creator: tumbler 52 Collection: 29988 Views: Collection: User rating: 0.0 0 people have rated Introduction: International flight baggage regulations Keywords: No keywords Total 6 documents Format Document name User rating Views Download...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 90.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":345,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 345\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.59 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":346,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 346\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.22 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":347,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.11 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 347\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.03 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":348,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.11 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 348\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.19 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":349,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 175.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.11 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 349\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":350,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 124.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 350\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.06 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":351,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 124.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 351\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":352,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 124.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 352\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 91.38 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":353,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 63.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 353\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.55 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":354,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 258.29 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 63.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 354\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.46 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":355,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice hong kong\"\nQuery Dwell Time: 100.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 355\nTitle: \"Where to buy iPhone 6 cheapest? iPhone 6 price comparison and Hong Kong purchasing\"\nSummary: \"Below, Apple Garden editors have listed the initial prices of various versions of iPhone 6 in RMB, hoping to provide a reference for your purchase. (Calculated at the exchange rate on September 10, China time) Click the upper right corner to start booking Apple Hong Kong mobile phone Hong Kong: 16G ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":356,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice hong kong\"\nQuery Dwell Time: 100.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 356\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.22 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":357,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 357\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.67 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":358,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 358\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.17 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":359,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 359\nTitle: \"All questions about iPhone 6 when shopping overseas: strategies, models, tariffs, shipping and warranty_Geek Overseas...\"\nSummary: \"How to solve the problem of shipping iPhone 6 from overseas? How to buy ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":360,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 360\nTitle: \"Will bringing the Hong Kong version of the iPhone 6 into the country be considered smuggling? - Articles Clearance - China Customs Lawyers Network\"\nSummary: \">>I want to consult a professional lawyer. Will a Hong Kong woman be prosecuted if she is caught smuggling iPhones as a smuggler? Do I have to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? Is it considered personal use if I bring a mobile phone for a friend during the National Day holiday? The owner does not have...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.78 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":361,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 361\nTitle: \"All questions about iPhone 6 when shopping overseas: strategies, models, tariffs, shipping and warranty_Geek Overseas...\"\nSummary: \"How to solve the problem of shipping iPhone 6 from overseas? How to buy ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":362,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 362\nTitle: \"Apple fans buy iPhone 6 in Macau, and the price is still cheaper than Zhuhai after paying taxes_Sina Zhuhai\"\nSummary: \"September 11, 2014 - Mobile phones for personal use should be declared for customs duties. A reporter from Nandu learned yesterday that the tax rate for mobile phones in the \"import tax on luggage and mail items\" for passengers' own mobile phones has been reduced to 10%. The Hong Kong version of the iPhone 6 is priced at 16...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":363,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version tariff\"\nQuery Dwell Time: 176.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 363\nTitle: \"Which is better, the Hong Kong version of iPhone 6 or the Chinese version? _Computer network question_Tubatu ask\"\nSummary: \"But it can be repaired in mainland China. Due to tariffs, the price is higher than that of Hong Kong. In addition, Hong Kong supports 4G... And because the Japanese iPhone 6 & 6 Plus has an unlocked version for the first time and has always had an ultra-low price, it also makes...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 32.39 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":364,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 86.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 364\nTitle: \"Do the Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":365,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 86.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 365\nTitle: \"Mainland China missed Apple's first Hong Kong version of iPhone 6, and the price was nearly 10,000 yuan | iPhone | License | Operator_Sina Finance...\"\nSummary: \"September 11, 2014 - Apple's sudden change of heart has undoubtedly embarrassed domestic operators. Previously, the three major operators have been very active in iPhone 6 reservations and have opened reservation channels on their official websites. Shanghai Unicom announced at the beginning of this month that it could...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":366,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 366\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than domestic ones, and iPhone 6 is no exception. Many people who plan to travel to Hong Kong... About RMB 5691\/iPhone 6 Plus is about RMB 6404. But there are also some ways to buy an iPhone in Hong Kong...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":367,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 367\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt online appointment lottery, and then... This depends on personal luck. Although it is troublesome to buy Hong Kong version iPhone 6, the biggest obstacle is lack of money, of course...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":368,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 368\nTitle: \"What should I pay attention to when buying an iPhone in Hong Kong? What should I pay attention to when buying an iPhone 6 in Hong Kong? _Express Review...\"\nSummary: \"What should I pay attention to when buying an iPhone in Hong Kong? Can I use a credit card (UnionPay and MasterCard are supported)? Go through the UnionPay channel: In Hong Kong... Hello, the Hong Kong version of the iPhone 6 model is A1586. This is the three-network version. The Hong Kong version of the iPhone 6 has A1549 and A1...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 62.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":369,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 541.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version - how to buy in Hong Kong\"\nQuery Dwell Time: 98.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 369\nTitle: \"If you buy the Hong Kong version of iPhone 6 in a store in Hong Kong, you need to unlock it after bringing it back to mainland China...\"\nSummary: \"If you buy the iPhone 6 Hong Kong version in a Hong Kong store, you need to unlock it after you bring it back to the mainland, right? [Picture] Answers Views Followers 8 Answers 15b The Hong Kong version is unlocked, but there is no warranty in the mainland. Considering the price and the fact that iPhones generally don't break...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.59 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":370,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 370\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.2 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":371,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 371\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":372,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 372\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":373,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 373\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":374,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 85.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 374\nTitle: \"[Tsinghua University Swimming Tickets | Tsinghua University Swimming Tickets Transfer Information] - Beijing 58.com\"\nSummary: \"Tsinghua University Swimming Tickets Channel provides you with Tsinghua University Swimming Tickets Inquiry and Tsinghua University Swimming Tickets Transfer Information for you to choose from. You can view and publish Tsinghua University Swimming Tickets Information and Tsinghua University Swimming Tickets Transfer Information for free. Thank you...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 58.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":375,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 375\nTitle: \"[Tsinghua University Chen Ming Swimming Pool Parking Lot] Tsinghua University Chen Ming Swimming Pool Parking Lot Phone, Tsinghua...\"\nSummary: \"Address: Near Chen Ming Swimming Pool, Tsinghua University, Haidian District, Beijing Phone No, I will add Category: Parking Lot Traffic Guide Bus stops near Chen Ming Swimming Pool Parking Lot, Tsinghua University: Dashiqiao, Dashiqiao South, Dashiqiao North, Qianbajia, Shuang...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.74 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":376,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 376\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":377,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 377\nTitle: \"Beijing - Tsinghua University Chen Ming Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Chen Ming Swimming Pool is located at Tsinghua University, No. 30 Shuangqing Road, Haidian District, Beijing. Tel: 010-62792477; 010-62792475. Sogou Map provides you with the location, map, bus query, and self-driving route of Tsinghua University Chen Ming Swimming Pool...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":378,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 378\nTitle: \"Tsinghua University Swimming Pool Tsinghua University Diving Pool_Map_Bus Route Query\"\nSummary: \"Aibang Bus Network provides bus route information to Tsinghua University Swimming Pool and Tsinghua University Diving Hall, bus route map query, driving route information, Tsinghua University Swimming Pool and Tsinghua University Diving Hall surrounding map, nearby bus routes, nearby signs...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":379,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 379\nTitle: \"Fangpianergeda's review of Chenming Swimming Pool (Tsinghua University Swimming Pool Branch)...\"\nSummary: \"Tsinghua University is proud of its swimming pool, which should be one of the best in the country's colleges and universities. The swimming pool is divided into a swimming area and a diving area. Usually only the swimming half is open to the public. The diving area is basically only open for competitions, diving team training, diving...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":380,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 196.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 58.3 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 380\nTitle: \"Phone number 010-62792475 (verified) - Chen Ming Swimming Pool, Tsinghua University, Beijing\"\nSummary: \"The company phone number of Beijing Tsinghua University Chen Ming Swimming Pool is 010-62792475. It also provides the company profile, main products, company website, company address, contact number, contact phone number, email address and other related information of Beijing Tsinghua University Chen Ming Swimming Pool...\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":381,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 43.73 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 381\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.75 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":382,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 131.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 382\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Information about China's Liaoning aircraft carrier.doc, \"Top\" Liaoning aircraft carrier model unveiled at Shanghai China Maritime Museum China Jingwei Net 2012-10-08 11:02:35 Font size: HYPERLINK \"\/zt\/js\/11-033\/3025165.html \"\\l\" # \"\\t\" _self\" Small...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 108.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":383,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Technical Parameters\"\nQuery Dwell Time: 45.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 383\nTitle: \"...officially handed over and commissioned, the following table shows some technical parameters of the \"Liaoning\" aircraft carrier: row...\"\nSummary: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially handed over and commissioned. The following table shows some technical parameters of the \"Liaoning\" aircraft carrier: displacement 67500t flight deck 300m*70m engine power 1.5*105kw draft...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":384,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 384\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"Although the Liaoning has been in service for a short time and still has a lot of work to do, it should have an advantage over the medium-sized aircraft on Charles de Gaulle by virtue of its heavy aircraft advantages. In addition, the Rafale carrier-based model has been modified with its front wheels, which should affect its combat effectiveness. In this comparison, Liaoning...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":385,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 385\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"The Liaoning played a role in resolving the Diaoyu Islands dispute, but not as much as many people imagined. China has finally completed its settlement of the dispute over the Wa... From this point of view, China's \"institutional advantage\" is no longer an advantage, but rather a disadvantage - China's existing system...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":386,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 386\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it_NetEase News\"\nSummary: \"November 29, 2016 - [Global Network Military November 28 report] According to an article on the website of Japan's \"Diplomat\" magazine on November 26, after three years of training, Beijing announced that the \"Liaoning\" aircraft carrier and related air combat forces are ready for combat...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":387,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 122.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 387\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. In this special... Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.71 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":388,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 388\nTitle: \"Comment: A direct comparison between the domestically produced aircraft carrier and the Liaoning\"\nSummary: \"A direct comparison between the domestically produced aircraft carrier and the Liaoning. The United States made shocking remarks, and the countries surrounding the South China Sea were slapped in the face! The United Nations criticized Japan with 218 recommendations, and Abe was infuriating. The United States was involved in a big incident, and Europe was hysterical and collectively criticized Russia. Qianlong left a life-saving talisman for Heshen...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":389,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 389\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":390,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 390\nTitle: \"Comparison between Liaoning and other countries' aircraft carriers - CSDN Blog\"\nSummary: \"The 16th ship will soon leave Dalian Port and head to the naval aircraft carrier anchorage for a commissioning ceremony. The predecessor of the Liaoning is from Russia, as shown in the Varyag in the picture above, which is similar to the Russian \"Kuznetsov\" on the right. The displacement of the \"Varyag\" is...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":391,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other aircraft carriers Comparison\"\nQuery Dwell Time: 63.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 391\nTitle: \"US media: Liaoning cannot compare with US aircraft carriers and is still in the experimental stage_NetEase News\"\nSummary: \"August 12, 2016 - [Global Network Military August 12 report] On August 10, the website of the New York Times reported under the title \"Which country's aircraft carrier can compete with the United States' aircraft carrier?\" that aircraft carriers can be a very handy tool, especially in...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":392,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other countries' aircraft carriers\"\nQuery Dwell Time: 77.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 392\nTitle: \"The Liaoning aircraft carrier is indeed amazing, making other countries take notice\"\nSummary: \"Our aircraft carrier - Liaoning! Military photo gallery of China's first aircraft carrier Liaoning. US satellites took photos of China's Liaoning ship docked at the base... China's first aircraft carrier \"Liaoning\" officially commissioned. Congratulations on the handover of Liaoning aircraft carrier. The latest top ten beauties in South Korea are released. Change...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":393,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Other countries' aircraft carriers\"\nQuery Dwell Time: 77.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 393\nTitle: \"List of active aircraft carriers in various countries Liaoning belongs to the middle echelon of the \"aircraft carrier club\" (photo) - International...\"\nSummary: \"November 27, 2012 - Among the aircraft carriers currently in service and under construction, only the French Charles de Gaulle is nuclear-powered, but its various parameters are much different. The predecessor of the Liaoning is the Varyag, which the former Soviet Union did not have time to build. It is similar to the Russian aircraft carrier currently in service...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":394,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 394\nTitle: \"China\u2019s first priority: Must re-evaluate the strategic value of aircraft carriers!\"\nSummary: \"It's time to reevaluate the strategic value of aircraft carriers! Don't make the same mistake again! In the United States, it's a common occurrence! Finally, I just want to say one thing: \"The status of aircraft carriers in the military is irreplaceable! Especially in the transition from conflict to war...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.71 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":395,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 395\nTitle: \"The tactical and strategic value of China's aircraft carriers - Military Horizons - Chinese Business Forum\"\nSummary: \"On the other hand, aircraft carriers are of course high-value targets. If they are sunk in a war, the impact will certainly be huge. For small and medium-sized opponents, the power of the aircraft carrier itself should be enough to defend itself. If it can't even do this, then the aircraft carrier is really useless...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":396,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 396\nTitle: \"A brief discussion on the strategic value of aircraft carriers to China\"\nSummary: \"October 13, 2003 - Based on China's current and potential strategic needs, as well as the weapons and technological development levels of its opponents, my view is that China needs aircraft carriers. I have found that some friends oppose China's possession of aircraft carriers for the following reasons: First, China's...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":397,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 397\nTitle: \"Varyag is not symbolic: aircraft carrier has greater strategic value\"\nSummary: \"Therefore, the strategic value of Varyag's commissioning is greater than its tactical significance. China's national defense strategy is an active defense strategy. Since it is a defense, China has no desire to actively attack the United States. Even if Chinese aircraft carriers cruise in the oceans, especially the Pacific...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.88 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":398,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 398\nTitle: \"Aircraft carriers are just tools to \"show their presence\". They only have global strategic significance, but no decisive value...\"\nSummary: \"Aircraft carriers are just tools to \"show off their presence\". They only have global strategic significance and no decisive battle value. 110.16.2 The United States can play with it because of its historical and political background, but the Chinese cannot afford it. Because of the historical, political, and social background...\"\nRank: 16\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":399,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 744.73 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic value of aircraft carriers\"\nQuery Dwell Time: 188.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 399\nTitle: \"Aircraft carriers are mobile airports at sea: their strategic and tactical value is irreplaceable - Xilu Eastern Military - Xilu.com\"\nSummary: \"The aircraft carrier is under the direct command of the Central Military Commission and is initially planned to be put into service in the South China Sea in the future. In the view of Air Force strategy researcher Qiao Liang, the aircraft carrier is a strategic weapon, but its real role as a campaign or even tactical weapon ended after World War II. Although the world...\"\nRank: 19\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":400,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 88.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 73.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 400\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.52 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":401,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 88.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 73.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 401\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.91 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":3
+  },
+  {
+    "id":402,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 77.93 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 45.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 402\nTitle: \"Fixed Gear Bicycle Official Website\"\nSummary: \"Compared with ordinary bicycles, the difference between fixed gear bicycles may be that many fixed gear bicycles do not have brakes. Due to recent traffic accidents, many manufacturers have paid attention to this issue. Brakes are generally provided by the bicycle seller, and many people remove the brakes themselves. As for fixed gear...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":403,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 74.81 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 63.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 403\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":404,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 404\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":405,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 405\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":406,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights United States\"\nQuery Dwell Time: 160.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 406\nTitle: \"Checked baggage requirements for domestic flights in the United States - Qyer Q&A\"\nSummary: \"Checked luggage requirements for domestic flights in the United States. Can a box of 62*40*25 be brought on board? Q&A Pathfinder is good at questions from the United Kingdom, the United States, Austria, etc. It's too big. One side should not be more than 60. Different airlines have requirements...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":407,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights United States\"\nQuery Dwell Time: 160.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 407\nTitle: \"International flight baggage About the baggage and check-in of domestic flights in the United States to international flights _ Hui...\"\nSummary: \"International flight luggage About the luggage and check-in of domestic flights to international flights in the United States. I just edited it and the questions are gone.... Let me briefly talk about it. Thank you for your answers. I took DL5680 from Los Angeles to Seattle and then on the same day...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 98.8 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":408,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 408\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":409,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 360.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage Check-in International Flights\"\nQuery Dwell Time: 95.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 409\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Announcement of Changes to Baggage Rules Effective April 1, 2011 (based on the date of departure), ANA's international checked baggage rules will be made simpler and easier to understand. Please refer to the following for an overview. The following rules apply only to ANA-operated flights. Partner airlines operating...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":410,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 151.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 61.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 410\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.5 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":411,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 151.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 56.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 411\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 39.55 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":412,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 583.43 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Hong Kong iPhone\"\nQuery Dwell Time: 53.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 412\nTitle: \"A complete guide to buying an iPhone 4 in Hong Kong_China.com\"\nSummary: \"1. Where can I buy an iPhone 4 in Hong Kong? Answer: If you want to buy an iPhone 4 at the original price, I tell you clearly not to dream about it. Just buy a licensed or parallel-imported iPhone in China. The price is higher...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":413,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 38.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 28.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 413\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.21 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":414,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 414\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 149.98 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":415,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 415\nTitle: \"Taiwanese media: Liaoning aircraft carrier issued a warning to Taiwan's Kangding ship not to approach_Phoenix Military\"\nSummary: \"May 9, 2017 - Author: Sasha This article is originally written by Sasha. If you reprint it, please be sure to indicate [Sasha's History Lecture Hall No. 283] (Military Series No. 140) In December 2016, what did the Liaoning aircraft carrier do when it bypassed Taiwan?\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":416,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 416\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 53.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":417,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 236.96 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 228.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 417\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.23 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":418,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 418\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":419,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 419\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of participants: 4 people per group Time: 15 minutes Venue: unlimited Props: none Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Used to liven up the atmosphere before training and meetings. Used under great pressure...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":420,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 420\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":421,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 421\nTitle: \"Ice-breaking game for new employee training\"\nSummary: \"Just like breaking the thick ice in winter. Ice-breaking games help people relax and become willing to communicate and learn from each other. Here in the game hall, we have prepared training games for new employees to get to know each other and familiarize themselves with the company. Ice-breaking games are a popular way for many trainers...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":422,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 336.73 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 316.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 422\nTitle: \"Ice-breaking games for on-the-job training_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for instructors) small plush toys, ping-pong balls, small plastic... Clothing...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.08 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":423,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing\"\nQuery Dwell Time: 77.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 423\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Tourist attractions around Beijing - Saihanba This place has almost become Beijing's back garden. People who love photography and outdoor activities... If you still want to go to Badaling, then you definitely don't want to travel, you want to go back and show off to your relatives and friends how many people there are in Beijing! Baihexia...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":424,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing\"\nQuery Dwell Time: 77.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 424\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":425,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing\"\nQuery Dwell Time: 77.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 425\nTitle: \"Fun places around Beijing: You can go traveling on weekends~_Life_Yueji.com\"\nSummary: \"\u3010Yueji.com\u3011Fun places around Beijing: You can go out for a trip on weekends~ : How long have you not left this city... What are you waiting for? Choose a place you like and go with your friends on weekends~ Lingshui Village: There is a Ming and Qing Dynasty village in the west of Beijing...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.2 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":426,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 426\nTitle: \"2017 Latest Beijing Surrounding Tourist Attractions Traffic Map Query, Beijing Surrounding Tourist Attractions Traffic Map High...\"\nSummary: \"2017 latest Beijing map query, the latest version of Beijing map HD version, providing electronic map information, including Beijing administrative map, traffic map, tourist attraction map and other types of map downloads, providing travel and other practical information for travelers, 8264.com...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 57.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":427,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 427\nTitle: \"Top 10 must-see places in Beijing, Beijing travel guide - Mafengwo\"\nSummary: \"It has been four years since its establishment. The legendary Maizidian is the \"Second Airport Auxiliary Road of Beijing\". Due to the surrounding five-star... 1. Horseback riding price: 30 yuan\/person\/hour (free admission) Horse racing 50 yuan\/person\/hour 2 Jeep 200 yuan\/hour 50 yuan\/circle 3... I wish you can experience the memories of Beijing from the mottled shadows of the trees. It seems that I don't like it very much. If it is really necessary to go with a...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":428,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 428\nTitle: \"\u3010Beijing and surrounding transportation and tourism map\u3011Price, manufacturer, picture, inventory book, Beijing Yutian...\"\nSummary: \"Provides relevant company introduction and product information of Beijing Yutianxingqiu Book Co., Ltd., mainly focusing on Beijing and surrounding transportation and tourism maps, including Beijing and surrounding transportation and tourism map prices, Beijing and surrounding transportation and tourism map manufacturers, etc. If you want to know more...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.57 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":429,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 429\nTitle: \"I am going to Beijing for the National Day holiday. Where can I find a good place to stay with a price of 150-200 and convenient transportation? _...\"\nSummary: \"Located near CCTV\/West Railway Station, newly renovated, cheap, comfortable environment Beijing Metropolitan New Mingji Hotel (Economy... Island transportation: tricycle 35\/half day 3. Mangrove tour: no bus, taxi 200 yuan\/day 4. Xingdao Lake tour: no bus...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":430,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 430\nTitle: \"\u301058.com\u3011Beijing Tourist Attractions List_Beijing Tourist Attractions Recommendations_Beijing Tourist Route Quotes\"\nSummary: \"Beijing Youth Travel Service Co., Ltd. Dongcheng First Sales Office Related Tips: 1. The tour guide will recommend the self-funded projects already indicated in the itinerary, and the tour time and price have been noted... (14 hours) l***0 Famous Store Recommendation Beijing Domestic Tour Introduction: 58.com Beijing...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":431,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Where to travel around Beijing, prices, transportation\"\nQuery Dwell Time: 142.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 431\nTitle: \"Beijing Tourism Network: \"This website mainly introduces some scenic spots around Beijing, including tourist routes...\"\nSummary: \"abc6866's comments on Beijing Tourism Network: This website mainly introduces some scenic spots around Beijing, including travel routes, quotes, accommodation, transportation, etc. I think it is a relatively practical website. If you want to go out for a trip, you can...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":432,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel, transportation and accommodation around Beijing\"\nQuery Dwell Time: 83.37 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 432\nTitle: \"Looking for a four-day travel guide to Beijing, where is the closest transportation and attractions? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Looking for a four-day travel guide to Beijing. How to travel conveniently near transportation and attractions? 345 views 0 people follow Follow Answer 3 answers [The author accepts] http:\/\/www.bjbus.com\/map\/index.php?uTab=searchfeature&...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 68.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":433,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 344.59 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Travel, transportation and accommodation around Beijing\"\nQuery Dwell Time: 83.37 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 433\nTitle: \"Accommodation near Beijing Transportation Station - Qyer Q&A\"\nSummary: \"Cheap Travel in Oceania For more questions, please click here x Back to top Outbound travel is all in Cheap Travel App The choice of millions of travelers Scan the QR code to download on IOS\/Android Related questions I want to go to Beijing during the National Day holiday. I would like to ask which hotel is better near the transportation station...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.89 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":434,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 39.5 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 434\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Groups Reading FM Time Things Market More Moments Douban Photography Douban...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":435,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Dead fly purchase\"\nQuery Dwell Time: 46.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 435\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"I started riding a fixed gear because I saw my friends riding it and it looked cool and stylish, so I wanted to try it. I didn\u2019t expect that I would fall in love with it as soon as I rode it. Many people think that fixed gear means flying to death, but the death of fixed gear has nothing to do with the death of death. The flywheel of a fixed gear is fixed...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":436,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Dead fly purchase\"\nQuery Dwell Time: 46.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 436\nTitle: \"\u3010Beijing midnight fixed gear purchase department\u3011Group purchase, address, phone number, business hours - Dianping.com\"\nSummary: \"All categories Scan all branches of \"Beijing midnight fixed gear purchase department\" Midnight fixed gear purchase department Sports venues | Hongcheng Garden, Shimen, Shunyi District (Exit A of Shimen Subway Station, head west! Get off at the Social Education Center, head west) Arirang_3991: Still fucking okay...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":437,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 198.34 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed flight price, matters needing attention\"\nQuery Dwell Time: 59.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 437\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8899 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":438,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 446.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 438\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 258.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":439,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 446.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 439\nTitle: \"International Flight Checked Baggage Regulations\"\nSummary: \"The free baggage allowance for group passengers is the same as that for individual passengers. c. If two or more passengers traveling together on the same flight to the same destination check in their baggage at the same time and place, their free baggage allowance can be calculated based on their respective...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 136.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":440,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 446.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 440\nTitle: \"Air China domestic baggage check-in standards - _News Information\"\nSummary: \"What are the baggage check-in and carry-on requirements for Air China international flights? ... The airline's requirements for carry-on and checked baggage are as follows: 1. Passengers should place their liquid items (liquids, gels, aerosols) in... International Aircraft Baggage Regulations...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":441,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 527.04 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquids in carry-on and checked baggage on international flights\"\nQuery Dwell Time: 41.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 441\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Requirements for checked liquids on international flights I know that if you carry liquids with you, each piece is 100ml, and the total is within 1L. You may need to pack them separately for easy inspection. So what if the liquids are checked in luggage? Are there any requirements for each piece and the total amount? What are the requirements for checked and carried luggage on Air China international flights? : Airlines require carry-on and checked luggage...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":442,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 529.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking, its benefits and side effects\"\nQuery Dwell Time: 439.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 442\nTitle: \"Methods and effects of quitting smoking - Good Doctor Online\"\nSummary: \"However, the success rate of quitting smoking through these methods alone is not high. Practice has shown that doctors' advice has an important impact on smokers' psychology and behavior. Doctors' advice on the consequences of smoking and the benefits of quitting smoking, especially in combination with smokers' own health conditions...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 121.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":443,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 529.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking, its benefits and side effects\"\nQuery Dwell Time: 439.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 443\nTitle: \"Benefits and methods of quitting smoking\"\nSummary: \"Smoking cessation refers to the act of removing the addiction to smoking through active or passive methods, which may be chemical, physical, mental, or behavioral. In medicine, the scientific name for smoking addiction is nicotine addiction or nicotine dependence, which refers to long-term smoking...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 304.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":444,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 529.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 60.91 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 444\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.33 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":445,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 154.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features and prices\"\nQuery Dwell Time: 140.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 445\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"Other basic functions of Google Glass: Find toilets, LBS finds nearby toilets. Warning for closing eyes while driving, vibration reminder for falling asleep. Compare prices, similar to the WoChaCha function. Real-time translation, translate text through glasses. Eye exercises, through display content,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 111.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":446,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 154.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features and prices\"\nQuery Dwell Time: 140.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 446\nTitle: \"When will Google Glass be launched in China? How much will it cost? What are its main functions? - Fengniao.com\"\nSummary: \"Google Glass has the same functions as a smartphone, and can be controlled by voice to take photos, make video calls, identify directions, surf the Internet, process text messages and emails, etc. And only people over 18 years old can buy it.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.92 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":447,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version price\"\nQuery Dwell Time: 164.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 447\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":448,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version price\"\nQuery Dwell Time: 164.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 448\nTitle: \"Apple 6 Hong Kong version price latest iphone6 \u200b\u200bprice_NetEase mobile\"\nSummary: \"Apple 6 Hong Kong version price, the latest iPhone 6 price, Apple, price, price [PConline Jiangsu Station Market] Apple iPhone 6 (16GB) is still very good in the mobile phone market, and of course it has made greater improvements in performance...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":449,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version price\"\nQuery Dwell Time: 164.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 449\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong?\"\nSummary: \"What is the latest price of Apple iPhone 6? Dealer specializing in Apple mobile phones, 4.7-inch Hong Kong version of the Chinese version of iPhone 6 price: 16gb3850 (gray\/gold\/silver\/all the same price including shipping), the previous generation of the king iPhone 5s is also very cheap now, if you are interested...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 97.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":450,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone6 \u200b\u200bHong Kong version\"\nQuery Dwell Time: 265.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 450\nTitle: \"How to buy the Hong Kong version of iPhone 6? - Apple iPhone 6 (all network compatible) - ZOL Q&A\"\nSummary: \"How to buy the Hong Kong version of ipone6? Views Followers You can invite high-quality answerers to answer your questions faster hocok has 90127 answers in the mobile phone digital category Double beans has 20891 answers in the mobile phone digital category In mobile phone digital...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":451,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone6 \u200b\u200bHong Kong version\"\nQuery Dwell Time: 265.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 451\nTitle: \"How to buy iPhone 6 Hong Kong version? - 356672566 - 16fan\"\nSummary: \"Looking for scalpers at the Apple flagship store in Causeway Bay. I just bought an iPhone 6 gold 64G yesterday. How much is it? Can you tell me the price? Reply to Shixuan's mom: How much is it in person? Can you tell me the price? How much is it? I want to buy one. Reply to Shixuan...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":452,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone6 \u200b\u200bHong Kong version\"\nQuery Dwell Time: 265.02 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 452\nTitle: \"How to buy iPhone 6 Plus Hong Kong version? How to buy iPhone 6 Plus Hong Kong version - Green Tea Article Center\"\nSummary: \"How to buy the Hong Kong version of iPhone 6 Plus? Green Tea editor Pangpang will introduce to you how to buy the Hong Kong version of iPhone 6 Plus. The price of the Hong Kong version is... So how can we buy the authentic Hong Kong iPhone 6 Plus? Please read the following. [Step 1] Buy a...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 181.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":453,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 517.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 40.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 453\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.55 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":454,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 81.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 454\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 55.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":455,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 125.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 455\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool) Address: No. 30 Shuangqing Road, opposite the East Sports Ground of Tsinghua University (near Wudaokou) 010-62792475 Tags: Leisure and Entertainment Sports and Fitness 109 Consumer Reviews Recently 3574 people visited the store rle...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":456,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 125.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 456\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"Oh hoo~~ 7 yuan per session for on-campus people~~ by...\"\nSummary: \"Tianxia Dianxiagepingjie's review of Chen Ming Swimming Pool (Tsinghua University Swimming Pool): Oh, oh, 7 yuan per session for people on campus, because it is so cheap, there are many people, and after the test, there are also many people in the deep water area.\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":457,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 240.85 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 125.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 457\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"All comments from users of Dianping.com about Beijing Chenming Swimming Pool (Tsinghua University Swimming Pool). (Very good) Environment 4 (Very good) Value for money 4 (Very good) Our school's swimming pool is good value for money. There are not many people at noon, but at night...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":458,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 286.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 458\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 125.0 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":459,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 286.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 459\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 136.57 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":460,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 460\nTitle: \"Comments: Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service\"\nSummary: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service [View original]\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.4 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":461,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 461\nTitle: \"What's the news about Liaoning? - Navy Edition - Super Base Military Forum - The most influential military forum -\"\nSummary: \"There were a lot of hot news in the past few days, but why has it stopped recently? Did the person who released the news go out for tea... or will there be a climax in a few days! What's the news about the Liaoning? - Navy Edition - \u2261 Super Military Zone \u2261 - Super Base Camp Military Forum\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.73 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":0
+  },
+  {
+    "id":462,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 462\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.84 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":463,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 463\nTitle: \"16 Liaoning | 16 Liaoning website\"\nSummary: \"Website Navigation Business Opportunities Channel WeChat: bfzyw168 Click to follow Supply Information Purchase Information Enterprise Yellow Pages Information Center 16 Liaoning Introduction Welcome to the 16 Liaoning website, the specific address is, the contact person is 16 Liaoning. Mainly engaged in related products...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":464,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 464\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"According to Hong Kong media reports, military sources revealed that due to problems with parts that need to be repaired, the aircraft carrier will not be in its original... These helicopters are enough to equip two aircraft carrier formations. Although the J-15 is developed based on the Russian Su-33 carrier-based fighter...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.88 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":465,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 106.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 465\nTitle: \"Comments: Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service\"\nSummary: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service [View original]\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.54 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":466,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 313.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 466\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 254.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":467,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 313.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 467\nTitle: \"The commissioning of the Liaoning reflects five strategic significances [Jiangchuan Farm Hangzhou Youth Bar]_Baidu Post Bar\"\nSummary: \"The commissioning of the Liaoning reflects the five... \"Yellow Water Navy\" turns to \"Blue Water Navy\" Yesterday, China's first aircraft carrier, the Liaoning... will accelerate the comprehensive strategic transformation of the Chinese Navy from a \"yellow water navy\" to a \"blue water navy\".\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.94 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":468,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 379.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 468\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":469,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared with other countries' aircraft carriers\"\nQuery Dwell Time: 379.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 469\nTitle: \"Comment: What are the improvements of the domestically-made aircraft carrier that is about to be launched compared with the Liaoning?\"\nSummary: \"The Chinese must redouble their efforts to build the world's most powerful and invincible aircraft carrier to safeguard human peace and bring happiness to mankind. There is no doubt that the Liaoning has a certain combat capability. Of course, it is unrealistic to let it go far away from home to fight with you Americans. However, for...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 44.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":470,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared with other countries' aircraft carriers\"\nQuery Dwell Time: 379.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 470\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it - Instant News - Military Channel -...\"\nSummary: \"November 29, 2016 - The Liaoning's aircraft capabilities are limited, and regional countries are able to cope with the challenges posed by aircraft carriers. Since the end of the Cold War, the cost of purchasing, upgrading, maintaining and operating fighter jets has made it difficult to cope with fighter jet capabilities... In addition to intercepting aircraft of unknown nationality, fighter jets are almost exclusively used in military parades and national day ceremonies. Other military capabilities can be obtained through participation...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 203.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":471,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning length displacement\"\nQuery Dwell Time: 70.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 471\nTitle: \"China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\"...\"\nSummary: \"China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\" is expressed in scientific notation... 6.75*104 [Analysis] Question analysis: The expression form of scientific notation is, where n is an integer. When determining the value of n, we need to look at the original...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.06 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":472,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1205.05 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning length displacement\"\nQuery Dwell Time: 70.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 472\nTitle: \"Liaoning aircraft carrier has four major changes: the angle of the ski jump deck is larger than that of its sister ship - Sohu Roll\"\nSummary: \"October 4, 2012 -Therefore, in terms of the general shape, length, width, displacement and other basic indicators of the aircraft carrier, there is no big difference between the two. Among the active aircraft carriers in the world, the size and displacement of the Kuznetsov aircraft carrier are second only to the Enterprise-class and Ni...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 52.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":473,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 473\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":474,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 474\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":475,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 475\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":476,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 476\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":477,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 477\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":478,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 478\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":479,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 479\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":480,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 480\nTitle: \"\u300aIce-breaking Games Collection (Transferred)\u300b\"\nSummary: \"[Ice-breaking Game] Big Tree and Squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing each other, stretching out their hands to form a circle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":481,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people Ice-breaking game New employee training\"\nQuery Dwell Time: 81.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 481\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 27.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":482,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people Ice-breaking game New employee training\"\nQuery Dwell Time: 81.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 482\nTitle: \"\u3010Ice-breaking game for new employees\u3011-liepin.com\"\nSummary: \"1. New employee training, first clarify ... New employee onboarding ice-breaking game related information 1. Tug of war is actually the best way to show unity... Number of people: 5-10 Props: None Suitable occasions: ...View all Introduction: Through the group, their affinity motivation, influence...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":483,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 483\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":484,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 268.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 87.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 484\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":485,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 485\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":486,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 486\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":487,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel, Consumption and Experience around Beijing\"\nQuery Dwell Time: 86.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 487\nTitle: \"Recommended tourist attractions in Beijing in May_Prices for group tours in Beijing in May_Related information about 5-day tours in Beijing...\"\nSummary: \"Bring every tourist a relaxing, comfortable, transparent and assured quality trip! Highlights: Forbidden City, Temple of Heaven,... Experience happily and spend clearly. B Never change the attractions included in the itinerary: except for force majeure: such as typhoon,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.68 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":488,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 488\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":489,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 489\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":490,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 490\nTitle: \"Beijing Travel Guide in May_How is the scenery in Beijing in May_Recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. Every year, many people travel from Beijing to Qinhuangdao, especially in summer, Qinhuangdao is a summer resort. In Qinhuangdao...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":491,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 491\nTitle: \"Beijing Travel Guide in May_How is the scenery in Beijing in May_Recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. Every year, many people travel from Beijing to Qinhuangdao, especially in summer, Qinhuangdao is a summer resort. In Qinhuangdao...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":492,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 492\nTitle: \"The latest Beijing surrounding area in May (I) - Travel your own way, visit the world's scenery - Sohu Blog\"\nSummary: \"Blog text Category: Beijing surrounding tours | Tags: The latest Beijing surrounding tourism information Yesanpo Donghu Port Shidu 2-day 268 yuan\/person Day 1: Individual tourists gather at the entrance of the Ministry of Foreign Affairs of Chaoyang Gate at 7:30: (\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":493,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 284.87 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 85.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 493\nTitle: \"The latest Beijing surrounding area in May (I) - Travel your own way, visit the world's scenery - Sohu Blog\"\nSummary: \"Blog text Category: Beijing surrounding tours | Tags: The latest Beijing surrounding tourism information Yesanpo Donghu Port Shidu 2-day 268 yuan\/person Day 1: Individual tourists gather at the entrance of the Ministry of Foreign Affairs of Chaoyang Gate at 7:30: (\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":494,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Shop near Tsinghua University\"\nQuery Dwell Time: 64.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 494\nTitle: \"Businesses near Makara Fixed Gear Park - Beijing - Dianping.com\"\nSummary: \"|In the alley 500 meters north of the west gate of Tsinghua University in Wudaokou Cafe |Inside Tsinghua University, Haidian District, near Chunyuan 1911 Coffee! Only 48.8 yuan! A coffee and dessert set worth 70 yuan, free WiFi is provided. 1911 Coffee! Only 148.8 yuan! Worth 242 yuan...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 30.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":495,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Shop near Tsinghua University\"\nQuery Dwell Time: 64.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 495\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions Popular food Makara Fixed Gear Park * Required fields China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":496,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Shop near Tsinghua University\"\nQuery Dwell Time: 58.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 496\nTitle: \"Businesses near Misshine Retro Fixed Gear Bicycle Shop - Beijing - Dianping.com\"\nSummary: \"Smart | Only 239 yuan, worth 399 yuan Single classic oil massage SPA Only 169 yuan, worth 259 yuan Single health and fitness foot massage Only 69 yuan, worth 99 yuan Single health foot massage Only 399 yuan, worth 699 yuan Single exclusive stress relief spa package Only...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.29 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":497,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Shop near Tsinghua University\"\nQuery Dwell Time: 58.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 497\nTitle: \"Near No. 123 Zhongguancun North Street, address of Feige Bicycle (Tsinghua West Gate) - Beijing Map\"\nSummary: \"The address of Beijing Fei Ge Bicycle (Tsinghua West Gate) is: near No. 123, Zhongguancun North Street. The phone number of Fei Ge Bicycle (Tsinghua West Gate) is: No phone number at the moment. Introduction of Fei Ge Bicycle (Tsinghua West Gate): Fei Ge Bicycle (Tsinghua...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":498,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 63.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 498\nTitle: \"How to get to the Shuimo Community in Tsinghua West Gate, Zhongguancun North Street (next to the Merida Bicycle Tsinghua West Gate)?\"\nSummary: \"I want to find: Business Map Address: Zhongguancun North Street, Tsinghua West Gate Shuimo Community (next to Merida Bicycle Tsinghua West Gate) 15810100047 Transportation: Note: The map location is for reference only, the specific situation is subject to the actual road sign information...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":499,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 63.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 499\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"The phone number of Fei Ge Bicycle Tsinghua West Gate is , and the address of Fei Ge Bicycle Tsinghua West Gate is . In addition, you can also view the map, public transportation and nearby popular places of Fei Ge Bicycle Tsinghua West Gate.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.14 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":500,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle prices near Tsinghua University\"\nQuery Dwell Time: 107.78 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 500\nTitle: \"Bicycles in Tsinghua University_Stories about Bicycles in Tsinghua University-Yilin Story\"\nSummary: \"The price of a new bicycle in the market is just over 100 yuan, but the price of a used bicycle near Tsinghua University is 70 or 80 yuan, which is high. New bicycles are easily stolen, so people still prefer old bicycles. There is no market for new bicycles in the school. Fear...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 54.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":501,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle prices near Tsinghua University\"\nQuery Dwell Time: 107.78 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 501\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"( more ) A Forever bicycle without a frame. Easy to ride, sturdy. (Delicious Sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike, stocking up, second-hand price, I call you dad if you have an old one (Haikou 517 Station) ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":502,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 396.58 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University fixed gear price\"\nQuery Dwell Time: 39.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 502\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":503,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 318.93 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Rules for carrying liquids on international flights\"\nQuery Dwell Time: 82.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 503\nTitle: \"Aircraft Liquid Carry-On Regulations 2017\"\nSummary: \"What are the regulations for carrying liquids on airplanes in 2017? Let's take a look. The following is the relevant content carefully compiled by pincai editor. I hope it will be helpful to everyone! Aircraft Liquid Carrying Regulations 2017 Each bottle shall not exceed 100ml per person on international flights...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":504,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 318.93 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Rules for carrying liquids on international flights\"\nQuery Dwell Time: 82.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 504\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.37 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":505,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 318.93 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Rules for carrying liquids on international flights\"\nQuery Dwell Time: 82.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 505\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"International flights departing from Central Japan International Airport have begun to implement liquid carry-on regulations. According to the relevant regulations of the Ministry of Land, Infrastructure, Transport and Tourism of Japan, starting from March 1, 2007 (Thursday), international flights departing from Central Japan International Airport will implement the following liquid carry-on regulations...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":506,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 181.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking Ways to quit smoking\"\nQuery Dwell Time: 106.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 506\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"However, most people fail to quit smoking successfully, and there are endless ways to quit smoking. Here are some recommended methods for everyone. Some patients experience more sputum after quitting smoking treatment, and some experience dry throat and other unusual sensations. A large number of clinical research results have confirmed that after treatment...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":507,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 181.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking Ways to quit smoking\"\nQuery Dwell Time: 106.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 507\nTitle: \"Benefits and methods of quitting smoking\"\nSummary: \"How to get through the first five days of quitting smoking? The following seven methods are provided: (1) Drink 6-8 glasses of water between meals to promote the excretion of nicotine. (2) Take a warm bath every day, and take a shower immediately when you can't resist the urge to smoke. (3) On the 5th day of quitting smoking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":508,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 181.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 47.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 508\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.29 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":509,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 204.54 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features Usage Price\"\nQuery Dwell Time: 82.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 509\nTitle: \"Google Glass 2nd Generation Beijing Price Google Glass Parameters Functions Practical Cases_Beijing VERTU Discount Store...\"\nSummary: \"Browsing Weibo, these glasses can also do it. \"The reason why Google Glass is so powerful is that it relies more on network technology support. According to reports, the glasses need WiFi connection to fully function, and an Android phone needs to download the My Glass application. In other words...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":510,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 204.54 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features Usage Price\"\nQuery Dwell Time: 82.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 510\nTitle: \"This is the real black technology smart glasses, the performance exceeds Google, but the price is only a tenth of Microsoft's...\"\nSummary: \"Microsoft, which is not very soft, released the AR glasses HoloLens in 2015. Needless to say, its sense of technology is very high, and the price is also quite high. On the official website of Microsoft China, the developer version starts at around 24,000 yuan, and the commercial version is around 40,000 yuan. For ordinary consumers...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":511,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 204.54 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 94.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 511\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"There is no doubt that Google Glass is the leading product that opens a new era of smart wearable devices. The beauty in this video shows us the actual use of Google Glass very intuitively. Let us explain the basic operation and ten major functions of Google Glass in detail...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 90.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":512,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price and Tariff in Hong Kong\"\nQuery Dwell Time: 80.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 512\nTitle: \"Is the latest price of Apple 6 high?\"\nSummary: \"The licensed products are sold in the mainland through regular customs, and they will pay tariffs and other fees. The Hong Kong version and the US version are smuggled, so of course the price is cheaper. Answer: Hello, here is the price list of the 4.7-inch and 5.5-inch iPhone 6 sold in China: 4.7-inch iPhone 6...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":513,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price and Tariff in Hong Kong\"\nQuery Dwell Time: 80.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 513\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":514,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price and Tariff in Hong Kong\"\nQuery Dwell Time: 80.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 514\nTitle: \"What is the approximate price difference between apples in mainland China and Hong Kong?\"\nSummary: \"Hong Kong is a free trade port, and does not charge import tariffs. Taxes are calculated into the price, so the mainland version is more expensive. 2. There is also a part... Answer: Hello, the iPhone 6 Hong Kong price is for your reference, 16g 5588 hkd is equivalent to 4477 yuan,...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":515,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 97.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 515\nTitle: \"There is a hidden story behind the iPhone 6 being so popular among operators - Jia Jinghua - Career Diary - Value China Network\"\nSummary: \"September 11, 2014 - On the surface, the release of iPhone 6 has led to a fierce competition among the three major operators that have obtained 4G licenses. In this regard, many industry insiders believe that the three major domestic operators have done a large-scale free...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":516,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 97.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 516\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The Hong Kong version of iPhone 6 can \"cover all 3G and 4G standards of all operators in the world\", and is \"all-network compatible\", with a very high cost performance. Several anxious mainland consumers took their iPhone 5s and asked the clerk if they could use the old...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":517,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 53.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 517\nTitle: \"How much tariff do I have to pay when I send iPhone 6 back to China? - Chicago Chinese Information Network\"\nSummary: \"Well, my friend in China asked me to help buy an iPhone 6 Plus. It is said that the specialty stores are out of stock. Can I... Accountant, CPA If I send an iPhone 6 back to China and it is taxed by the customs, how much is the tariff? ChicagoChinaRen....\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":518,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 53.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 518\nTitle: \"How much customs duty do I need to pay for bringing a mobile phone into the country from Hong Kong? - Customs duty collection and administration - Customs duty consultation - Tax collection consultation...\"\nSummary: \"Q: If an individual brings a mobile phone into Hong Kong, how much tax will be levied? How is it calculated? A: According to the 2007 Announcement No. 25 of the General Administration of Customs on the Dutiable Price List of Inbound Passenger Luggage and Personal Postal Items, the duty-paid price of a handheld mobile phone is...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":519,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 272.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 53.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 519\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"I am from Zhuhai and want to buy an iPhone 6 in Hong Kong. How can I do this? ...Many stores in Hong Kong accept UnionPay cards. If you are really worried, it would be best to bring a dual-currency credit card. iPhone 6 bought in Hong Kong, China Unicom and China Mobile...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":520,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 520\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":521,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 521\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":522,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 522\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The price is not expensive, it is big, and the water is also...\"\nSummary: \"Yilulu's comments on Chenming Swimming Pool (Tsinghua University Swimming Pool): The price is not expensive, and it is large. The water is also very good and clear. The lobby also has a beautiful wall. But it is crowded in summer. But is it fun when there are many people? It is fun and you can exercise...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":523,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Ticket Price\"\nQuery Dwell Time: 59.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 523\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":524,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Location\"\nQuery Dwell Time: 84.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 524\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":525,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Annual Pass Price\"\nQuery Dwell Time: 84.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 525\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"Ji_Mi Yangguang's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The student price of 7 yuan is still very cheap, and there are often many people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, and there are diving...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":526,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 304.99 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Annual Pass Price\"\nQuery Dwell Time: 84.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 526\nTitle: \"Can I swim in Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school?\"\nSummary: \"Title: Can I swim at Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school? . Posts: 5 \u2003Pagination: Share to: Article topic: Can I swim at Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school? . ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":527,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 161.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 527\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"Viewed 5944 times | 5 comments - Liaoning does not represent that the Chinese navy is strong. Key points: The rise of a great power depends on a fair social platform, not an aircraft carrier. Liaoning has some effect on resolving the Diaoyu Islands dispute, but not as many people imagine...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.99 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":0
+  },
+  {
+    "id":528,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 161.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 528\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. Based on the content published by relevant formal research and news agencies, we have compiled and listed the comparison table for those who are concerned about the country...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":529,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 161.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 529\nTitle: \"Daily Express\"\nSummary: \"April 21, 2017 - First: Liaoning is not a domestically produced aircraft carrier. The most abundant experience that my country can absorb is the ski-jump takeoff method of Liaoning, so the ski-jump takeoff method is more reliable. Second: If the catapult takeoff method is chosen, the next step of the domestically produced aircraft carrier...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":530,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning Aircraft carrier role\"\nQuery Dwell Time: 202.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 530\nTitle: \"Japanese media: China's aircraft carriers are powerful, but they are not very useful in gunboat diplomacy_Phoenix Military\"\nSummary: \"November 30, 2016 - Although China's aircraft carriers have strong military capabilities overall, they may not play a good role in \"gunboat diplomacy\" because the aircraft carrier's air force does not have absolute air superiority. Two fighter squadrons may...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":531,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier role\"\nQuery Dwell Time: 63.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 531\nTitle: \"The role of my country's aircraft carriers - Navy version - Super Base Military Forum - The most influential military forum -\"\nSummary: \"The role that my country has recently equipped with a small number of aircraft carriers can play has not been determined, so there have been different opinions on whether to go on the project or not. Let's post a discussion. The more we debate, the clearer the truth will be. The roles that aircraft carriers can play include: 1. Fighting for ocean air control...,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":532,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 460.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier role\"\nQuery Dwell Time: 63.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 532\nTitle: \"Military News: Aircraft carriers are irreplaceable, with the strongest maritime combat capability and the highest cost-effectiveness_Chinanews.com Jiangxi News\"\nSummary: \"March 23, 2017 - The former Soviet Union's top leaders deeply realized the strategic role of aircraft carriers... Because aircraft carriers play an irreplaceable role in war and non-war military operations, the world's major powers eventually \"reached the same destination\" - firmly moving towards...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":533,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 533\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":534,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 534\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":535,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Four-day tour around Beijing in May\"\nQuery Dwell Time: 77.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 535\nTitle: \"Looking for a five-day, four-night travel guide to Beijing at the end of May (preferably with a guide to transportation and accommodation for the day) - Ant...\"\nSummary: \"Looking for a five-day, four-night travel guide to Beijing at the end of May (preferably with a guide to transportation and accommodation for the day) The place I want to go is the Great Wall, so... \ue40dI plan to go in mid-to-late May, and stay in Beijing for a total of about 4 and a half days (I will take the high-speed train home at noon on the fifth day\u2021), and it would be best if...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":536,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 536\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to surrounding areas in May 2018 for 2 days | Booking_...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, including the price of all 2-day routes from Beijing to the surrounding areas in May 2018, and real-time updates on what fun things to do in the Beijing surrounding areas.\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 52.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":537,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 537\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to surrounding areas in May 2018 for 2 days | Booking_...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, including the price of all 2-day routes from Beijing to the surrounding areas in May 2018, and real-time updates on what fun things to do in the Beijing surrounding areas.\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 52.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":538,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 538\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.31 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":539,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 539\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.31 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":540,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 540\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and the capital has its own prosperous scenery. In the mountains outside Beijing, there are beautiful roads where everything grows in spring. Although they are artificially dug, they overlap with the surrounding mountains and the romance of growing plants and trees...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.99 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":541,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 541\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and the capital has its own prosperous scenery. In the mountains outside Beijing, there are beautiful roads where everything grows in spring. Although they are artificially dug, they overlap with the surrounding mountains and the romance of growing plants and trees...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.99 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":542,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 542\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing Suburban Tour Quotes Shandong Shanxi Hebei Tour Prices In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give away the flag-raising ceremony at Tiananmen Square for free. If you want to watch it, please make an appointment in advance! This group is...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 96.58 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n",
+    "usefulness_score":2
+  },
+  {
+    "id":543,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 543\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing Suburban Tour Quotes Shandong Shanxi Hebei Tour Prices In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give away the flag-raising ceremony at Tiananmen Square for free. If you want to watch it, please make an appointment in advance! This group is...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 96.58 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n",
+    "usefulness_score":2
+  },
+  {
+    "id":544,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 544\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"May message: Late spring is always so leisurely and comfortable, bidding farewell to the chilly spring and welcoming the warm sunshine and spring breeze. ... Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes let you...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":545,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 411.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 545\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"May message: Late spring is always so leisurely and comfortable, bidding farewell to the chilly spring and welcoming the warm sunshine and spring breeze. ... Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes let you...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":546,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel in May\"\nQuery Dwell Time: 43.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 546\nTitle: \"Where to go in Beijing in May? Introducing tourist attractions in Beijing\"\nSummary: \"May is here, the weather is getting warmer, and the flowers are blooming. It is a good time to travel. It is a very happy thing to go out and play in a good season and weather. So, where is the best place to go in Beijing in May? Today, the editor will introduce you to the travel guide of Beijing in May...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":547,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 653.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go\"\nQuery Dwell Time: 158.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 547\nTitle: \"\u3010Qunar.com\u3011Airline ticket inquiry, special air tickets, discounted air tickets - Qunar.com\"\nSummary: \"Qunar.com provides flight tickets and special air tickets for more than 2,600 domestic routes. It also searches thousands of air ticket booking websites such as Air China, China Southern Airlines, and Ctrip. Special air tickets for 99 yuan, 10% off, and super low discounts...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 154.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":548,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 548\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":549,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 549\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":550,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 550\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":551,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 551\nTitle: \"How much is the cheapest fixed gear bicycle?\"\nSummary: \"Best answer: Fixed gear is not cheap, cheap is definitely not fixed gear!!! Magic car, under the banner of fixed gear, shouting 299 399 free shipping, you will regret it if you buy it. The real fixed gear is actually assembled by you, the merchant...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":552,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Dead Fly Zhihu\"\nQuery Dwell Time: 278.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 552\nTitle: \"What are the advantages and disadvantages of fixed gear compared to ordinary bicycles? - Zhihu\"\nSummary: \"Log in Join Zhihu What are the advantages and disadvantages of Fixed Gear over ordinary bicycles? Show all Followers 6 comments Share Invite to answer Follow the question Write an answer Anonymous user Simple and beautiful, but sacrifices a certain degree of safety 0 Add...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 257.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":553,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 553\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":554,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 554\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":555,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 555\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":556,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed flight price\"\nQuery Dwell Time: 499.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 556\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":557,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian Fixed Gear Shop\"\nQuery Dwell Time: 106.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 557\nTitle: \"Does anyone know where there is a fixed gear bike shop in Haidian District, Beijing, with reasonable prices? I am a student and want to buy...\"\nSummary: \"Fixed gear accessories are complete, free color matching. Popular questions and answers Laying water and electricity pipeline diagram Science and Technology Museum, near the Bird's Nest Jianyuan Decoration Company If you are not a local and just go to college in Tianjin, don't buy a pet! ... Full text Bay window modification issues All have to change cars. Start with Xinbin...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":558,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian Fixed Gear Shop\"\nQuery Dwell Time: 106.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 558\nTitle: \"[Qinghe second-hand venue\/fixed gear|Qinghe second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Model: Brand: Price: Region: Support guaranteed transaction Only see pictures Bangbang Online DIY fixed gear bicycle Free matching [1 picture] Beijing Fixed Gear Park Bicycle Shop (100 meters north of the west gate of Tsinghua University, Zhongguancun, Haidian District, Beijing... Haidian-Qing...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":559,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taobao\"\nQuery Dwell Time: 80.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 559\nTitle: \"Taobao (Taobao.com) China Station\"\nSummary: \"You can quickly search for high-quality products in various categories such as women's clothing, men's clothing, shoes and bags, accessories, sports, home textiles, mobile phones, home appliances, beauty products, etc. on Taobao, and enjoy safe guaranteed transaction services (receive the goods first and then confirm) through Alipay, with preferential prices...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":560,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 560\nTitle: \"Haidian Fixed Gear Store Anniversary Sale Fixed Gear Sale Site DIY Free Shipping in the City - Beijing Municipality Second-hand Car Information\"\nSummary: \"Haidian Fixed Gear Store celebrates the anniversary of the fixed gear sale. DIY fixed gears are available for free shipping in the city. The fixed gear store has launched special fixed gears. Our store has many colors and styles, and the configuration is relatively high. All of them have quality assurance and after-sales service. This store is a physical store of fixed gears, not an online store. Customers are welcome to visit the store...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.18 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":561,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 561\nTitle: \"joeMIAKIAS's review on the top fixed gear bicycle store - Dianping.com\"\nSummary: \"Going there is like being at home. Once you get to know the boss, you become like a family. It's really nice. Address: No. 10, Cuiwei East Lane, Haidian District, Bike Peak Bicycle Shop, Ground Floor, Telephone: 15101100343 Category: Gongzhufen\/Wanshou Road\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 114.8 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":3
+  },
+  {
+    "id":562,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 562\nTitle: \"Hotpot near Continew Fixed Gear Bicycle Concept Store_Basement of Zhucheng Building, No. 6, Zhongguancun South Street A...\"\nSummary: \"Our store supports online ordering, and you can get it delivered to your home without leaving your home! Hot pot | Weigongcun, No. 2, Zhongguancun South Street, Haidian District, Beijing... Where can I find hot pot near Beijing Continew Fixed Gear Bicycle Concept Store? Room F-16, Zhucheng Building, No. 6, Zhongguancun South Street...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.13 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":563,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 563\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park * Required fields are required. China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":564,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 564\nTitle: \"Hotpot near Continew Fixed Gear Bicycle Concept Store_Basement of Zhucheng Building, No. 6, Zhongguancun South Street A...\"\nSummary: \"Our store supports online ordering, and you can get it delivered to your home without leaving your home! Hot pot | Weigongcun, No. 2, Zhongguancun South Street, Haidian District, Beijing... Where can I find hot pot near Beijing Continew Fixed Gear Bicycle Concept Store? Room F-16, Zhucheng Building, No. 6, Zhongguancun South Street...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.07 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":565,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1251.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Haidian District Fixed Gear Shop\"\nQuery Dwell Time: 330.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 565\nTitle: \"[Rainbow fixed gear DIY matching store_Contact information_Contact phone number_Address_Website URL] - Beijing rush...\"\nSummary: \"Floor 1, Building 1, Weigongcun Community, Haidian District, Beijing 1521062**** Free consultation hotline, call for details! When you contact me, please say you saw it on Ganji.com, thank you! Store number: 1108469081 Page description: Fixed gear bicycle complete vehicle...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.77 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":3
+  },
+  {
+    "id":566,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 566\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 104.26 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":567,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 567\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n",
+    "usefulness_score":3
+  },
+  {
+    "id":568,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 568\nTitle: \"Air China baggage regulations\"\nSummary: \"Carry-on items for international flights: The weight of free carry-on items: First-class and business-class passengers can carry two items each, with a maximum weight of 8 kg per piece; economy-class passengers can carry one item each...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 178.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":569,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 569\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.4 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":570,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 402.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 392.76 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 570\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":571,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 128.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 571\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.14 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":572,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 128.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 572\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.51 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":573,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 128.46 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 573\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.89 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":574,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 171.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 574\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.55 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":575,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 314.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 171.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 575\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":576,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 152.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 576\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 101.32 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":577,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 152.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 577\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.59 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":578,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 26.49 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 578\nTitle: \"User comments: Can Google Glass be purchased on Taobao? Beware of being deceived - User comments...\"\nSummary: \"As early as last year, Google showed the public a pair of \"magic devices\" called Google Glass, which users can wear to have video chats with friends through voice, and can also take photos and videos of what they see in real time...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":579,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 236.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taobao\"\nQuery Dwell Time: 33.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 579\nTitle: \"Taobao (Taobao.com) China Station\"\nSummary: \"You can quickly search for high-quality products in various categories such as women's clothing, men's clothing, shoes and bags, accessories, sports, home textiles, mobile phones, home appliances, beauty products, etc. on Taobao, and enjoy safe guaranteed transaction services (receive the goods first and then confirm) through Alipay, with preferential prices...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":580,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Hong Kong to buy iPhone 6\"\nQuery Dwell Time: 70.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 580\nTitle: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Do I need to queue up to buy iPhone 6 in Hong Kong now? It's 6, not 6S. Do I need to unpack it after buying it? Are you afraid of being checked? 3030 views 0 people are following Follow Answer 14 answers [The questioner accepts] Can I buy iPhone 6 directly in...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":581,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 official price\"\nQuery Dwell Time: 36.83 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 581\nTitle: \"[iPhone 6 price licensed goods]_iPhone 6 price licensed goods pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality iphone6 \u200b\u200bprice and licensed goods quotes, iphone6 \u200b\u200bprice and licensed goods related information, iphone6 \u200b\u200bprice and licensed goods latest pictures, iphone6 \u200b\u200bprice and licensed goods advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":582,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Apple official website\"\nQuery Dwell Time: 34.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 582\nTitle: \"Contact - Official Apple Support\"\nSummary: \"Contact Apple Support by phone or chat, schedule repairs or make a Genius Bar appointment for iPhone, iPad, Mac and more.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":583,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Taobao\"\nQuery Dwell Time: 150.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 583\nTitle: \"Taobao (Taobao.com) China Station\"\nSummary: \"You can quickly search for high-quality products in various categories such as women's clothing, men's clothing, shoes and bags, accessories, sports, home textiles, mobile phones, home appliances, beauty products, etc. on Taobao, and enjoy safe guaranteed transaction services (receive the goods first and then confirm) through Alipay, with preferential prices...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 118.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":584,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 24.2 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 584\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong?\"\nSummary: \"What is the latest price of Apple iPhone 6? Dealer specializes in Apple mobile phones, 4.7-inch Hong Kong version of the Chinese version of iPhone 6 price: 16... All network Changchun Apple iPhone 6 Hong Kong version 5150 price comparable to Hong Kong version of European Apple iPhone 6plus slightly more expensive than the Chinese version of the Hong Kong version of Apple...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.0 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":585,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Apple Hong Kong\"\nQuery Dwell Time: 66.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 585\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":586,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 660.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone tariffs\"\nQuery Dwell Time: 117.81 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 586\nTitle: \"Attention! Those who are returning to China recently, please be aware! If you bring an iPhone 7 back to China, you will have to pay a 15% tariff!\"\nSummary: \"September 24, 2016 - Do I need to pay tax if I bring or mail an iPhone 7 into the country? Mobile phones are one of the 20 non-duty-free commodities and are not tax-free. Therefore, even if you only bring or mail one, you still need to pay tax according to the law. The specific calculation formula is...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 111.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":587,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 170.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Address\"\nQuery Dwell Time: 44.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 587\nTitle: \"Chen Chen 165's comments on how good Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is -...\"\nSummary: \"Cancellation Address: Opposite to the East Campus of Tsinghua University, No. 30 Shuangqing Road, Haidian District Tel: 010-62792475 Category: ... Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store)\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.36 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":588,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 170.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 85.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 588\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":589,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 170.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 85.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 589\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.41 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":590,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 588.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"aircraft carrier\"\nQuery Dwell Time: 102.16 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 590\nTitle: \"Aircraft Carrier Encyclopedia\"\nSummary: \"Aircraft Carrier Encyclopedia - Introduces basic information and related knowledge about aircraft carriers, and displays the characteristics and structures of aircraft carriers of various countries. What are the main weapons and equipment of aircraft carriers? What is the angled deck? The electromagnetic catapult is a complex integrated system ... ...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":591,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 588.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"aircraft carrier\"\nQuery Dwell Time: 102.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 591\nTitle: \"Aircraft Carrier Encyclopedia\"\nSummary: \"Aircraft Carrier Encyclopedia - Introduces basic information and related knowledge about aircraft carriers, and displays the characteristics and structures of aircraft carriers of various countries. What are the main weapons and equipment of aircraft carriers? What is the angled deck? The electromagnetic catapult is a complex integrated system ... ...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":592,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 349.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 326.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 592\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 221.7 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":593,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 349.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 326.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 593\nTitle: \"A Complete Collection of Communication and Ice-breaking Games in Management\"\nSummary: \"Contact the webmaster You are here: Beidouxing Community - China Social Work Education Community >> Article Center >> Methods and Skills >> Group Work >> Game Collection >> Text Communication and Ice-breaking Games in Management Author: Anonymous Article Source: This site...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.74 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":594,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 349.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 326.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 594\nTitle: \"Ice-breaking game for development training (I)\"\nSummary: \"This ice-breaking game helps people become more willing to socialize and learn from each other, breaking down barriers between strangers and eliminating conflicts between colleagues... (7) The last person left is the winner. The Tree and the Squirrel Suitable for: 10 or more people Materials and venue: None Suitable...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":595,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 595\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, the air is fresh and cool... Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.99 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":596,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 596\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and brocade. The capital city has its own prosperous scenery, but in the continuous mountains outside Beijing, there are... Huanling Road Huanling Road is the main tourist road connecting the Ming Tombs, a world cultural heritage and a national key cultural relic protection unit. It is divided into...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.17 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":597,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 597\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.15 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":598,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 598\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to surrounding areas in May 2018 for 2 days | Booking_...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, including the price of all 2-day routes from Beijing to the surrounding areas in May 2018, and real-time updates on what fun things to do in the Beijing surrounding areas.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":599,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 599\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to Huangshan City in May 2018 | Pre-book...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, how much does all routes from Beijing to Huangshan City cost in May 2018, and real-time updates on what fun things to do around Beijing are.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":600,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 600\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing Suburban Tour Quotes Shandong Shanxi Hebei Tour Prices In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give away the flag-raising ceremony at Tiananmen Square for free. If you want to watch it, please make an appointment in advance! This group is...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":601,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism May prices\"\nQuery Dwell Time: 33.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 601\nTitle: \"How much does it cost to travel to Beijing in May? How is the scenery in Beijing in May? Beijing 5..._Xinxin Travel\"\nSummary: \"Beijing Sunset Red Senior Group Price Double Bedroom 7 Day Tour, Chengdu Sunset Red Travel Price, 2017 Spring Sunset Red Beijing (Forbidden City...There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":602,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism May prices\"\nQuery Dwell Time: 33.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 602\nTitle: \"How much does it cost to travel to Beijing in May_Low prices for traveling to Beijing in May_Recommendations for a 5-day tour in Beijing_...\"\nSummary: \"Q: What is the lowest price for traveling to Beijing in May? A: Our company carefully provides you with free travel and group travel. We recommend related travel products: Beijing Historic Sites Boutique Tours. If you want to know more about Beijing travel, please consult our...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":603,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 218.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism May prices\"\nQuery Dwell Time: 33.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 603\nTitle: \"May travel routes from Beijing_XinXin Travel Network\"\nSummary: \"There are 15 travel routes departing from Beijing in May... [How much does it cost to travel from Beijing to Gansu] Crescent Lake Lanzhou Waterwheel Park Mogao Grottoes five-day solo tour... Xinxin Travel Network CNCN.com\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":604,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 604\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.97 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":1
+  },
+  {
+    "id":605,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 605\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.56 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":606,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 606\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 90.94 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":607,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 607\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.85 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n",
+    "usefulness_score":1
+  },
+  {
+    "id":608,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua fixed gear where to buy\"\nQuery Dwell Time: 164.0 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 608\nTitle: \"Fixed Gear Bicycle China_Fixed Gear Bicycle China Price_High Quality Fixed Gear Bicycle China Wholesale\/Purchase Opportunities - ...\"\nSummary: \"Huicong.com Fixed Gear Bicycle Micro Portal collects rich content about Fixed Gear Bicycle, providing users with various fixed gear bicycle supply and demand information, prices, information, pictures, manufacturers and other services...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":609,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 281.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua\"\nQuery Dwell Time: 88.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 609\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":610,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 610\nTitle: \"International Aircraft Baggage Check-in_International Air Transport-Air China Official Website\"\nSummary: \"Air China's international passenger baggage transportation channel provides information on international aircraft baggage consignment and international air transportation, helping you to understand Air China's international baggage consignment information services.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.22 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":1
+  },
+  {
+    "id":611,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 611\nTitle: \"International Aircraft Baggage Check-in_International Air Transport-Air China Official Website\"\nSummary: \"Air China's international passenger baggage transportation channel provides information on international aircraft baggage consignment and international air transportation, helping you to understand Air China's international baggage consignment information services.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.35 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":1
+  },
+  {
+    "id":612,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 612\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 99.41 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":613,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 613\nTitle: \"International Flights and Baggage\"\nSummary: \"Although I have asked around for information on luggage preparation, I have no real experience unless I actually go there. Since I prepared my suitcases too early, I... If I don't understand, I will ask the young people around me who speak fluent American English. There are many such people on international flights. After the first time, I will...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 76.0 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":614,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 614\nTitle: \"I have a question about checked baggage on international flights\"\nSummary: \"Article topic: A question about luggage check-in for international flights He Dazhuang@\u5976\u5a03 Identity User Article Constellation Scorpio Points Level Dongting (8) Sender: happyness123 (Happy Life), Message area: Flyers Tianjin-Shenzhen CA...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.92 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":615,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 615\nTitle: \"Air China International Flight Checked Baggage Regulations_Interview Tips_Hebei Bocai Network_Shijiazhuang Recruitment\"\nSummary: \"What is the weight limit of free checked baggage on Air China international flights? On international and regional routes, the free checked baggage allowance for adult and child passengers is based on the fare class: 40 kg for first class, 30 kg for business class, and 30 kg for economy class.\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":616,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 616\nTitle: \"About luggage check-in for international flights - Mafengwo\"\nSummary: \"Regarding checked baggage on international flights, can I check in packaged spicy noodles? Also, bagged cold noodles, beef and mutton soup buns? As shown in the picture below, I brought it to my friend. Also, is there a limit on the amount of liquids that can be checked in? 795 views 0 people follow Follow Answer 1 answer Each airline...\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":617,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 408.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 396.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 617\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"The number and weight of free checked baggage on Virgin Atlantic international flights depends on the destination and cabin class. First Class Passengers: Transatlantic\/Lagos passengers have a free baggage allowance of three pieces, the sum of the three sides must not exceed 158 cm or the total weight must not exceed...\"\nRank: 12\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 84.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":618,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 618\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"Smoking cessation is a product specifically for men's health. The smoking cessation products sold on the official website are all genuine. Learn about smoking cessation and consult how much it costs to quit smoking. The only official channel to buy genuine smoking cessation products is safe and guaranteed. To buy genuine smoking cessation products, look for the official smoking cessation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.98 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":619,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 619\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.11 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":620,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 620\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, how to quit smoking most effectively, how to quit smoking most effectively...quit smoking mouthpieces, quit smoking tea and other quit smoking products and quit smoking service information.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":621,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 621\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.04 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":622,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 82.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 622\nTitle: \"How to quit smoking (1) - 3721 Health Knowledge Network\"\nSummary: \"Quitting smoking, how to quit smoking, quitting smoking methods Tips for middle-aged people to live a young and healthy life. Does quitting smoking really cause weight gain or illness? The ten most practical experiences to help you prevent hair loss. Smoking causes more harm to women than men. It only takes five days to help you quit smoking...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":623,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 30.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 623\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.58 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":3
+  },
+  {
+    "id":624,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 134.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 30.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 624\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.6 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":625,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 625\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.19 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":626,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 626\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.71 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":627,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 627\nTitle: \"The embarrassment of Google Glass: Can enter the country but can't leave home? _Viewpoint_PConline...\"\nSummary: \"May 17, 2013 - Google Glass is one of the most controversial products of Google in recent years. Before the development version was shipped, people were curious and hoped to get this magical pair of glasses. But when the glasses were officially shipped...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 139.61 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":1
+  },
+  {
+    "id":628,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 628\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":629,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 212.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 629\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.47 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":630,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 87.03 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 630\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.93 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":631,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 318.58 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 87.03 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 631\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":632,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy\"\nQuery Dwell Time: 64.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 632\nTitle: \"iPhone 6 purchase guide: How to buy iPhone 6 at the cheapest price! (Reprinted)_Digital Life_Tianya...\"\nSummary: \"Although it is about the same level as when iPhone 5S was released, the first launch country is not China, and the change in the policy of operators on iPhone subsidies has made it a question of when the licensed iPhone 6 will be available in China. Let's take a look at foreign countries first...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":633,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy\"\nQuery Dwell Time: 64.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 633\nTitle: \"iPhone 6 purchase guide: How to buy iPhone 6 at the cheapest price_Economic Forum_Tianya Forum\"\nSummary: \"iPhone 6 purchase guide: How to buy iPhone 6 at the cheapest price Although the price is similar to that of iPhone 5S, the first launch country is not China, and the policy change of operators on iPhone subsidies has made it difficult to know when the licensed iPhone 6 will be available...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":634,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 634\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":635,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 635\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does it cost to buy an iPhone 6 in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively. iPhone 6 Plus ...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":636,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 636\nTitle: \"Can I use the iPhone 6 I bought in Hong Kong? _As the title says. Preparing to go to Hong Kong_Babytree\"\nSummary: \"As the title says. I am going to buy an iPhone 6 in Hong Kong. Can I use it directly after I get it back? Do I need to flash the firmware or something? | No need to flash the firmware, just use it directly | How much is it there now | How much is it now? I want to know too | Can I use it directly |\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":637,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 637\nTitle: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? - Mafengwo\"\nSummary: \"Do I need to queue up to buy iPhone 6 in Hong Kong now? It's 6, not 6S. Do I need to unpack it after buying it, worried about being checked? 3030 views 0 people follow Follow Answer 14 answers [The author accepts] iPhone 6 can be bought directly in Hong Kong, it's in stock...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":638,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 638\nTitle: \"About buying iPhone 6 in Hong Kong - Transaction\/Card Number - 16fan\"\nSummary: \"2015.2.1 I went to Hong Kong and wanted to buy an iPhone 6. Can I buy it without making an appointment? Please answer me if you know~~ Questions about buying an iPhone 6 in Hong Kong, 16fan\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":639,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 210.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bbuy in hong kong\"\nQuery Dwell Time: 125.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 639\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13-12, 2014 was the first day that Apple Inc.'s iPhone 6 and iPhone 6 Plus were available for online purchase in the Hong Kong market. It was less than 72 hours before Apple CEO Tim Cook released the two latest products, and Hong Kong...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":640,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 640\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 125.98 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":641,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 641\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.49 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":642,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 642\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.84 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":1
+  },
+  {
+    "id":643,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 266.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 201.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 643\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":644,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 644\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.65 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":645,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 645\nTitle: \"Liaoning fever sweeps Hong Kong\"\nSummary: \"July 8, 2017 - The Liaoning aircraft carrier fleet arrived in Hong Kong on the morning of the 7th. Subsequently, a welcoming ceremony was held at the Stonecutters Island Barracks. The Chief Executive of the Hong Kong Special Administrative Region, Carrie Lam, on behalf of the SAR government and citizens, warmly welcomed the Chinese People's Liberation Army Navy aircraft carrier fleet...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.57 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":0
+  },
+  {
+    "id":646,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 646\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 174.34 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":647,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 715.71 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 647\nTitle: \"\"Liaoning\" here we come! _NetEase News\"\nSummary: \"July 4, 2017 - (Original title: \"Liaoning\" here we come!) To celebrate the 20th anniversary of Hong Kong's return to the motherland, China's first aircraft carrier \"Liaoning\" and three affiliated ships will dock in Hong Kong from July 7 to 11, and will be open to the public on the 8th and 9th...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":648,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 101.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 648\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":649,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 101.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 649\nTitle: \"Taiwanese media: Liaoning aircraft carrier issued a warning to Taiwan's Kangding ship not to approach_Phoenix Military\"\nSummary: \"May 9, 2017 - Author: Sasha This article is originally written by Sasha. If you reprint it, please be sure to indicate [Sasha's History Lecture Hall No. 283] (Military Series No. 140) In December 2016, what did the Liaoning aircraft carrier do when it bypassed Taiwan?\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":650,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier role significance\"\nQuery Dwell Time: 180.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 650\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 87.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":651,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier role significance\"\nQuery Dwell Time: 180.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 651\nTitle: \"China has an aircraft carrier. How significant is that?\"\nSummary: \"China has an aircraft carrier, how much does it mean? What role does it play in my country's national defense? Just a blast. We have the ability to build and use aircraft carriers. China has an aircraft carrier, how much does it mean? What role does it play in my country's national defense? 171.116.85 Deterrent effect...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":652,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier role significance\"\nQuery Dwell Time: 180.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 652\nTitle: \"The significance of China's aircraft carriers_International Observation_Tianya Forum_Tianya Community\"\nSummary: \"This means that when almost all major countries, including China, have the ability to sink aircraft carriers, the role of aircraft carriers is decreasing... Qilu Evening News: What is the significance of developing aircraft carriers? Qiao Liang: China has 18,000 kilometers of coastline, and developing and strengthening the navy...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":653,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 36.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 653\nTitle: \"The J-15 is said to have an advantage over the F35B. Japan's quasi-aircraft carrier is no match for the Liaoning\"\nSummary: \"If the F-35B mounts a large number of weapons externally to make up for its numerical disadvantage, it will be equivalent to giving up its greatest advantage - stealth, and the tactical situation will be even more unfavorable to it. \"In fact, the deployment of the F-35B on ships is still wishful thinking on the part of Japan, and the United States has not yet...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.23 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":654,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1099.08 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning: Advantages and Disadvantages\"\nQuery Dwell Time: 36.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 654\nTitle: \"Japanese right-wing media calls China's current aircraft carrier Liaoning a \"paper tiger\"_NetEase News\"\nSummary: \"July 12, 2013 - The magazine focused on comparing the strengths and weaknesses of Japanese and Chinese weapons and simulating the results of a naval battle between the two countries. Japanese media quoted the magazine as saying that even if China formed a fleet mainly composed of the aircraft carrier \"Liaoning\" to \"attack\" the Diaoyu Islands, it would still be difficult to...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":655,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 1335.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New Employee 10-person Icebreaker Game\"\nQuery Dwell Time: 1313.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 655\nTitle: \"\u3010Transfer\u301118 Ice-breaking Games\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time... Reduce stress; overcome anxiety and fear of failure; overcome boredom; motivate employees to give full play to their\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 412.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":656,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 1335.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New Employee 10-person Icebreaker Game\"\nQuery Dwell Time: 1313.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 656\nTitle: \"Ice-breaking Games for New Employees_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for the instructor) small plush toys, ping-pong balls, small plastic... This is...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 281.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":657,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 1335.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New Employee 10-person Icebreaker Game\"\nQuery Dwell Time: 1313.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 657\nTitle: \"Team Activity Ice Breaking Games_Chinese Text Library\"\nSummary: \"Team Ice Breaking Games Collection_Human Resources Management_Business Management and Marketing_Professional Materials. Team Ice Breaking Games Collection ...6. This activity is not suitable for unfamiliar teams. Big Tree and Squirrel Suitable for: 10 people or more Materials and venues... Nine essentials for new employee training...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 475.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":658,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 658\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No matter spring, summer, autumn or winter, no matter how dry the weather is or how dry the land is, the water of Shengquan is always the same and gurgles. The spring water originates from a hundred miles away...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":659,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 659\nTitle: \"Latest price list for traveling to surrounding areas in May 2017_Recommended routes to surrounding areas in May - Utour Travel\"\nSummary: \"The surrounding tourist routes in May 2017 are provided by Utour Travel Youzai.com. If you want to know the surrounding tourist quotes in May, the prices for traveling in May, and the travel guide for traveling in May, please visit Utour Travel Youzai.com.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 29.74 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":660,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 660\nTitle: \"Where to go in the suburbs of Beijing at the end of May. Can you please recommend some good places!! - Beijing Travel...\"\nSummary: \"Please help me! We will be around May 28th, 30 people. We will stay outside for 2 days and one night. We are good friends... We need a bonfire. Hehe. It should be around Beijing. I don't know where is good. Please help me. It costs...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.18 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":661,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 175.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 165.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 661\nTitle: \"The best travel routes in Beijing in May! ! Self-guided tours! ! - Qyer Q&A\"\nSummary: \"Best travel routes in Beijing in May! ! Self-guided tour! ! Attractions you want to visit: Dashilan, Tiananmen Square, Jingshan Beihai Park, Wangfujing, Badaling, Houhai, Nanluoguxiang, Temple of Heaven, Xidan, Summer Palace, Bird's Nest, Water Cube, Happy Valley, etc....\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":662,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University fixed gear bicycle\"\nQuery Dwell Time: 210.16 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 662\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-27 \/ General merchants 139 yuan Factory direct sales of various bicycles starting from 140 yuan wholesale, group purchase, large quantity 1 [24 pictures] Beijing supports cash on delivery ~ Student group purchases can be sent directly back to school with people and bicycles! Support corporate orders, stores... Haidian - ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":663,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University second-hand fixed gear bicycle purchase\"\nQuery Dwell Time: 22.63 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 663\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-27 \/ General merchants 139 yuan Factory direct sales of various bicycles starting from 140 yuan wholesale, group purchase, large quantity 1 [24 pictures] Beijing supports cash on delivery ~ Student group purchases can be sent directly back to school with people and bicycles! Support corporate orders, stores... Haidian - ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.11 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":0
+  },
+  {
+    "id":664,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Buying second-hand fixed gear bicycles in Haidian District, Beijing\"\nQuery Dwell Time: 135.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 664\nTitle: \"\u3010Women's Fixed Gear Bicycle\u3011_Second-hand_Transfer_Recycling \u2013 Xianyu\"\nSummary: \"I am in Beijing Haidian. If you are interested, please leave me a message! 4 hours ago Bai Xinyue bxy Heilongjiang Qiqihar If you are interested, please leave me a message! 4 hours ago Hua De Diaoling 00 Liaoning Panjin A small girl's bicycle, I bought it and kept it at work. I haven't...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 57.31 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":665,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Buying fixed gear bicycles in Haidian District, Beijing\"\nQuery Dwell Time: 71.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 665\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"The earliest fixed-gear shop in Beijing, owned by German Yi Quan. Customers can order custom-made bicycles there, or buy imported frames directly... Home Discover Topics Login Join Zhihu Beijing Bicycle Fixed Gear (fixed-gearbicycle) 50 Views 7954 Check...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 37.33 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":666,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bike purchase\"\nQuery Dwell Time: 89.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 666\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling track bicycle competition, called \"racing wheel\", in China...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.53 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":667,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bike purchase\"\nQuery Dwell Time: 89.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 667\nTitle: \"Fixed Gear Bicycles High-end Fixed Gear Bicycles - Ade Purchasing Network\"\nSummary: \"Transportation Non-motorized vehicle Bicycle Price: 0 Seller: Xu Mohan Mobile: 15302090319 Inquiry: Please inform me when contacting me from Ade Procurement Network Keywords: Fixed Gear Bicycle High-end Fixed Gear Bicycle Fixed Gear Bicycle DIY Color Matching Fixed Gear Bicycle View...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":668,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 761.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 183.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 668\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 177.79 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":669,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 558.56 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights allow luggage weight and volume restrictions\"\nQuery Dwell Time: 538.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 669\nTitle: \"Are there any requirements for luggage that can be brought on board international flights? - Mafengwo\"\nSummary: \"If the weight or volume exceeds the above limits, it should be checked in as checked baggage. Share Add Comment Collection The precautions for carry-on baggage on international flights and domestic flights are similar. Don't bring things that are not allowed, just don't exceed the weight. For example, if the baggage exceeds 100ml... 512 views 0 people follow Follow Answer 7 answers When taking international flights, the total weight of hand luggage is 7 kg (some airlines...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":670,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 558.56 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights allow luggage weight and volume restrictions\"\nQuery Dwell Time: 538.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 670\nTitle: \"How much luggage can be carried on international flights? - _New Knowledge Information\"\nSummary: \"Generally, domestic and international flights... What is the maximum weight limit for carry-on luggage on an airplane? ... 1. Restrictions on carry-on luggage \u2474. On domestic flights: The total weight of a passenger's hand luggage should not exceed 5 kilograms, and the volume of each piece of luggage should not exceed...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 159.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":671,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 558.56 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights allow luggage weight and volume restrictions\"\nQuery Dwell Time: 538.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 671\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 277.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":672,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 672\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.12 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":673,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 673\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.13 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":674,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 674\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.45 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":675,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 72.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 675\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.71 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":676,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 72.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 676\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.73 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":0
+  },
+  {
+    "id":677,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 72.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 677\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":678,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 82.21 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 678\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.92 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":679,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 82.21 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 679\nTitle: \"The most effective way to quit smoking\"\nSummary: \"The most effective way to quit smoking Special articles Related topics Related content The most effective way to quit smoking may be contributed by netizens. If it infringes your rights, please contact this site in time to delete it. ishuo.cn\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":680,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 218.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 82.21 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 680\nTitle: \"Effective ways to quit smoking_Chinese Text Library\"\nSummary: \"Choose a smoking cessation method that suits you 1. One-time total quitting method: Smoke as much as you can the day before quitting, until... Talking to someone who cares about you and is willing to listen, sharing your stress and troubles, this is the most effective way to overcome smoking again... The most effective...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":681,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 681\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us the actual use of Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located on the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 224.56 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":682,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 682\nTitle: \"12 interesting features of Google Glass - Review - Papaocar offline game download website\"\nSummary: \"Google Glass has many interesting functions. However, many people don't know much about this high-tech sci-fi thing. Now, let's introduce the 12 interesting functions of Google Glass.\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":683,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 683\nTitle: \"The five best features of Google Glass What is Google Glass good for - PPS Video\"\nSummary: \"Press and hold the video to drag The five best features of Google Glass What is Google Glass good for People subscribed Play: Download | Coming soon Loading...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.76 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":684,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 684\nTitle: \"Introduction to the functions of Google Glass_Baidu Experience\"\nSummary: \"How to prevent addiction to wearing Google Glasses Introduction to the functions of Google Chrome Foreign Trade Edition Ranking, see the world with a technological perspective! Ranking, top design, intelligent visual world, technology brings you extraordinary enjoyment! \"Tian... www.tmall.com Writing sutras...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":685,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 582.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 685\nTitle: \"Do you know that these functions of Google Glass are amazing? -Phoenix Video-The most media-quality comprehensive...\"\nSummary: \"Did you know that these features of Google Glass are amazing?\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 294.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":686,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 80.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 686\nTitle: \"How much does Google Glass cost? Google Glass may cost less than $1,500 - Green Tea Article Center\"\nSummary: \"How much does Google Glass cost? Many friends are concerned about the price of Google Glass. Today, Green Tea Editor will tell you how much Google Glass costs. Let's take a look! How much does Google Glass cost? Google Glass price exposed American technology website...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.97 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":687,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 696.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 80.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 687\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":688,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in mainland China\"\nQuery Dwell Time: 58.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 688\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":689,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support mainland operators?\"\nQuery Dwell Time: 83.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 689\nTitle: \"Can the Hong Kong version of iPhone be used in the mainland? - Can the Hong Kong version of iPhone 6 be used in the mainland? The difference between the Hong Kong version of iPhone 6 and the...\"\nSummary: \"The quality of the mobile phone is the same. iPhone is made by Apple... Can the US version of iPhone 6 be used in mainland China? ... US... It can be used in mainland China. Since there is no operator operating CDMA network in Hong Kong, the purchased Hong Kong version mobile phone cannot support telecom mobile...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 59.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":690,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 pays customs duty\"\nQuery Dwell Time: 163.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 690\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":691,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 691\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.02 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":692,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 96.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 692\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than those sold in China, and iPhone 6 is no exception. However, do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.18 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":693,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 159.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 693\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"Items that need to be declared when leaving the country are exempt from customs duties according to customs regulations. 2. If the price of the mobile phone you bought in Hong Kong is... Indeed, at the current price of 100... How much does it cost to buy an iPhone 6 in Hong Kong now... Both the 4.7-inch and 5.5-inch iPhone 6 have 16GB, 64...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":694,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 159.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 694\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. ... [No.: 61496] Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country?\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":695,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 610.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 159.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 695\nTitle: \"I am going to Hong Kong at the end of the month. How should I buy an iPhone? Do I need to pay taxes when going through customs? - Yue Travel\"\nSummary: \"You have to pay 20% tariff, which means you have to pay tax if you bring one iPhone 6. Of course, if you pay tax normally, it doesn't matter how many you bring... If the total price of things you buy from Hong Kong is less than RMB5000, you don't have to pay tax. If it exceeds RMB5000, you have to pay tax. For safety reasons, put the package...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 102.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":696,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 217.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 176.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 696\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.3 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":697,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 217.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 176.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 697\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"All comments from users of Dianping.com about Beijing Chenming Swimming Pool (Tsinghua University Swimming Pool). (Very good) Environment 4 (Very good) Value for money 4 (Very good) Our school's swimming pool is good value for money. There are not many people at noon, but at night...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.49 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":698,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 217.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 176.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 698\nTitle: \"[Tsinghua University Chen Ming Swimming Pool Parking Lot] Tsinghua University Chen Ming Swimming Pool Parking Lot Phone, Tsinghua...\"\nSummary: \"Address: Near Chen Ming Swimming Pool, Tsinghua University, Haidian District, Beijing Phone No, I will add Category: Parking Lot Traffic Guide Bus stops near Chen Ming Swimming Pool Parking Lot, Tsinghua University: Dashiqiao, Dashiqiao North, Qianbajia, Shuangqing Road South Exit,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.11 ms on the document.\nDocument's click-through rate (CTR) is 0.03\n",
+    "usefulness_score":0
+  },
+  {
+    "id":699,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 699\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 229.43 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":700,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 700\nTitle: \"Liaoning aircraft carrier conducts ship-aircraft integration, Navy commander and political commissar present - Sohu Military Channel\"\nSummary: \"December 25, 2015 - Liaoning aircraft carrier conducts ship-aircraft integration training [Abstract] Today, the Liaoning aircraft carrier of the Navy conducted ship-aircraft integration training in a certain sea area in the Bohai Sea. A new batch of J-15 carrier-based fighter pilots completed multiple training courses such as touch-and-go and arrested landing. ...\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.78 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":701,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 701\nTitle: \"Liaoning aircraft carrier fleet will go to Hong Kong to participate in the 20th anniversary celebration | aircraft carrier fleet | Hong Kong | Ministry of National Defense_...\"\nSummary: \"June 29, 2017 -Reporter: President Xi Jinping arrived in Hong Kong today and will attend the celebration of the 20th anniversary of Hong Kong's return to China. According to media reports, as part of the celebration, China's first aircraft carrier Liaoning will also visit Hong Kong in July. Please...\"\nRank: 12\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.53 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":702,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 702\nTitle: \"Liaoning aircraft carrier visits Hong Kong, open to visitors on Saturday - Hong Kong Wen Wei Po\"\nSummary: \"July 3, 2017 - The Liaoning and its affiliated ships will also hold a ship open event. Liang Yang said that this year marks the 20th anniversary of Hong Kong's return to China and the PLA's stationing in Hong Kong. The Navy's aircraft carrier fleet's visit to Hong Kong to participate in the celebration activities will further strengthen Hong Kong compatriots' confidence in Hong Kong.\"\nRank: 13\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":703,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning Advantages\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 703\nTitle: \"Liaoning's personal channel\"\nSummary: \"Set background image Web page effect preview Upload background image to better promote brand image Highlighted area is mobile phone display effect Drag to change background selection area Set sail Liaoning ship Track the latest military developments, pay attention to the latest military equipment, and provide military fans with...\"\nRank: 17\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.71 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":704,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 704\nTitle: \"Liaoning aircraft carrier sets sail for routine training and testing - Current Affairs - People's Daily Online\"\nSummary: \"June 13, 2015 - According to Xinhua News Agency, yesterday morning, my country's first aircraft carrier Liaoning set sail from a military port in Qingdao and went to relevant waters for routine training and scientific research experiments. The naval agency carried out training on the Liaoning and the aircraft carrier command organization...\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":705,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 373.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 705\nTitle: \"Liaoning Ship_Page 1_Tags_NetEase Women\"\nSummary: \"Xinhua News Agency, Beijing, January 12, New Media Special (Reporter Wu Dengfeng) Chinese Navy spokesperson Liang Yang told reporters on the 12th that in the early morning of the 12th, the Liaoning fleet, which was going to the South China Sea to carry out cross-sea training and testing, passed through the Taiwan Strait and continued to carry out follow-up tasks. ...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":706,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 41.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 706\nTitle: \"Liaoning aircraft carrier latest news_video online viewing - 56.com\"\nSummary: \"Liaoning Ship Latest News - Liaoning Ship Latest News, Liaoning Ship Latest News, Album Latest News Hot News China-Russia military exercise is about to open. Officers and soldiers of both sides boarded the ship to visit the Liaoning Ship J-15 carrier-based aircraft formation training MV \"Flying Shark\" Liaoning Ship carrier-based aircraft formation training...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.37 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":707,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 41.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 707\nTitle: \"Liaoning aircraft carrier's South China Sea training experiment achieved \"two firsts\" Future information system training deserves attention - ...\"\nSummary: \"January 2, 2014 - Professor Han Xudong said that from the perspective of the next step of training, the biggest highlight of the Liaoning ship is the training of the information system. According to the process of international aircraft carriers forming combat effectiveness, it is generally divided into three stages. The first stage is the carrier-based aircraft and aircraft carrier...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":708,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 481.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 41.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 708\nTitle: \"The official did not disclose more information about the return of the Liaoning ship to the shipyard. Judging from the photos taken at the shipyard,...\"\nSummary: \"The official did not disclose more information about the return of the Liaoning to the shipyard. From the photos taken at the shipyard, the Liaoning first moored at the dock.\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.35 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":709,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 200.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice-breaking game for employees 10 people\"\nQuery Dwell Time: 172.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 709\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":710,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 200.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice-breaking game for employees 10 people\"\nQuery Dwell Time: 172.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 710\nTitle: \"18 Ice-breaking Games (for warming up the audience) - Training Games - Trainer Community\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":711,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 711\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.34 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":712,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 712\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":713,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 713\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.13 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":714,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 228.91 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 714\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.83 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":715,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Garden Expo Park Guide\"\nQuery Dwell Time: 29.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 715\nTitle: \"Beijing Garden Expo Guide\"\nSummary: \"There are 6 entrances to Beijing Garden Expo Park. If you take the subway, it is close to Gate 1. If you drive, the parking lot is close to Gates 3, 4, and 5. Gate 3 is the main entrance, and the main venue is inside. Gate 6 is closest to the iconic building, Yongding Tower. Set it according to your focus...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":716,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide\"\nQuery Dwell Time: 44.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 716\nTitle: \"Travel guide from Beijing_Beijing travel guide\"\nSummary: \"Xinxin Travel Network Travel Guide: There are many tourist attractions around Beijing. Take advantage of the holidays to start from Beijing and visit the surrounding cities. Here is a complete guide for traveling around Beijing.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":717,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide for May Day\"\nQuery Dwell Time: 72.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 717\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"Where to go in Beijing on May Day, 2017, where to go in Beijing on May Day, Marriott International Group grandly unveiled the Four Points by Sheraton Changsha, China ... Where to go in Beijing on May Day? Where to go in Beijing on May Day? Good places to go in Beijing on May Day: ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":718,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide for May Day\"\nQuery Dwell Time: 72.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 718\nTitle: \"Detailed guide for traveling around Beijing during the May Day holiday in 9 districts and 2 counties (Part 5)_NetEase Travel\"\nSummary: \"April 23, 2010 - 9 districts and 2 counties \"May 1st\" Beijing surrounding area detailed guide (Part 5) Beijing surrounding area Beijing suburbs May 1st guide\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":719,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 456.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Tour Guide for May Day\"\nQuery Dwell Time: 72.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 719\nTitle: \"Beijing Tours during the May Day Holiday, 2017 Beijing Tours - Mafengwo\"\nSummary: \"The May Day holiday is just around the corner. Have you decided where to go? Don't stay at home and waste your precious time. Beijing friends may want to take a tour around the city to relax. So, what are the good places to go around Beijing during the May Day holiday?\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":720,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 93.99 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 720\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.54 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":721,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 93.99 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 721\nTitle: \"Fixed Gear Bicycle for Students_Fixed Gear Bicycle for Students Price_High Quality Fixed Gear Bicycle for Students Wholesale\/Purchase...\"\nSummary: \"Huicong.com's Fixed Gear Bicycle Student Micro-Portal collects rich content about Fixed Gear Bicycle Student, providing users with various fixed gear bicycle student supply and demand information prices, fixed gear bicycle student information, fixed gear bicycle student pictures, fixed gear bicycle...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.92 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":722,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase\"\nQuery Dwell Time: 93.99 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 722\nTitle: \"Fixed Gear Bicycles High-end Fixed Gear Bicycles - Ade Purchasing Network\"\nSummary: \"Transportation Non-motorized vehicle Bicycle Price: 0 Seller: Xu Mohan Mobile: 15302090319 Inquiry: Please inform me when contacting me from Ade Procurement Network Keywords: Fixed Gear Bicycle High-end Fixed Gear Bicycle Fixed Gear Bicycle DIY Color Matching Fixed Gear Bicycle View...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":723,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 58.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 723\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":724,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 109.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 724\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.52 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":725,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 109.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 725\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 76.81 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":726,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 317.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 109.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 726\nTitle: \"\u3010Fixed Gear Bicycle\u3011Fixed Gear Bicycle Price_Fixed Gear Bicycle Wholesale - SouLeWang\"\nSummary: \"Hangu Tianjin Fixed Gear Bicycle: To buy a reasonably priced Tianjin Fixed Gear Bicycle, Aowei Bicycle is the first choice. After the transaction is completed, Aowei Bicycle will promptly arrange for delivery the next day after the order is placed. [Beijing Xuanwu District] Quote: \uffe5 245.00 Which manufacturer in Tianjin...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.81 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":1
+  },
+  {
+    "id":727,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 727\nTitle: \"Regarding the luggage weight of international flights! ! ! -\"\nSummary: \"Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (three sides...International flight checked luggage regulations: Airlines' regulations on luggage for boarding. Taking domestic flights, each...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.97 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":728,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 728\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 124.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":729,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 729\nTitle: \"The total weight of the luggage carried by passengers on international flights shall not exceed 5 kg and the volume shall not exceed 20*40*...\"\nSummary: \"True or False The total weight of the luggage carried by passengers on international flights cannot exceed 5 kg, and the volume cannot exceed 20*40*55 cm.\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":730,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 323.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 730\nTitle: \"How many pieces and weight of carry-on luggage can I take on international flights?\"\nSummary: \"If your single piece of luggage exceeds 32 kg, such as large musical instruments, sports equipment, and photo\/video equipment, we recommend... There are strict limits on the amount of liquids, aerosols, and gels that passengers on international flights can carry in their hand luggage. LAG items...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":731,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 105.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 731\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.63 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":732,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 105.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 732\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"When Chinese students go abroad to study, packing is a necessary preparation for many students. However, when packing, you need to first understand the baggage regulations of the international flights you are taking. There are strict requirements for the weight of luggage on the plane. Let's take a look...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.91 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":733,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 733\nTitle: \"The latest regulations on carry-on baggage on international flights - Yue Travel\"\nSummary: \"There are no specific regulations for domestic flights, and it is no problem to fill your suitcase with cigarettes. International flights generally only allow two packs of cigarettes, and the rest need to be checked in. Once you are found to be carrying more than two packs of cigarettes, the punishment is very severe. For domestic flights, there is no restriction on cigarettes. Generally...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":734,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 734\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which luggage must be carried on international flights? I already know that nail clippers and scissors must be checked in... Laptops and cameras are also carried on. 2. If your free checked baggage is limited to 20kg, then it can only be 20kg (cannot...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":735,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 735\nTitle: \"Requirements for the number, weight and size of checked and carry-on baggage on certain international flights - Baidu Library -...\"\nSummary: \"The number, weight and size requirements for checked and carry-on baggage on certain international flights are generally consistent with the international regulations that the sum of the three sides of each piece should not exceed 158 cm (economy class). For example, if the three sides of your suitcase are 70, Page 1\/5 1. Ordinary...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":736,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 663.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Carry-on baggage Checked baggage\"\nQuery Dwell Time: 149.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 736\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"\u3010Number of checked baggage\u3011General requirements for the number, weight, and size of checked and carry-on baggage on international flights. International flights have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA Zones 1 and 3, the piece-based system is used, and the regulations...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":737,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 50.26 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 737\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.54 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":738,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 738\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.63 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":739,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 739\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.37 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":0
+  },
+  {
+    "id":740,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1027.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 18.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 740\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.73 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":741,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 159.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 741\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":742,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 159.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 742\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.78 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":743,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 159.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 743\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.18 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":744,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 744\nTitle: \"Google: The correct way to use Google Glass: Micro-interaction - Internet - Vision Forum - Microsoft Geeks...\"\nSummary: \"According to the BBC, Google recently warned people not to use Google Glass for a long time because it may cause pain. Google said that Google Glass is not for reading \"War and Peace\" and the eyes need time to adapt. Previously, some users complained that wearing Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.9 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":745,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 745\nTitle: \"Google Glass User Manual Q&A_Human-computer interaction technology Google Glass-Nakin.com\"\nSummary: \"Do you know how to use Google Glass after you buy it? Are the functions of Google Glass easy to use? Is Google Glass waterproof? How magical is Google Glass? ... With these questions, we collected answers from users who have used Google Glass, and finally put together the answers that they think ... ...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":746,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 746\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass [ati bar]_Baidu Post Bar\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.53 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":747,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 115.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 747\nTitle: \"The correct way to use Google Glass\"\nSummary: \"Sina Weibo: weibo.com\/WYXAPH Twitter: twitter.com\/YX_Wong Contributors: 0 Followers: -- Collection Coins - Watch later Mark it~ Watch it on your phone Offline viewing is more convenient The correct way to use Google Glass Use Bilibili client or other...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.0 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":0
+  },
+  {
+    "id":748,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 748\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.69 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":749,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 749\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":750,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 750\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":751,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 463.44 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 118.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 751\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.43 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":752,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 752\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"6 issued network license, the new iPhone will be launched in mainland China on October 17, iPhone 6 and iPhone 6 Plus prices start at 5288 yuan and 6088 yuan respectively. This is higher than the original price when it was launched in Hong Kong. Apple...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 144.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":753,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 753\nTitle: \"iPhone 6 price in mainland China is more than 800 yuan higher than in Hong Kong, it is better to buy it directly in HK_Mobile Shenzhen Tong...\"\nSummary: \"iPhone 6 mainland price..., the new iPhone will be available in mainland China on October 17th, check out the prices, iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively! They are more than 800 yuan and 1000 yuan higher than the Hong Kong prices! ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.49 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":754,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 754\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"This time, the iPhone 6 and iPhone 6 Plus, which are even more stylish, were not launched in mainland China, which led to Hong Kong once again... Located in the heart of Central, the hottest shopping area in Hong Kong, the transportation and location are very convenient. [How to buy] If...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 122.24 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":755,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 755\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.53 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":756,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 756\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt the method of online reservation and lottery, and then pay and pick up the phone in the store. This can effectively control the flow of people, prevent scalpers, and disrupt public security order.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 59.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":757,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 757\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"6 issued network license, the new iPhone will be launched in mainland China on October 17, iPhone 6 and iPhone 6 Plus prices start at 5288 yuan and 6088 yuan respectively. This is higher than the original price when it was launched in Hong Kong. Apple...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":758,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 China Hong Kong price\"\nQuery Dwell Time: 876.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 758\nTitle: \"iPhone 6 price in mainland China is more than 800 yuan higher than in Hong Kong, it is better to buy it directly in HK_Mobile Shenzhen Tong...\"\nSummary: \"iPhone 6 mainland price..., the new iPhone will be available in mainland China on October 17th, check out the prices, iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively! They are more than 800 yuan and 1000 yuan higher than the Hong Kong prices! ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.28 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":759,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 759\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt the method of online reservation and lottery, and then pay and pick up the phone in the store. This can effectively control the flow of people, prevent scalpers, and disrupt public security order.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":760,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 760\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"This time, the iPhone 6 and iPhone 6 Plus, which are even more stylish, were not launched in mainland China, which led to Hong Kong once again... Located in the heart of Central, the hottest shopping area in Hong Kong, the transportation and location are very convenient. [How to buy] If...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.85 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":761,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 761\nTitle: \"How to make an appointment to buy iPhone 6 in Hong Kong - Article\"\nSummary: \"Plan 1: Based on the purchase method of iPhone 5s in Hong Kong and China, it is expected that iPhone 6 will adopt the method of online reservation and lottery, and then pay and pick up the phone in the store. This can effectively control the flow of people, prevent scalpers, and disrupt public security order.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":762,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Where to buy\"\nQuery Dwell Time: 690.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 762\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.28 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":763,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 763\nTitle: \"IPHONE6 import agent \/\/ Apple 6 mobile phone Hong Kong import tariff\"\nSummary: \"IPHONE6 import agent \/\/ Hong Kong import tariffs for iPhone 6 \/\/ iPhone import customs clearance \/\/ US import procedures for Apple phones \/\/ How to import iPhone phones from Japan to Chinese agents \/\/ Hong Kong tax-inclusive import of iPhone 6 Now Apple iPhone 6 has...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 83.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":764,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 764\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 49.06 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":765,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 765\nTitle: \"The fastest way to get it? How to buy iPhone 6 overseas? The speed of three shipping channels: Japan, US and Hong Kong, tariffs and...\"\nSummary: \"\uffe54450-\uffe54650 As a commoner with no connections, there are countless scalpers in Hong Kong channels, and the chances of getting the goods at such a low price are very low. Detailed explanation of direct mail tariffs 10% tariff, because the customs determined that the value of the iPhone is 5,000 yuan, 16...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.62 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":2
+  },
+  {
+    "id":766,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 226.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 766\nTitle: \"iPhone 6 direct mail to China needs to pay attention to several issues (reprinted)_Singapore_Tianya Forum_Tianya...\"\nSummary: \"Of course, you can still mail the iPhone 6 back from Hong Kong. The iPhone 6 mailed back must go through customs. From the current new...How is the tariff calculated? Thank you! Answer: Hello, according to the General Administration of Customs Announcement No. 43 of 2010, personal post office goods...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.98 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":767,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1328.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operator network\"\nQuery Dwell Time: 80.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 767\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":768,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 30.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 8.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 768\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.58 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":769,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 30.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 8.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 769\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.33 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":2
+  },
+  {
+    "id":770,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 72.27 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 770\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"On both sides of the aircraft carrier, the bow (near the bow or the front of the aircraft carrier) is equipped with 18 missile launchers for the FL-3000N. There is also a FL-3000N system installed at the stern (the rear of the ship), followed by an AK-1030 naval gun. According to the US \"Military Aviation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":771,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 71.12 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 771\nTitle: \"Information about the Chinese aircraft carrier Liaoning\"\nSummary: \"The transformation from private ownership to public ownership of data... But the new Chinese navy can defend the sea borders. What is the main reason for this change? (2 points) [Source: Academic, Science, Network Z, X, X, K] [Emerging] (5) With the first launch of the Chinese aircraft carrier \"Liaoning\"...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.69 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":772,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 71.12 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 772\nTitle: \"The popularity of Liaoning remains high, and model airplanes made of building blocks are popular among netizens - Sohu Education\"\nSummary: \"March 14, 2013 - To this end, our designers searched for all the information related to the Liaoning, from the proportions and dimensions of the aircraft carrier, the details of the hull, to the determination of the types of carrier-based aircraft, and went through more than 10 revisions and adjustments. Finally, in the new year of 2013...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":773,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 71.12 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 773\nTitle: \"Data map: Liaoning aircraft carrier\"\nSummary: \"January 1, 2014 - On January 1, China's first aircraft carrier, the Liaoning, successfully completed a 37-day scientific research test and training in the South China Sea and returned to a military port in Qingdao on the morning of January 1. The Liaoning left a military port in Qingdao on November 26, 2013...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":774,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Advantages and Disadvantages\"\nQuery Dwell Time: 296.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 774\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it_NetEase News\"\nSummary: \"November 29, 2016 - [Global Network Military November 28 report] According to an article on the website of Japan's \"Diplomat\" magazine on November 26, after three years of training, Beijing announced that the \"Liaoning\" aircraft carrier and related air combat forces are ready for combat...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":775,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Advantages and Disadvantages\"\nQuery Dwell Time: 296.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 775\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. In this special... Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 182.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":776,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Advantages and Disadvantages\"\nQuery Dwell Time: 296.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 776\nTitle: \"Japanese media: China's Liaoning aircraft carrier is average in strength and opponents can easily deal with it_NetEase News\"\nSummary: \"November 29, 2016 - [Global Network Military November 28 report] According to an article on the website of Japan's \"Diplomat\" magazine on November 26, after three years of training, Beijing announced that the \"Liaoning\" aircraft carrier and related air combat forces are ready for combat...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":777,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 57.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 777\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.97 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":778,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 57.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 778\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.63 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":779,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 639.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 57.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 779\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.04 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":780,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 780\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":781,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 781\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.22 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":782,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 782\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.38 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":783,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 783\nTitle: \"(Ice-breaking games collection.doc\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable for: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":784,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 784\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of people: 10-20 people, preferably half male and half female. Game method: 1. This game is a game of answering \"yes\" and \"no\". But the answer must be insincere and reverse the facts. 2. For example: say to a boy: \"...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":785,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 785\nTitle: \"Super Practical Ice Breaking Game.doc\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 29.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":786,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10-player icebreaker game\"\nQuery Dwell Time: 167.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 786\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":787,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 295.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 105.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 787\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 101.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":788,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 122.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 788\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 38.13 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":1
+  },
+  {
+    "id":789,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 122.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 789\nTitle: \"Tourist attractions around Beijing, Beijing tourist attractions, farmhouses, farmhouses | Tour Beijing Suburbs\"\nSummary: \"Beijing Suburbs Travel Information Network - Comprehensive information on tourist attractions around Beijing and farmhouses in the suburbs of Beijing, collected and organized by the webmaster for reference by travel enthusiasts.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":790,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 122.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 790\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.74 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":791,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Chengde Bashang Grassland\"\nQuery Dwell Time: 100.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 791\nTitle: \"The most interesting grassland in Chengde Bashang Grassland\"\nSummary: \"Consultation hotline: 0371-53751122 \/ 53751133 Everyone has a grassland dream. The Ulanbutong Grassland in Bashang Grassland allows everyone to feel the true beauty of the grassland. This is not only a paradise for photography, but also the shooting base for many film and television works...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":792,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Chengde Bashang Grassland\"\nQuery Dwell Time: 100.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 792\nTitle: \"Chengde Bashang Grassland\"\nSummary: \"Bashang specifically refers to the area formed by the sudden rise of grassland, and the meadow-like grassland formed due to climate and vegetation. It now generally refers to the area from 100 kilometers north of Zhangjiakou to 100 kilometers north of Chengde, collectively known as the Bashang area. Bashang is divided into...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.69 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":793,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Chengde Bashang Grassland\"\nQuery Dwell Time: 100.31 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 793\nTitle: \"Chengde Bashang Grassland_Technical Articles_China Encyclopedia\"\nSummary: \"There are many colorful wild flowers in Chengde Bashang Grassland, such as nasturtium, mountain poppy, dandelion, purple-red burdock, steel flower, snow-white celery, silver anemone, blue delphinium, Aconitum, pink fireweed, etc.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.47 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":794,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 289.24 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing to Chengde Bashang Grassland Price\"\nQuery Dwell Time: 26.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 794\nTitle: \"How much does it cost to join a tour group from Beijing to Chengde: Chengde Mountain Resort and Fengning Bashang Grassland for two people for three days...\"\nSummary: \"How much does it cost to join a tour group from Beijing to Chengde: Chengde Mountain Resort, Fengning Bashang Grassland, two-seater three-day tour Chengde Mountain Resort, Fengning Bashang Grassland, two-seater three-day tour View route details >> Beijing surrounding tour route provider: Beijing China Travel Service ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":795,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Purchase\"\nQuery Dwell Time: 36.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 795\nTitle: \"[Shuangyushu second-hand venue\/fixed gear|Shuangyushu second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"[24 pictures] Fixed Gear Shopping creates high-quality fixed gears, challenges the industry's price bottom line, and creates the lowest price and better quality fixed gears. We... Haidian \/ 11-08 \/ Ordinary merchants 650 yuan Beijing's lowest fixed gear store Fixed Gear Shopping Price and quality will satisfy you [24 pictures] Fixed Gear...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.37 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":796,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 96.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 796\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.55 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":797,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 96.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 797\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.63 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":798,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 96.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 798\nTitle: \"\u3010dex fixed gear\u3011_second-hand_transfer_recycling \u2013 Xianyu\"\nSummary: \"Loading, please wait... Region selection May I ask your name? Quanzhou, Fujian Second-hand fixed gear bike. It is old and can no longer be ridden. Bought in a physical store. More than 2,000 yuan. It is a bit dirty after not riding for a long time. 800 yuan, not including postage, and comes with two different bicycle stands and a bull handlebar...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 33.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":799,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Bicycle Store\"\nQuery Dwell Time: 44.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 799\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"tnjmjohmjmz Dear netizens, where are the physical stores selling bicycles near Tsinghua University, Peking University, Beijing University of Science and Technology, and Physical Education University? Please report any political\/pornographic violations. tnjmjohmjmz 09-24 10:30:39 Thank you ls Zbohnbo Tsinghua West Gate to the north, beautiful...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":800,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Bicycle Store\"\nQuery Dwell Time: 44.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 800\nTitle: \"[Bicycle Store] Is it cheaper to buy a bicycle online than in a physical store? \/ There are many things you can buy online...\"\nSummary: \"[Bicycle Store] Is it cheaper to buy a bicycle online than in a store? \/ There are many things that are cheaper online than in a store, such as ZIPPO. But I don\u2019t know if the price difference is big for bicycles? But I know that there are many rare items online, and many parts are hard to buy.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":801,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"map\"\nQuery Dwell Time: 23.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 801\nTitle: \"Beijing map | 3D Beijing map | Beijing map query | Beijing electronic map | Beijing map E city\"\nSummary: \"Provide Beijing map, Beijing map query, 3D Beijing map, 2D Beijing map, satellite Beijing map, bus route query map, tourist routes, traffic routes, subway lines, road attractions, Beijing map and other services, E City Beijing...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.92 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":802,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Maps near Tsinghua University\"\nQuery Dwell Time: 44.95 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 802\nTitle: \"Tsinghua University Map, Beijing Tsinghua University High Definition Map - City Bar Travel Map\"\nSummary: \"Tsinghua University map, high-definition map of Tsinghua University in Beijing (click to view large image) Everyone's impression: The cultural atmosphere is strong, the style is very modern, and the school has a long history and a strong historical atmosphere. The strong academic atmosphere, feel the highest institution of learning...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.59 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":803,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baidu Map\"\nQuery Dwell Time: 59.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 803\nTitle: \"Home - Baidu Map\"\nSummary: \"Download Baidu Mobile Maps and save 90% of traffic! Edit View Map View Real-time Traffic Food Hotel Cinema Bus Station Railway Station Internet Cafe Hotel Shopping Mall Bar Cafe Bathhouse Attraction Supermarket Convenience Store Bank ATM Post Office Toilet Hospital Pharmacy Add...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":804,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baidu Map\"\nQuery Dwell Time: 59.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 804\nTitle: \"Baidu Map Open Platform | Baidu Map API SDK | Map Development\"\nSummary: \"Baidu Map API is a set of free application programming interfaces based on Baidu Maps for developers, including JavaScript, iOS, Android, static maps, Web services and other versions, providing basic maps, location search, surrounding search,...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.1 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":805,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 419.48 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baidu Map\"\nQuery Dwell Time: 59.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 805\nTitle: \"Baidu Map Annotation Center\"\nSummary: \"Baidu Maps provides free annotation and claiming services, which allow you to independently manage your business details page, update business dynamics in real time, and enrich business information, allowing customers to fully understand you and find you, thereby enhancing your brand awareness.\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":806,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 806\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.42 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":807,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 807\nTitle: \"International Flights and Baggage\"\nSummary: \"Although I have asked around for information on luggage preparation, I have no real experience unless I actually go there. Since I prepared my suitcases too early, I... If I don't understand, I will ask the young people around me who speak fluent American English. There are many such people on international flights. After the first time, I will...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.2 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":1
+  },
+  {
+    "id":808,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 808\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"When Chinese students go abroad to study, packing is a necessary preparation for many students. However, when packing, you need to first understand the baggage regulations of the international flights you are taking. There are strict requirements for the weight of luggage on the plane. Let's take a look...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.92 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":809,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 252.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 809\nTitle: \"I have a question about checked baggage on international flights\"\nSummary: \"Article topic: A question about luggage check-in for international flights He Dazhuang@\u5976\u5a03 Identity User Article Constellation Scorpio Points Level Dongting (8) Sender: happyness123 (Happy Life), Message area: Flyers Tianjin-Shenzhen CA...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":810,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 362.66 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Liquid baggage\"\nQuery Dwell Time: 80.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 810\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"What to do if there are liquids in checked baggage on international flights? 1. Passengers on Chinese international flights can carry no more than 1 liter (L) of liquids (excluding alcohol) per person each time. The excess must be checked in.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":811,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 380.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 165.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 811\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 156.99 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":812,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 380.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 94.89 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 812\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 89.72 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":813,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 813\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.57 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":814,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 814\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.2 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":815,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 815\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":816,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 27.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 816\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":817,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 165.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 22.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 817\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.62 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":818,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 142.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 818\nTitle: \"...Full Network Shanghai Price\u3011Shanghai Apple iPhone 6 Full Network Latest Price_iPhone 6 Full Network...\"\nSummary: \"Version selection Network: Mobile 4G Dual 4G Full Netcom Version: 16GB Licensed 32GB Licensed 64GB Licensed 128GB Licensed You have been located in Shanghai, the version is 32GB Licensed, local reference price: Switch city Please select a city Monthly price...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 126.06 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":819,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 819\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 1015 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.22 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":820,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 820\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.34 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":821,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 821\nTitle: \"Does anyone know the market price of iPhone 6 in Hong Kong? ? ? - Small City Life - Jiangyin Forum -\"\nSummary: \"I want to buy 2 iPhone 6s, 4.7 16G and 64G. I don't know what the price is in Hong Kong. Is it the same as the Hong Kong version here? I want someone to bring 2 back~~~ Does anyone know the market price of iPhone 6 in Hong Kong? ? ?, Jiyang Community\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":822,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong purchase iPhone 6\"\nQuery Dwell Time: 138.3 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 822\nTitle: \"Hong Kong purchase Apple iPhone 6 [multiple pictures]_price_picture - Tmall selection\"\nSummary: \"Tmall selected Hong Kong purchasing Apple iPhone 6 special topic, we selected 160 products related to Hong Kong purchasing Apple iPhone 6 for you based on price, evaluation, and sales volume\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.24 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":823,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong purchase iPhone 6\"\nQuery Dwell Time: 138.3 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 823\nTitle: \"Hong Kong purchase iPhone 66 - Transaction\/Card Number - 16th\"\nSummary: \"The owner of the store is in Hong Kong and goes to Shenzhen to ship goods every week. There are receipts, and you can also trade face to face. Hong Kong purchases iPhone 66, 16 Fan\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":824,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong purchase iPhone 6\"\nQuery Dwell Time: 138.3 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 824\nTitle: \"Does iPhone 6 Hong Kong purchasing support national warranty? How much is iPhone 6 16g in Hong Kong now? - Apple...\"\nSummary: \"A must-have for digital enthusiasts Does the Zhongguancun Online client iPhone6 \u200b\u200bHong Kong purchasing agent support national warranty? How much is the iPhone6 \u200b\u200b16g in Hong Kong now? Views Followers 3 answers Default sorting Default sorting Sort by time Large appliances Hong Kong version can...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 67.69 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":825,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 89.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 825\nTitle: \"Apple (Hong Kong)\"\nSummary: \"Discover the innovative world of Apple and shop iPhone, iPad, Apple Watch, Mac and Apple TV, as well as explore accessories, entertainment and get expert device support.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":826,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 89.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 826\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, plus explore accessories, entertainment, and expert device support.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":827,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 89.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 827\nTitle: \"Hong Kong Apple official website\"\nSummary: \"Liqu shares mobile applications related to Hong Kong Apple Official Website. The editor recommends the latest information of Hong Kong Apple Official Website for you. Hong Kong Apple Official Website is an application pushed to you by Liqu Mobile App Store. To find Hong Kong Apple Official Website, go to Liqu\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":828,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Can iPhones from Hong Kong be used in mainland China?\"\nQuery Dwell Time: 55.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 828\nTitle: \"Can an iPhone purchased in Hong Kong be used normally in the country? Let me tell you the answer - Lei Technology\"\nSummary: \"November 2, 2017 -Due to the cost-effectiveness, many friends have set their sights on the overseas\/Hong Kong version of the iPhone. But before buying, they are also full of doubts in their hearts, whether the non-Chinese iPhone can be used normally?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":829,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Can iPhones from Hong Kong be used in mainland China?\"\nQuery Dwell Time: 55.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 829\nTitle: \"Can Hong Kong iPads and iPhones be used in mainland China? - 55BBS - I Love Shopping\"\nSummary: \"I want to go to Hong Kong to buy an iPad and an iPhone. @\u7bee\u9999\u6e2f\u8d25\u5bb6 Same question, but it is said that IP is out of stock in Hong Kong. I wonder how much cheaper the IPAD can be. It can be used~ But the iPhone is not under warranty in China. For fruit products, except for the iPhone, you can only buy local warranty...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":830,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 551.86 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone purchase tariff\"\nQuery Dwell Time: 25.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 830\nTitle: \"Hong Kong purchase of IPHONE4, direct or encounter tariff issues_iPhone comprehensive forum_Pacific Electric...\"\nSummary: \"I bought an iPhone 4 online. The store owner placed the order for me on September 1.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":831,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 155.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 831\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.15 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":832,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 155.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 832\nTitle: \"Tsinghua University Swimming Pool - [Hot Word Recommendation - Renren]\"\nSummary: \"Every Sunday at noon, students from the Medical Research Class 09 actively participate in swimming exercises in the swimming pool of Tsinghua University. Swimming can effectively relieve pain in the cervical spine, lumbar spine and joints. Persistent exercise can improve the respiratory system, blood circulation system...\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":833,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 155.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 833\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 16\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.0 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":834,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 90.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 834\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"All comments from users of Dianping.com about Beijing Chenming Swimming Pool (Tsinghua University Swimming Pool). (Very good) Environment 4 (Very good) Value for money 4 (Very good) Our school's swimming pool is good value for money. There are not many people at noon, but at night...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 75.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":835,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 395.96 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Card Application\"\nQuery Dwell Time: 101.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 835\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 85.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":836,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 836\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":837,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 837\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":838,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 838\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":839,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 839\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.27 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":840,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Role of Liaoning\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 840\nTitle: \"Aircraft carrier China's domestically produced aircraft carrier has a key role in Liaoning's modification and domestic...\"\nSummary: \"WriterFrom:219.131.83.* Breaking news about China's domestically produced aircraft carrier: Liaoning actually plays a key role. The biggest contributor to the Liaoning's modification and domestically produced aircraft carrier is actually this (picture). Since China first proposed to build an aircraft carrier in 1928, the Chinese aircraft carrier...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 77.97 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":841,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Features\"\nQuery Dwell Time: 34.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 841\nTitle: \"Seven major features of Liaoning\"\nSummary: \"This collection is also in the following artboards Recommended collections for you View \"Pad Bot UI Des...@\u8f9b\u96c6Collect to UI [Background\/PAD] (493 pictures... Tree house in the dream. (Transfer) More personalized watch faces, Google launched Android Wear 5.0 more...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":842,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Features\"\nQuery Dwell Time: 34.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 842\nTitle: \"The full load displacement of my country's first aircraft carrier \"Liaoning\" is 67,000, second only to the...\"\nSummary: \"Application APP Primary School Mathematics Primary School My Test Paper Question Basket Recommended Test Paper Campus Number Local Quality Education Institutions (2015 Autumn \u2022 Yulin Final Exam) The full load displacement of my country's first aircraft carrier \"Liaoning\" is 67,000 (), second only to the United States in the world...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.99 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":843,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 843\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":844,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 844\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":845,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 845\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":846,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 532.52 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 291.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 846\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":847,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 346.88 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 334.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 847\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.18 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":848,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 116.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 848\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No matter spring, summer, autumn or winter, no matter how dry the weather is or how dry the land is, the water of Shengquan is always the same and gurgles. The spring water originates from a hundred miles away...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":849,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May Travel around Beijing\"\nQuery Dwell Time: 116.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 849\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":850,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 850\nTitle: \"Costs of Baihua Mountain - Outdoor Information Network\"\nSummary: \"2017 Baihua Mountain Outdoor Travel Guide, 8264 netizens provide you with the most comprehensive Baihua Mountain self-guided tour guide, Baihua Mountain route itinerary, Baihua Mountain tourist attractions introduction. To learn more about Baihua Mountain travel information, go to the outdoor information network destination system!\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":851,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 851\nTitle: \"Baihua Mountain Ticket Booking_Baihua Mountain Ticket Price_How Much Is Baihua Mountain Ticket [Tongcheng Travel]\"\nSummary: \"Tongcheng Travel Network provides Baihua Mountain special ticket booking and Baihua Mountain ticket inquiry services. After successfully booking Baihua Mountain tickets, you can also get a cash red envelope by posting a Baihua Mountain travel review after the tour, allowing you to enjoy real discounts. Tongcheng.com is your happy travel...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":852,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 852\nTitle: \"Mentougou Baihua Mountain Tourism Price | Shuanglong Gorge | Baihua Mountain Tourism Guide | Shuanglong Gorge Tourism Guide Related...\"\nSummary: \"Mentougou Baihua Mountain Tour Price | Shuanglong Gorge | Baihua Mountain Tour Guide | Shuanglong Gorge Tour Guide View route details >> Hot tourist routes Route provider: Beijing Youth Travel Service Release time: In the original regular Beijing tour itinerary, continue Beijing's free...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":853,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baihua Mountain Price\"\nQuery Dwell Time: 89.36 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 853\nTitle: \"2017 Baihua Mountain Tickets_Baihua Mountain Ticket Prices_Baihua Mountain Ticket Group Purchase_Baihua Mountain Travel\"\nSummary: \"How much does the Baihua Mountain ticket cost? Baidu Travel provides you with the 2017 Baihua Mountain ticket price and ticket inquiry service. Online ticket booking is the safest and most affordable, and group purchase of Baihua Mountain tickets is the most reliable choice.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":854,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Price\"\nQuery Dwell Time: 26.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 854\nTitle: \"Miaofeng Mountain Ticket Group Purchase, Miaofeng Mountain Ticket Price, Miaofeng Mountain Ticket Price\"\nSummary: \"In addition, the \"Tianxian Shengmu Bixia Yuanjun Temple\" founded in the late Ming Dynasty is also very famous. Miaofeng Mountain is one of the most culturally rich scenic spots around Beijing. Tags: Miaofeng Mountain Ticket Group Purchase, Miaofeng Mountain Ticket Price, Miaofeng Mountain Ticket Price\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":855,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 855\nTitle: \"[Miaofeng Mountain Hotel Reservation] Miaofeng Mountain Hotel Price Inquiry, Miaofeng Mountain Hotel Recommendation - Mafengwo\"\nSummary: \"Mafengwo Miaofengshan Hotel Reservation, search for hotel prices and reservation information in various areas of Miaofengshan. Recommend cost-effective Miaofengshan hotels for you through the price, location, facilities, brand, star rating and real user reviews of Miaofengshan hotels, and make reservations online...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":856,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 856\nTitle: \"The address, phone number and price of the farmhouse accommodation around Miaofeng Mountain in Mentougou. Thank you very much. Please give me your business advice...\"\nSummary: \"Miaofeng Mountain Introduction: 60 kilometers from the city center, covering an area of \u200b\u200b20 square kilometers, it is famous for its \"ancient temples, strange pines, strange rocks, and karst caves\". The main peak is 1,291 meters above sea level, with steep mountains and beautiful flowers and plants. There are seasonal landscapes such as sunrise, sunset, rime, and mountain markets, and there are...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":857,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 857\nTitle: \"Beijing Miaofeng Mountain Family Hotel_Price_Recommendation_Booking_Youduoduo Homestay Booking Official Website 2017\"\nSummary: \"189****6638 Beijing warm youth job-seeking apartment Beijing Miaofeng Mountain near 100 yuan or less family hotel Beijing Miaofeng Mountain near... APP download special offer hot price all below 100 yuan 100-200 yuan 200-300 yuan 300 yuan or more custom to confirm...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":858,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 640.95 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Miaofeng Mountain Accommodation Prices\"\nQuery Dwell Time: 140.77 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 858\nTitle: \"...Beijing Mentougou District\/Miaofeng Mountain Scenic Area Haojiade Hotel Cheap Accommodation Information Price Inquiry_Beijing...\"\nSummary: \"Provide you with the most reliable and authoritative Beijing Mentougou City\/Miaofeng Mountain Scenic Area Haojiade Hotel, Beijing Mentougou City\/Miaofeng Mountain Scenic Area Haojiade Hotel reservation, Beijing Mentougou City\/Miaofeng Mountain Scenic Area Haojiade Hotel and other services\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 44.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":859,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 859\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":860,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 860\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.85 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":861,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 98.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 861\nTitle: \"Where are the fixed gear stores in Beijing? - Interactive Q&A on home decoration\"\nSummary: \"The Yiquan store in Lama Temple, the ORYX store in Daxing Hutong, and the one in Tsinghua West Gate or North Gate. I forgot whether I came there. There is a fixed gear park there. Physical stores in Beijing are generally quite expensive. For the living room window area, you can go to Nantong VIC fixed gear store, Nantong No. 1...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":862,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park Price\"\nQuery Dwell Time: 133.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 862\nTitle: \"Makara Fixed Gear Park (Fixed Gear Shop) phone number, address, price, business hours (picture) - North...\"\nSummary: \"Popular cities There are expiring Nuomi coupons View orders Not rated Go to rate orders Not paid Go to pay New merchant replies View Data loading... Baidu Nuomi: nuomivip Popular categories Chinese food Group purchase Makara Fixed Gear Park (Fixed Gear...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":863,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park Price\"\nQuery Dwell Time: 133.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 863\nTitle: \"Makara Fixed Gear Park: The entry-level fixed gear for beginners is still more than 1,500 yuan,...... Beijing Shopping - Da...\"\nSummary: \"I specialize in fixed gear bikes, mountain bikes, and BMX bikes. Makara Fixed Gear Park I want to respond to more user reviews (7) Product: 4 Environment: 3 Service: 3 The boss is very good, the bikes are good, there are many choices, the price is very reasonable, and there are universities around...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":864,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park Price\"\nQuery Dwell Time: 133.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 864\nTitle: \"Makara Fixed Gear Park: \"The owner is very nice, the cars are nice, there are many choices, and the prices are reasonable...\"\nSummary: \"Jingge V5's review of Makara Fixed Gear Park: The boss is very nice, the bikes are nice, there are many choices, the prices are very reasonable, and there are universities all around. I heard from them that this shop was the first one to get fixed gear nearby. There are also some outdoor activities on weekdays, which is very...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":865,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 34.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 865\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.8 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":866,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 327.21 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 34.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 866\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.19 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":867,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 519.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 867\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 297.8 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n",
+    "usefulness_score":3
+  },
+  {
+    "id":868,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 519.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 868\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Date (subject to the flight date) II. Scope of application 1. This preferential policy applies to baggage transportation segments (including sixth freedom rights transportation) that are subject to Air China's free baggage allowance rules according to IATA Resolution 302 \"Baggage Rules Selection Method\", i.e....\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 125.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":869,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 519.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 869\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":870,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions on flights between China and the United States\"\nQuery Dwell Time: 143.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 870\nTitle: \"General rules for luggage when flying - Studying Abroad - Xiaomuchong Forum Academic | Scientific Research | First Stop\"\nSummary: \"Free carry-on items that exceed the above weight, number of pieces, and volume limits should be checked in as checked baggage. The following items may not be checked in as baggage or sandwiched in baggage, nor may they be carried into the cabin as free carry-on items. Dangerous goods, guns...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 115.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":871,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 735.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 41.54 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 871\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in... Put a large tote bag over the laptop to put some other things in. 2. Carry a large backpack (not a roller bag),...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.48 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":872,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 872\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The Quit Smoking Network provides smokers with the best methods to quit smoking, smoking cessation products, and the benefits of quitting smoking. It teaches everyone how to quit smoking, how to quit smoking, and how to quit smoking most effectively. Let us quit smoking together on the Quit Smoking Network!\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.96 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":873,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 873\nTitle: \"How to quit smoking the fastest and most effectively? Quit smoking tool [safe and healthy]\"\nSummary: \"Smoking addiction is mainly the result of the long-term effects of nicotine. You can quit smoking by changing your lifestyle, consulting a doctor, going to a smoking cessation clinic, or using acupuncture. What is the fastest and most effective way to quit smoking? Smoking cessation tools can greatly reduce the risk of cancer.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.31 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":874,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 874\nTitle: \"The ten most effective ways to quit smoking\"\nSummary: \"Make sure your mouth is never empty for cigarettes. The above are ten ways to \"quit smoking most effectively\". For more ways to quit smoking, please see the \"How to Quit Smoking\" column. Previous Quit Smoking: Five Ways to Get Men to Quit Smoking Next Quit Smoking: Quit Smoking to Prevent Relapse...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":875,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 132.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 875\nTitle: \"How to quit smoking?\"\nSummary: \"Details: How to quit smoking? Answer: Find a way to quit smoking based on your personal needs 1. A smoking cessation hotline is provided by the National Health Administration, where a specialist will teach you how to quit smoking 2. Smoking cessation clinics provide smoking cessation patches, which are currently available in most hospitals and have good results 3. Quitting...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":876,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 77.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 876\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.97 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":877,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 77.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 877\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":878,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 219.49 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 878\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.28 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":879,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 219.49 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 879\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 136.25 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":0
+  },
+  {
+    "id":880,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 477.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 219.49 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 880\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":881,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 881\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.52 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":882,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 882\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.71 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":883,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 883\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.77 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":884,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 884\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":885,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 343.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 885\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 93.94 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":886,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 531.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 85.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 886\nTitle: \"Google Glass user experience: Severe heat generation and limited use cases_TechWeb\"\nSummary: \"May 6, 2014 -Using Google Glass means being prepared to be watched at any time. On a more pessimistic note, although it is relatively rare, cases of people getting into trouble because of using Google Glass have occasionally appeared in the newspapers. However, since the author wants to...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.5 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":887,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 152.72 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 887\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.71 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":888,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 152.72 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 888\nTitle: \"\u3010Apple iPhone 6 Series\u3011Price_\uff08Apple\uff09Apple iPhone 6 Series Mobile Phones...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 108.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":889,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 130.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 889\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 97.43 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":890,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 tax\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 890\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":891,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 tax\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 891\nTitle: \"[iPhone 6 price] Is the cheapest iPhone 6 currently the Hong Kong version? \u2014 iAsk\"\nSummary: \"Because China collects tariffs! And what you see may be the contract price in the United States! 199 299 US dollars! You can consider... How much is the Hong Kong version of iPhone 6, the price of the Hong Kong version of iPhone 6. The price of the Hong Kong version of iPhone 6 can be seen at: http:\/\/www.xpgod....\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.18 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":892,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Do I have to pay customs duties if I bring an iPhone 6 from Hong Kong back to China?\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 892\nTitle: \"If I buy a Hong Kong version of iPhone 6 and get taxed, what is the tax rate? - Hong Kong - 16fan\"\nSummary: \"Go to HK to buy an iPhone 6! If I am taxed during airport security check! What is the tax rate? If I buy a Hong Kong version of iPhone 6 and am taxed, what is the tax rate? 16F\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":893,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 635.0 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 tax\"\nQuery Dwell Time: 121.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 893\nTitle: \"Can the Hong Kong version of iPhone 6 be used in mainland China? What is the difference between it and the mainland version? - Hong Kong version of iPhone 6 mainland...\"\nSummary: \"The model of iPhone6plus Hong Kong version is A1524, and the network standards it supports are China Mobile 4g\/3g\/2g and China Unicom 4g\/3g... How is Iqhone6? Has anyone used it? ... My roommate used it, and she said it's not easy to use, mainly because it's a new system and she's not used to it. I hope I can help...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":894,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 175.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 138.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 894\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 92.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":895,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 175.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 138.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 895\nTitle: \"The first article of the swimming section -- Dedicated to my favorite Tsinghua Swimming Pool\"\nSummary: \"I have been lurking in the swimming section for a long time. Today I suddenly want to write something. I decided not to stay at home on weekends recently, so I started swimming again. The swimming pool of Tsinghua University has left me with too many memories. When I was in college, I was still a fat student girl.\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":896,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 441.16 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Comparison of Liaoning with other countries' aircraft carriers\"\nQuery Dwell Time: 147.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 896\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":897,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 441.16 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Comparison of Liaoning with other countries' aircraft carriers\"\nQuery Dwell Time: 147.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 897\nTitle: \"Chinese version of \"Foreign publication \"Liaoning\" and comparison of aircraft carriers of various countries\" - Naval Forum - Tiexue Community\"\nSummary: \"Chinese version of \"Foreign publication \"Liaoning\" and other countries' aircraft carrier comparison\" related articles\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":898,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 70.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 898\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.06 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":899,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 84.56 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 70.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 899\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":900,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 115.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 900\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.77 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":901,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 115.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 901\nTitle: \"Beijing surrounding tourism, Beijing surrounding scenic spots tourism, Beijing suburbs tourism_China Travel Guide\"\nSummary: \"Travel around Beijing is a Chinese travel guide that introduces tourist information of scenic spots around Beijing to travel enthusiasts. It provides convenience for travel enthusiasts who like to travel in the suburbs of Beijing and brings more excitement to your life.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":902,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 902\nTitle: \"Beijing Tourist Map_Beijing Tourist Attractions_Map Nest\"\nSummary: \"Provide Beijing tourist map, Beijing tourist attractions distribution map, Beijing tourist attractions guide map and other map query Beijing tourist popular map total 280 maps Home | Previous page | 1 2 3 4 5 6 7 8 9 | Next page | Last page 20 maps\/page Go to page ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":903,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 903\nTitle: \"Sogou Map-Beijing Electronic Map\"\nSummary: \"Functions include classified information about surrounding areas of life, house finding on maps, travel guide production and sharing, forum exchanges, group purchase maps, Beijing electronic maps, Beijing high-definition satellite maps, Beijing traffic maps, Beijing tourist maps, etc.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":904,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 904\nTitle: \"Beijing map | 3D Beijing map | Beijing map query | Beijing electronic map | Beijing map E city\"\nSummary: \"Provide Beijing map, Beijing map query, 3D Beijing map, 2D Beijing map, satellite Beijing map, bus route query map, tourist routes, traffic routes, subway lines, road attractions, Beijing map and other services, E City Beijing...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":905,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 905\nTitle: \"Beijing tourist map\"\nSummary: \"2017 Latest Beijing Tourism Map_Beijing Tourist Attractions Map_Beijing Tourist Attractions..._Baidu Tourism Baidu Tourism provides you with 2017 Beijing Tourism Map and Beijing Tourist Attractions Map, Beijing Tourist Attractions Ranking, Beijing Tourist Attractions Location Distribution Map...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":906,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 906\nTitle: \"Beijing Tourism Beijing Tourism Network Beijing Tourist Attractions Beijing Tourist Map Routes Forum Introduction Strategy ...\"\nSummary: \"Welcome to Beijing Tourism Network, introducing Beijing tourist attractions, Beijing tourist maps, Beijing tourist routes, Beijing travel guides, etc. China Tourism Network Home China Tourism Forum Beijing Travel Guide This site saves you money 397507 people want to travel to Beijing...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 161.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":907,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism Map\"\nQuery Dwell Time: 551.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 907\nTitle: \"Sogou Map-Beijing Electronic Map\"\nSummary: \"Functions include classified information about surrounding areas of life, house finding on maps, travel guide production and sharing, forum exchanges, group purchase maps, Beijing electronic maps, Beijing high-definition satellite maps, Beijing traffic maps, Beijing tourist maps, etc.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 138.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":908,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fangshan District Attractions\"\nQuery Dwell Time: 85.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 908\nTitle: \"Top 10 Tourist Attractions in Fangshan District, Beijing\"\nSummary: \"Other major attractions include Yidou Spring, Wanghai Temple, and Sutra Library. Shangfangshan National Forest Park in Fangshan District, southwest of Beijing, is famous for its dense forests, beautiful peaks, deep caves, and... [Details] Recommended 9 Xianqi Cave Guide is a Beijing Screen Mountain Tour...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":909,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 833.71 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fangshan District Attractions\"\nQuery Dwell Time: 85.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 909\nTitle: \"Top 10 Tourist Attractions in Fangshan District, Beijing\"\nSummary: \"Other major attractions include Yidou Spring, Wanghai Temple, and Sutra Library. Shangfangshan National Forest Park in Fangshan District, southwest of Beijing, is famous for its dense forests, beautiful peaks, deep caves, and... [Details] Recommended 9 Xianqi Cave Guide is a Beijing Screen Mountain Tour...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.07 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":910,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 81.91 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 910\nTitle: \"Fixed Gear Forum - China's largest fixed gear enthusiasts forum and fixed gear color matching website!\"\nSummary: \"Fixed Gear Club is the largest, most authoritative and most professional fixed gear bicycle forum in China - we are committed to providing the latest and most comprehensive fixed gear videos, fixed gear pictures and fixed gear color matching to the majority of fixed gear enthusiasts in China, and to creating the most professional fixed gear communication community!\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.33 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":911,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 81.91 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 911\nTitle: \"Is a fixed gear bike difficult to control? - Alibaba Business\"\nSummary: \"Share outside the site Views: 152 I will answer Other answers Total 4 It is difficult to adapt to at first Yes, it seems that there are no brakes It is difficult to adapt to at first. If you are not a fixed gear enthusiast, I suggest not to buy it. It is not as good as a mountain bike. It is not ordinary...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":912,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Beijing\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 912\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":913,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Beijing\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 913\nTitle: \"Beijing- Old Boy Bicycle Shop & Beijing Isifei, Wangjing-Huairou. Journey: 130km-in...\"\nSummary: \"[Photographer] Beijing- Old Boy Bicycle Shop & Beijing Icy Fly, Wangjing-Huairou. Journey: 130km\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 145.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":914,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Brand\"\nQuery Dwell Time: 136.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 914\nTitle: \"Top 10 Fixed Gear Brands\"\nSummary: \"Next, let's take stock of the best and most popular fixed gear bike brands. 1. Rockefeller Fixed Gear Bike 2. Forever Fixed Gear Bike 3. Spike Fixed Gear Bike 4. Rex Fixed Gear Bike 5. Phoenix Fixed Gear...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":915,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Brand\"\nQuery Dwell Time: 136.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 915\nTitle: \"Introduction to Fixed Gear Brands\"\nSummary: \"Domestic brands: capone pagan bj SF airwalk (Taiwan) 1. Hubs: 500 and below: Jiuyu, C-Unit (Colossi), Airwalk, Pagan (MIC), Formula, etc. 500-1000: Miche, Gran Compe*,...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":916,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 275.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 916\nTitle: \"The girl who leads the \"fixed flight\" - Kanzhun.com\"\nSummary: \"Those who are obsessed with fixed gear Yan Canshi from Seoul, South Korea had never touched a fixed gear before. After entering Tsinghua University in the fall of 2011, he was influenced by his classmates and came here through introduction. It took two days from booking the car to finally picking it up. Originally...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":917,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 275.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 917\nTitle: \"What do you think of Tsinghua's new regulations on electric vehicles: charging is prohibited on campus? - Zhihu\"\nSummary: \"My family said that since my riding skills were too poor, I was afraid that I couldn't ride a fixed-gear bike, so I just used the bike I got for free when I recharged my phone bill. Although the bikes on the main roads were not as wide and heavy as electric bikes, there were still many people who were scrambling and tangling. They often huddled together after class...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 209.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":918,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1030.62 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"map\"\nQuery Dwell Time: 86.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 918\nTitle: \"Sogou Map-Beijing Electronic Map\"\nSummary: \"Provides map search, bus route query, self-driving route planning, traffic conditions, classified information about surrounding life, map house search, travel guide production and sharing, forum exchange, group purchase map, Beijing electronic map, Beijing high-definition satellite map, Beijing traffic...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 78.22 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":919,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 89.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Flights Checked Baggage Regulations\"\nQuery Dwell Time: 76.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 919\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":920,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 89.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Flights Checked Baggage Regulations\"\nQuery Dwell Time: 76.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 920\nTitle: \"A must-read before traveling during the Dragon Boat Festival! Major changes to airlines\u2019 free baggage regulations\"\nSummary: \"Recently, Air China has introduced new regulations on luggage check-in for international flights. Here is the latest and most comprehensive luggage check-in manual. The editor will teach you step by step so that you don't waste money anymore! Air China has introduced new regulations on luggage check-in for international flights! 1....\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":921,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 921\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.4 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":922,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 922\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.18 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":1
+  },
+  {
+    "id":923,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 923\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - after quitting smoking, you will find that your irritable mind can calm down, and your mind that was always distracted can be easily focused. Although men in business talks usually have to give cigarettes to the other party, but the effects of cigarettes on the body...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.4 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":924,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 65.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 924\nTitle: \"Benefits of quitting smoking\"\nSummary: \"Benefits of Quitting Smoking After quitting smoking, smokers will experience a series of beneficial changes in their organs, which are roughly as follows: Within 20 minutes: blood pressure drops to the standard level; pulse drops to the standard speed; the temperature of the hands and feet rises to the standard body temperature; 8 hours...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":925,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 562.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 925\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.36 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":2
+  },
+  {
+    "id":926,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 562.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 926\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":927,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 687.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 24.29 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 927\nTitle: \"Introduction to smoking cessation methods\"\nSummary: \"This method is worth trying when other methods have failed. \"I started to quit smoking with the help of the patch. Later I used 2mg nicotine gum instead of the patch. So far, I have been using nicotine replacement for 8 months. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":928,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 928\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.25 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":929,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 929\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.61 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":930,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 930\nTitle: \"The embarrassment of Google Glass: Can enter the country but can't leave home? _Viewpoint_PConline...\"\nSummary: \"May 17, 2013 - Google Glass is one of the most controversial products of Google in recent years. Before the development version was shipped, people were curious and hoped to get this magical pair of glasses. But when the glasses were officially shipped...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.99 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":0
+  },
+  {
+    "id":931,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 931\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.64 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":932,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 932\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.07 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":933,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 295.8 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 285.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 933\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.83 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":934,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone price\"\nQuery Dwell Time: 77.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 934\nTitle: \"iPhone SE price comparison in different regions: Hong Kong version is the best! - Apple, iPhone SE, price,...\"\nSummary: \"March 22, 2016 - The following are the prices of several major market versions of iPhone SE for your reference: China version: 16GB 3288 yuan, 64GB 4088 yuan US version: 16GB 399 US dollars (\uffe52585), 64GB ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":935,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 239.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 935\nTitle: \"How much is the price of iPhone 6 Hong Kong version?\"\nSummary: \"2011-08-26How much does the iPhone 6 cost? 530 2014-03-20... Answer: iPhone 6 64g Hong Kong version 5,588 Hong Kong dollars iPhone 6 Plus 64g Hong Kong version 6388 Hong Kong dollars Answer: The advantage of parallel imports is that the price will definitely drop after the listing boom, but Apple...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 175.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":936,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 239.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 936\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.16 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":937,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 239.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 937\nTitle: \"How much is the iPhone 6 Hong Kong version? The first price of the iPhone 6 Hong Kong version is exposed Apple Forum - PP Help...\"\nSummary: \"How much does the iPhone 6 Hong Kong version cost? I believe this question must be the most concerned by everyone. It is true that the Chinese mainland is not the first to launch the iPhone 6, but Hong Kong is. Therefore, Apple fans who want to get it as soon as possible must be concerned about the price of the iPhone 6......\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":938,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 164.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 938\nTitle: \"Apple (Hong Kong)\"\nSummary: \"Discover the innovative world of Apple and shop iPhone, iPad, Apple Watch, Mac and Apple TV, as well as explore accessories, entertainment and get expert device support.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":939,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong Apple official website\"\nQuery Dwell Time: 164.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 939\nTitle: \"Apple Hong Kong official website\"\nSummary: \"What does the Apple Hong Kong official website bring to you? These apps can be perfectly integrated with your back-office system; data can be divided... 1. Introduction to Apple Inc. Apple Inc. is a high-tech company in the United States. Founded by Steve Jobs...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":940,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 940\nTitle: \"If I buy an iPhone 4S from Hong Kong and bring it to mainland China, do I need to pay customs duties? How much is it? ...\"\nSummary: \"Wenkin asked: If I buy an iPhone 4S from Hong Kong and enter the mainland, do I need to pay customs duties? How much is it? I am using it for my own use, not selling it back. The editor recommends the answer: If the only item you are passing through customs is the iPhone, it should be less than RMB 5000...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":941,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 941\nTitle: \"How much customs duty do I have to pay when I bring my iPhone 4 back from Hong Kong? _iPhone question_...\"\nSummary: \"January 6, 2012 - The editor recommends the answer: A machine is now 500, which has been halved. It used to be 1000. My friend brought me a tariff of 500 yuan! Tip: The keyboard \"\u2190 \u2192\" key is supported to turn pages. Read the full text\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":942,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 942\nTitle: \"Is the Hong Kong version of iPhone 6 compatible with all three networks? Can it be used with Telecom 234g? Will it work if a friend brings it back from Hong Kong?\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Is the Hong Kong version of iPhone 6 compatible with the three networks? Can it be used with Telecom 234g? Will my friend be charged customs tax if I bring it back from Hong Kong? Is the Hong Kong version of iPhone 6 compatible with the three networks? Can it be used with Telecom 234g? My friend is from Hong Kong...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 103.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":943,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 943\nTitle: \"Going to Hong Kong to buy iPhone 7 requires tax, 15% tax rate per unit | Passengers | Customs | Tax payment_Sina Finance_Sina.com\"\nSummary: \"September 21, 2016 - The same model of mobile phone is priced at 8288 Hong Kong dollars on Apple's official website in Hong Kong, which is equivalent to 7130 yuan. With the tariff of 1070 yuan, the total price is 8200 yuan, which is not as cheap as the domestic version. Therefore, consumers who intend to buy Apple mobile phones overseas...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 125.3 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":944,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 906.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone tariffs\"\nQuery Dwell Time: 329.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 944\nTitle: \"How much tariff is levied on iPhone 5 32G purchased in Hong Kong? ! - Apple iPhone 5 (16GB) - ZOL asks...\"\nSummary: \"1 answer: It depends on your luck. It may be tight now. Hong Kong just listed it today. Most people secretly bring it through the border. I don't advocate this. If you are caught, you will have to pay taxes. I hope this helps you. Thank you for your question. I hope you can accept it. Thank you...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.79 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":945,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 139.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University\"\nQuery Dwell Time: 99.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 945\nTitle: \"Tsinghua University Information Portal System\"\nSummary: \"10 and above 64Bit for Windows 10 and above 32Bit SSL VPN Client Installation Demonstration Video (Windows 10 and above) SSL VPN Client Installation Demonstration Video (for MAC) its@tsinghua.edu.cn\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 84.43 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":946,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 946\nTitle: \"Experts: China's domestic aircraft carriers are significantly behind those of powerful countries, and India also has three\"\nSummary: \"January 1, 2016 - Beijing Times (Reporter Pan Shanju) Yesterday, the Ministry of National Defense spokesman Yang Yujun confirmed at a regular press conference that China has launched the development of its second aircraft carrier and is independently designing and building it. The aircraft carrier...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":947,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 947\nTitle: \"Comparison between China's \"Liaoning\" and aircraft carriers of other countries (photo)\"\nSummary: \"With the official delivery of my country's first aircraft carrier to the navy, \"aircraft carrier\" has once again become a hot topic. Aircraft carrier, referred to as \"aircraft carrier\" or \"air carrier\", is a large surface ship with carrier-based aircraft as its main combat weapon...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.99 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":948,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 948\nTitle: \"[Original] Comparison of the strength of the world's active aircraft carriers - Naval Forum - Tiexue Community\"\nSummary: \"Comparison of the strength of the world's active aircraft carriers ---- Written on the festive day of the launch of the 001A aircraft carrier (original) As a model of naval strength, the Yuhuxin aircraft carrier has always been the focus of everyone's attention. Today, the 001A aircraft carrier was finally launched amid the expectations of the Chinese people...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":949,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 949\nTitle: \"Where does China's aircraft carrier rank in the world? US media compares the strength of four countries' aircraft carriers_Qing News__China...\"\nSummary: \"April 28, 2017 - US aircraft carriers: 10 in service The United States not only has the largest navy in the world, but the US Navy has more than 75 years of carrier-based aviation experience. A US \"carrier strike group\" - the largest combat unit of the US Navy...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":950,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 950\nTitle: \"Comparison of Chinese aircraft carriers with those of the United States, Russia, India, France and other countries_Sohu Military_Sohu.com\"\nSummary: \"Table 1. Comparison of the main parameters of Chinese and Russian aircraft carriers Country Russia China Chinese aircraft carrier model Kuznetsov Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65,000 tons 67,000 tons Power type...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":951,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 360.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Comparison\"\nQuery Dwell Time: 142.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 951\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Table 1. Comparison of the main parameters of Chinese and Russian aircraft carriers Country Russia China Chinese aircraft carrier model Kuznetsov Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":952,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 110.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 952\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.82 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":953,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 110.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 953\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 81.29 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":954,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 954\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":955,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 955\nTitle: \"Ice-breaking games for on-the-job training_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for instructors) small plush toys, ping-pong balls, small plastic... Clothing...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.15 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":956,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 956\nTitle: \"A collection of ice-breaking games for employee training, ice-breaking games for employee training, 9564 employee training...\"\nSummary: \"(15 games have been updated today) This month's ice-breaking games for employee training rankings (a total of 1664 games) Game employee training ice-breaking games information and strategies (the most fun game strategies!) Friendly links (Welcome to join me...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.93 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":957,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 957\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of participants: 4 people per group Time: 15 minutes Venue: unlimited Props: none Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Used to liven up the atmosphere before training and meetings. Used under great pressure...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":958,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 256.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Staff Training Icebreaker Games\"\nQuery Dwell Time: 124.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 958\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Answer freely [Ice-breaking game] Number of participants: 4 people in a group Time: 15 minutes Venue: Unlimited Props: None Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Use to liven up the atmosphere before training and meetings Under great pressure...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":959,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 151.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 135.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 959\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":960,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 151.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 135.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 960\nTitle: \"[Ranking of tourist attractions around Beijing] 2017 Ranking of tourist attractions around Beijing - Beijing Local Treasure\"\nSummary: \"Ranking of attractions around Beijing Beijing Local Treasure provides you with ranking information of tourist attractions around Beijing and tells you which tourist attractions around Beijing are the most fun.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.29 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":961,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 151.38 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 135.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 961\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing and collect the most complete information about tourist attractions around Beijing! The Baishishan Scenic Area covers an area of \u200b\u200b54 square kilometers. The highest peak is Yundu Peak, which has an altitude of 2,096 meters. The mountain is full of white stones and has many peaks... Qiao Family Courtyard...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.5 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":3
+  },
+  {
+    "id":962,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 60.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 962\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.77 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":963,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 60.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 963\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":964,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store near Tsinghua University\"\nQuery Dwell Time: 28.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 964\nTitle: \"Is there a place selling bicycles near the east gate of Tsinghua University? - Ask Knowledge\"\nSummary: \"Is there a place selling bicycles near the east gate of Tsinghua University? : Exit the east gate of Tsinghua University, walk about 100 meters towards Chengfu intersection, and there is one on the left. Exit the west gate of Tsinghua University, walk forward towards Tsinghua Affiliated Middle School, there are also places selling electric cars and bicycles?\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.95 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":965,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 27.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 965\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Second-hand bicycles 6722 people gathered in this group Join the group Latest topics (more) A permanent bicycle without a frame. Easy to ride, strong. (Delicious sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike,...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":966,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1109.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 27.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 966\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.61 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":967,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carry-on luggage specifications\"\nQuery Dwell Time: 130.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 967\nTitle: \"Luggage size requirements for airplanes\"\nSummary: \"1 carry-on piece, less than 18 kg, the sum of the 3 sides of each piece is less than 115 cm. American Airlines (AA) Air China's luggage regulations: 2 checked pieces, each less than 23 kg, 1 piece, the sum of the 3 sides is less than 158 cm, and the sum of the 3 sides of the other piece is less than 115 cm, 1 carry-on piece...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 69.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":968,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carry-on luggage specifications\"\nQuery Dwell Time: 130.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 968\nTitle: \"What are the size requirements for suitcases on airplanes?\"\nSummary: \"(i) Suitcases, travel bags and handbags must be locked; (ii) Two or more packages cannot be bundled into one; (iii)... Answer: There are not only weight requirements but also size requirements for carry-on luggage on board. If the size exceeds the requirements, it can only be checked in...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":969,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carry-on luggage specifications\"\nQuery Dwell Time: 130.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 969\nTitle: \"Luggage size requirements for airplanes\"\nSummary: \"1 carry-on piece, less than 18 kg, the sum of the 3 sides of each piece is less than 115 cm. American Airlines (AA) Air China's luggage regulations: 2 checked pieces, each less than 23 kg, 1 piece, the sum of the 3 sides is less than 158 cm, and the sum of the 3 sides of the other piece is less than 115 cm, 1 carry-on piece...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":970,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline carry-on luggage weight\"\nQuery Dwell Time: 98.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 970\nTitle: \"[Luggage Weight Limit] What is the weight limit for luggage on an airplane? \u2014 Ask Knowledge\"\nSummary: \"[Luggage Weight Limit] What is the weight limit for luggage on an airplane? For passengers holding adult or child tickets, the free checked baggage limit per person is: 40 kg for first class, 30 kg for business class, and 20 kg for economy class. Passengers holding infant tickets...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":971,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline carry-on luggage weight\"\nQuery Dwell Time: 98.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 971\nTitle: \"What is the weight limit for carry-on luggage on domestic flights? - Mafengwo\"\nSummary: \"The carry-on baggage is 5kg, and the checked baggage is 20kg. So don't exceed too much. Share Add Comment Collection Checked baggage is 20kg, and the carry-on baggage is 5kg. Low-cost airlines have less. Share Add Comment Collection Checked baggage is 20kg, and the carry-on baggage is 5kg. Share Add Comment Collection Report 0 ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":972,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"You can't bring it on board an airplane\"\nQuery Dwell Time: 101.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 972\nTitle: \"[Requirements for taking things on board] What can\u2019t you bring on board? \/ Urgent! Ask the Experts\"\nSummary: \"\u3010Requirements for Bringing on Board\u3011What You Can\u2019t Bring on Board\/Urgent!!!!!!!!!!!!!!! Items You Can\u2019t Bring on Board According to the New... According to the Civil Aviation Administration of China, live seafood cannot be brought on board and can only be checked in. Checked in also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 83.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":973,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline checked baggage specifications and weight\"\nQuery Dwell Time: 70.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 973\nTitle: \"Aircraft checked baggage size regulations - Airline ticket information - Passenger terminal\"\nSummary: \"Aircraft checked baggage size regulations A: The weight of each piece of checked baggage cannot exceed 50 kg, and the volume cannot exceed 40*60*100 cm. Baggage exceeding the above regulations must be approved by the airline in advance before it can be checked in. Other baggage regulations for aircraft ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.81 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":974,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 459.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Airline checked baggage specifications and weight\"\nQuery Dwell Time: 70.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 974\nTitle: \"\u3010Carry-on luggage\u3011How much should I weigh for checked luggage and carry-on luggage when I take a flight? \u2014 Love...\"\nSummary: \"[Carry-on luggage] What is the weight of checked luggage and carry-on luggage when taking a flight? The weight of checked luggage and carry-on luggage when taking a flight: 5 kg of carry-on luggage (a backpack and a small trolley case). Free checked luggage for economy class...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":975,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 53.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 975\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.21 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":976,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 53.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 976\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":977,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 83.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 977\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":978,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 83.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 978\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.24 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":979,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 102.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 979\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.67 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":980,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 260.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 102.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 980\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"How to quit smoking 2017-10-09 Lungs after quitting smoking 2017-10-09 Five steps to quit smoking 2017-10-09 Things to note after quitting smoking 2017-10-09 Symptoms after quitting smoking 2017-10-09 Physical changes after quitting smoking 2017-10-09 Tips to quit smoking 2017-10-09...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.82 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":981,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 814.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 808.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 981\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 111.52 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":982,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 814.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 808.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 982\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 653.63 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":983,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 814.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 808.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 983\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":984,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 49.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 984\nTitle: \"iPhone 6 Hong Kong version\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone quotation iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":985,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 49.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 985\nTitle: \"iphone6 \u200b\u200bHong Kong version 64g [multiple pictures]_price_picture - Tmall selection\"\nSummary: \"Tmall selected iPhone 6 Hong Kong version 64g special topic, we selected 1116 products related to iPhone 6 Hong Kong version 64g for you based on price, evaluation and sales volume\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":986,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do mainland operators support the Hong Kong version of iPhone 6?\"\nQuery Dwell Time: 56.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 986\nTitle: \"If the iPhone 6 is not approved by the Ministry of Industry and Information Technology, can the Hong Kong version be used in mainland China? - iPhone 6 General...\"\nSummary: \"If the iPhone 6 is not approved by the Ministry of Industry and Information Technology, can the Hong Kong version be used in mainland China? If the iPhone 6 is not approved by the Ministry of Industry and Information Technology, can the Hong Kong version be used in mainland China?, Weiphone Forum\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":987,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Can the Hong Kong version of iPhone 6 be used in mainland China?\"\nQuery Dwell Time: 56.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 987\nTitle: \"Can the Hong Kong version of iPhone be used in the mainland? - Can the Hong Kong version of iPhone 6 be used in the mainland? The difference between the Hong Kong version of iPhone 6 and the...\"\nSummary: \"The Chinese iPhone can be used directly with a card in the mainland, and can be repaired in mainland China; the Japanese iPhone cannot be used directly with a card,...Can the Hong Kong version of the Apple phone be used in the mainland? ... 1. The Hong Kong version of the Apple phone can be used in the mainland, and the Hong Kong version...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.71 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":988,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when bringing Hong Kong version of iPhone 6 into mainland China?\"\nQuery Dwell Time: 52.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 988\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than domestic ones, and iPhone 6 is no exception. Many netizens who are planning to travel to Hong Kong can't help but wonder whether they need to pay taxes when buying iPhone 6 in Hong Kong? What is the price? Is it cheaper than domestic...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":989,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 27.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 989\nTitle: \"...Full Network Shanghai Price\u3011Shanghai Apple iPhone 6 Full Network Latest Price_iPhone 6 Full Network...\"\nSummary: \"Version selection Network: Mobile 4G Dual 4G Full Netcom Version: 16GB Licensed 32GB Licensed 64GB Licensed 128GB Licensed You have been located in Shanghai, the version is 32GB Licensed, local reference price: Switch city Please select a city Monthly price...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.75 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":990,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 231.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 27.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 990\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.27 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":991,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 129.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 991\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.04 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":992,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 129.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 992\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"Oh hoo~~ 7 yuan per session for on-campus people~~ by...\"\nSummary: \"Tianxia Dianxiagepingjie's review of Chen Ming Swimming Pool (Tsinghua University Swimming Pool): Oh, oh, 7 yuan per session for people on campus, because it is so cheap, there are many people, and after the test, there are also many people in the deep water area.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":993,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 129.94 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 993\nTitle: \"Beijing - Tsinghua University Chen Ming Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Chen Ming Swimming Pool is located at Tsinghua University, No. 30 Shuangqing Road, Haidian District, Beijing. Tel: 010-62792477; 010-62792475. Sogou Map provides you with the location, map, bus query, and self-driving route of Tsinghua University Chen Ming Swimming Pool...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.23 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":994,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The exact location of Chen Ming Swimming Pool at Tsinghua University\"\nQuery Dwell Time: 21.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 994\nTitle: \"How to get to No. 30 Shuangqing Road, opposite the East Campus of Tsinghua University (near Wudaokou), Chenming Swimming Pool...\"\nSummary: \"957 Express 2, 697, 982 Tsinghua University West Gate Station, Yuntong Line 110, 333, 913, 628, 355, 438, 466... \u200b\u200bmore Note: The map location is for reference only, the specific situation is subject to the actual road sign information. Introduction: Chen Mingyou...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":995,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 90.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 995\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":996,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 90.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 996\nTitle: \"Only 9 yuan! A single ticket to Tsinghua University Chen Ming Swimming Center, originally priced at 18 yuan, enjoy a 1~1....\"\nSummary: \"I bought the swimming tickets for Tsinghua University Swimming Pool on Meituan. I am injured and cannot go. I want to transfer them. Each ticket is 10 yuan. Valid until August 25. There are 3 tickets in total. [url]http:\/\/bj.meituan.com\/deal\/868768.html[\/url]Contact information:...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":997,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 319.85 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 90.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 997\nTitle: \"Chen Chen 165's comments on how good Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is -...\"\nSummary: \"Official identity reply to user comments The response content should be greater than 0 and less than 500 characters! Cancel Address: No. 30 Shuangqing Road, Haidian District, opposite the East Campus of Tsinghua University Phone: 010-62792475 Category: Wudaokou Chenchen165's other comments\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":998,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 294.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 282.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 998\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.09 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":999,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 544.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 128.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 999\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 123.79 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1000,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 544.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaking Games Staff Training\"\nQuery Dwell Time: 387.5 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1000\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 383.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1001,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tourism\"\nQuery Dwell Time: 30.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1001\nTitle: \"Where to go in Beijing in 2017? Beijing Tourism, the most worthwhile places to visit in Beijing_LeTou Travel Network\"\nSummary: \"Welcome to Beijing's Loto. Loto's unique interest engine recommends unique tourism elements in Beijing, allowing you to discover a different Beijing and bring you the most fashionable travel inspiration to Beijing. Let's lotour!\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1002,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 46.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1002\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.43 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1003,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Tourism\"\nQuery Dwell Time: 97.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1003\nTitle: \"Baiyangdian Tourism Network--Make your Baiyangdian travel easier\"\nSummary: \"Baiyangdian Tourism Network provides Baiyangdian tourism, Baiyangdian self-driving tour, Baiyangdian self-guided tour, Baiyangdian farmhouse, Baiyangdian hotel reservation, Baiyangdian meal reservation, Baiyangdian route, Baiyangdian tour guide, Baiyangdian conference reception, Baiyangdian individual tourist reception consultation...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1004,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Tourism\"\nQuery Dwell Time: 97.38 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1004\nTitle: \"2017 Baoding Baiyangdian Tourism Guide - Baiyangdian Self-guided Tour - Baiyangdian Tickets, Transportation, Weather, Attractions Introduction\"\nSummary: \"Provide the latest 2017 Baoding Baiyangdian travel guide, including a detailed introduction to Baoding Baiyangdian attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.09 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1005,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Travel Guide\"\nQuery Dwell Time: 35.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1005\nTitle: \"Baiyangdian Travel Guide_Xin Blog\"\nSummary: \"Category: Travel Information Tags: Baiyangdian Tourism Beijing Surrounding Tourism Read 906 Comments 0 Baiyangdian Tourism Guide: 1. Introduction to Baiyangdian Baiyangdian is the largest lake on the Haihe Plain in China. It is located in the central part of Hebei Province. It was formerly known as Baiyangdian, also known as Xi...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.89 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1006,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 240.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baiyangdian Travel Guide\"\nQuery Dwell Time: 35.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1006\nTitle: \"Baiyangdian Travel Guide_Lvmama Travel Guide\"\nSummary: \"Lvmama Guide: Baiyangdian is located in the central part of Hebei Province, 45 kilometers away from Baoding City, with the Daqing River running through it from east to west. Baiyangdian is a collective name for a group of lakes consisting of 143 lakes of varying sizes and more than 3,700 trenches. The larger lakes include Baiyangdian, Shaoche...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 19.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1007,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 122.33 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1007\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 105.42 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1008,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bike Price Range\"\nQuery Dwell Time: 39.95 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1008\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 25.69 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1009,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 106.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1009\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed-gear. The price of an entry-level fixed-gear is about 2,500 yuan, and the more expensive ones are tens of thousands or even hundreds of thousands. The common materials used for entry-level cars are steel and aluminum, while the common materials used for high-end cars may be carbon fiber. At present, there are also many domestic fixed-gears...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 74.04 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1010,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 106.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1010\nTitle: \"\u3010Disc brake fixed gear\u3011Price_Picture_Brand_Review-JD.com\"\nSummary: \"JD.COM is a professional online shopping mall for disc brake fixed gears in China, providing information on disc brake fixed gear prices, quotes, parameters, reviews, pictures, brands, etc. If you want to buy disc brake fixed gears, go to JD.COM.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1011,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 373.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"JD.com\"\nQuery Dwell Time: 24.1 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1011\nTitle: \"JD.com-Welcome to log in\"\nSummary: \"English Site login page, questionnaire Mobile Jingdong register immediately About us Contact us Talent recruitment Merchant settlement Advertising service Mobile Jingdong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1012,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 47.34 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1012\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.08 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1013,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International Flight Baggage Regulations 2017\"\nQuery Dwell Time: 103.35 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1013\nTitle: \"2017 Aircraft Checked Baggage Regulations_2017 Aircraft Checked Baggage Detailed Regulations - Life Network\"\nSummary: \"2017 Aircraft Checked Baggage Regulations_2017 Aircraft Checked Baggage Detailed Regulations Checking luggage when traveling by plane is a hassle... Passengers holding infant tickets do not have free baggage allowance. The free baggage allowance regulations for international flights vary from airline to airline. The composition...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.77 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1014,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International hand luggage weight\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1014\nTitle: \"China International Shipping Company Luggage Weight Regulations_www.dragonsea-china.com\"\nSummary: \"You are here: Home > International Express > China International Shipping Company Baggage Weight Regulations 1. China International Airlines (CA): 20 kg for international checked baggage (30 kg for students) except for the US and Canada routes, 10 kg for hand luggage 115 cm above the ground. For the US and Canada routes, the luggage weight is 20 kg.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 241.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1015,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International hand luggage weight\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1015\nTitle: \"[Help] Ask Air China staff about the carry-on luggage weight for international trips~\"\nSummary: \"Topic: [Help] Ask Air China staff - about the weight of hand luggage for international trips~ You are here: Home >> Air China Forum [Edit] [Reply] [Quote] My friend took an Air China flight from Beijing to Frankfurt, Germany on September 9, and then transferred...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.3 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1016,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International hand luggage weight\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1016\nTitle: \"International Flight Luggage Weight\"\nSummary: \"Requirements for the number, weight and size of checked and carry-on luggage on general international flights When traveling between Zones 1 and 3 of IATA, the piece-rate system is adopted, stipulating that passengers in F\/C cabins can check in two pieces of luggage, each weighing no more than 32KG, and the size of each piece...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1017,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 290.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1017\nTitle: \"What are the luggage weight regulations for international flights?\"\nSummary: \"Carry-on baggage: The maximum size of standard carry-on baggage is 56*45*25 (cm), with no weight limit, but passengers must be able to put their luggage into the luggage locker on the top of the cabin independently. Plus a briefcase or a laptop or luggage of the same size...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.92 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1018,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights checked baggage weight\"\nQuery Dwell Time: 39.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1018\nTitle: \"Regarding the luggage weight of international flights! ! ! -\"\nSummary: \"International flight checked luggage size issues: General international flight checked and carry-on luggage number, weight, size requirements http:\/\/wenku.baidu.com\/... About international students' luggage weight issues: International\/regional flights: 1. Passengers take...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1019,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights checked baggage weight\"\nQuery Dwell Time: 39.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1019\nTitle: \"What are the weight requirements for carry-on baggage on Air China international flights?\"\nSummary: \"Post number: 2 Page: Share to: Article topic: What are the weight requirements for random baggage on Air China international flights? ? dragondog Sender: dragondog (), Message area: FeiyueLaoyou As the title says, I asked a lot of questions and they were all different. Air China...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1020,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights checked baggage volume\"\nQuery Dwell Time: 50.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1020\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1021,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 78.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1021\nTitle: \"Regulations on Checked Baggage on International Flights\"\nSummary: \"Hailong International Luggage Transport Company International Flight Checked Baggage Regulations China International Airlines International Flight Checked Baggage Regulations, the specific contents are as follows: International routes free baggage allowance is divided into weight-based free baggage allowance and piece-based free baggage allowance. Weight-based free baggage allowance... Articles entering or transiting and other restricted items. Passengers are not allowed to carry weapons, sharp objects and lethal weapons on board. Transportation...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.55 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1022,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International Flights Baggage Information\"\nQuery Dwell Time: 54.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1022\nTitle: \"How many ml of liquid can I bring on an international flight? - Mafengwo\"\nSummary: \"If there are 10 bottles, does the 6ml eye drops and a 22ml mask count as one bottle? What is the process for security check? Do I need to take them out for security check separately? I am taking an international flight~ Thank you for your answer\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.72 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1023,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 783.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"International flights Liquids\"\nQuery Dwell Time: 54.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1023\nTitle: \"What are the restrictions on checked liquids on international and domestic flights? I want to bring some boiled Chinese medicine...\"\nSummary: \"I want to bring some boiled Chinese medicine, vacuum packed, can I... Check it in! Not carry on! 272 views 0 people follow Follow Answer 1 answer Most flights do not allow liquids over 50ml. Chinese medicine is even more forbidden. Chinese patent medicines are limited...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.02 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1024,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 155.29 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1024\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 148.3 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1025,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 188.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1025\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 171.78 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1026,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 188.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1026\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.76 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1027,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 121.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1027\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 85.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1028,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 495.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 121.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1028\nTitle: \"Introduction to smoking cessation methods\"\nSummary: \"This method is worth trying when other methods have failed. \"I started to quit smoking with the help of the patch. Later I used 2mg nicotine gum instead of the patch. So far, I have been using nicotine replacement for 8 months. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1029,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"google glass\"\nQuery Dwell Time: 143.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1029\nTitle: \"GoogleGlass- Wikipedia\"\nSummary: \"Google Glassis an optical head-mounted display designed in the shape of a pair of eyeglasses. It was developed by X (previously Google X) with the mission of ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 121.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1030,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 27.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1030\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.68 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1031,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1031\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.63 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1032,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1032\nTitle: \"The core functions of Google Glass cannot be used in China, and large-scale promotion is difficult | Google Glass | Google | Now_...\"\nSummary: \"April 28, 2014 - According to our reporter, so far, very few people have used Google Glass, and there is no official sales channel in China. Various videos showing the \"magical functions\" of Google Glass circulating on the Internet have further enhanced the public's interest in it...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1033,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taobao\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1033\nTitle: \"What are the functions of Google Glass - CSDN Blog\"\nSummary: \"From GPS navigation, intelligent language search, video conferencing to Gmail email, calendar, Googleplus and photo sharing, many functions are integrated into the Google Glass application. When you need them, they are turned on; when you don't need them...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1034,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 212.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1034\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.95 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1035,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 53.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1035\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.76 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1036,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 491.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 53.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1036\nTitle: \"Google Glass goes global, lands in the UK, costs 1,000 pounds | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.78 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1037,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 65.72 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1037\nTitle: \"...Full Netcom Beijing Price\u3011Beijing Apple iPhone 6 Full Netcom Latest Price_iPhone 6 Full Netcom...\"\nSummary: \"Version selection Network: Mobile 4G Dual 4G Full Netcom Version: 16GB Licensed 32GB Licensed 64GB Licensed 128GB Licensed You have been located in Beijing, the version is 32GB Licensed, local reference price: Switch city Please select a city Monthly price...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.57 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1038,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 17.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1038\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1039,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 17.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1039\nTitle: \"\u3010iPhone 6 Hong Kong version price\u3011iPhone 6 Hong Kong version price latest information - ZOL Zhongguancun Online\"\nSummary: \"ZOL Zhongguancun Online provides you with professional and timely solutions to problems related to the price of the Hong Kong version of iPhone 6, solving the price issues of the Hong Kong version of iPhone 6 that current users are concerned about.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1040,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 90.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1040\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"With the iPhone 6 being launched in Hong Kong, China, many Apple fans have already been waiting at the official Apple flagship stores in Hong Kong. Where can iPhone 6 be bought in Hong Kong? How to get there? Let's take a look. 1) IFC Store Address: IFC...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.79 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1041,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 brings back tax\"\nQuery Dwell Time: 90.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1041\nTitle: \"iPhone6 \u200b\u200bHong Kong official website booking guide, how to book iPhone6 \u200b\u200bon Hong Kong official website - Xiao Ni Dou - ...\"\nSummary: \"There are two ways to reserve an iPhone on Apple's official website: one is to submit an application online, and after being selected by lottery, go to the Hong Kong Apple Store to pick up the product and pay in cash (UnionPay payment is supported); the other is to reserve online and pay with an international credit card first...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1042,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong price\"\nQuery Dwell Time: 65.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1042\nTitle: \"How much is the iPhone 6 selling in Hong Kong?\"\nSummary: \"The specific prices of iPhone 6 in Hong Kong are as follows: Apple IPHONE 6+ 16GB China Mobile Unicom 4G mobile phone (gold) Hong Kong version price is 4788 yuan Apple IPHONE 6 128GB China Mobile Unicom 4G mobile phone (gold) Hong Kong version price...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1043,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong price\"\nQuery Dwell Time: 65.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1043\nTitle: \"iPhone 6 price in Hong Kong - Hong Kong - 16th Floor\"\nSummary: \"[Shopping] iPhone 6 Hong Kong price. Have you bought it at this price? Which store is this price? I didn't buy it. I took the photo at the store. Hong Kong roadside mobile phone store. Do you have to queue up in the store now? You don't have to queue up, but you still have to make a reservation. Wait. You don't have to queue up, but you still have to make a reservation. Wait. You don't have to queue up, but you still have to make a reservation. ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1044,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 40.84 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1044\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1045,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 580.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tariff\"\nQuery Dwell Time: 40.84 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1045\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1046,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 130.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1046\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.87 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1047,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 130.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1047\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 79.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1048,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Opening Hours\"\nQuery Dwell Time: 142.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1048\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Value for money: 9.0 Modify time Cancel Save modification...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 22.84 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1049,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Opening Hours\"\nQuery Dwell Time: 142.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1049\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.54 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1050,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Location\"\nQuery Dwell Time: 30.15 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1050\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1051,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 335.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Location\"\nQuery Dwell Time: 30.15 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1051\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.63 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1052,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 718.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 134.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1052\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercises have multiple strategic significances\"\nSummary: \"Core Tip: The PLA Navy's Liaoning aircraft carrier led a fleet that sailed through the Pacific Ocean and into the South China Sea for the first time, intending to show its... The intention of containing the Taiwan authorities who do not recognize the \"one China\" principle. The Chinese Navy's strategy keeps pace with the times and is moving towards...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 108.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1053,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 718.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 134.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1053\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercise has multiple strategic significance and demonstrates its defense capability_Military Channel_Eastern Headlines\"\nSummary: \"Data map: Liaoning aircraft carrier Reference News reported on December 29 that foreign media said that the United States said that China has the right to sail in international waters. Previously, a Chinese mainland aircraft carrier sailed into the South China Sea near Taiwan. According to the Associated Press on December 27, Taiwan\u2019s defense chief...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1054,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 269.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 85.14 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1054\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.31 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1055,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 269.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing's surrounding attractions - convenient, cheap and famous\"\nQuery Dwell Time: 141.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1055\nTitle: \"Travel to Beijing to see several famous attractions, where to stay with convenient transportation - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where to stay for convenient transportation when visiting several famous attractions in Beijing 35470 views 7 people follow Follow Answer 7 answers [The questioner accepts] Most of the places that tourists want to visit can be reached by subway, so you must stay in a...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.69 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1056,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 269.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing's surrounding attractions - convenient, cheap and famous\"\nQuery Dwell Time: 141.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1056\nTitle: \"Travel to Beijing to see several famous attractions, where to stay with convenient transportation - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where to stay for convenient transportation when visiting several famous attractions in Beijing 35470 views 7 people follow Follow Answer 7 answers [The questioner accepts] Most of the places that tourists want to visit can be reached by subway, so you must stay in a...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.41 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1057,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 168.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of fixed-wing aircraft near Tsinghua University\"\nQuery Dwell Time: 82.73 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1057\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.38 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1058,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 168.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Notes on Dead Flight\"\nQuery Dwell Time: 60.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1058\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8903 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1059,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 168.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Notes on Dead Flight\"\nQuery Dwell Time: 60.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1059\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1060,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 240.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Required carry-on items for international flights\"\nQuery Dwell Time: 200.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1060\nTitle: \"International flight baggage regulations\"\nSummary: \"Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg...Liquid containers with a capacity of more than 100 ml cannot be placed in carry-on luggage, but must be placed in checked luggage for transportation. 15...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1061,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 240.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Hand luggage weight limit Checked luggage weight limit Hand luggage Liquids\"\nQuery Dwell Time: 200.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1061\nTitle: \"Aircraft checked baggage weight -\"\nSummary: \"Restrictions on carry-on luggage \u2474. Domestic flights: The total weight of the passenger's hand luggage should not exceed 5 kg, and the weight... There are two types of restrictions on checked luggage: A-... How many milliliters of liquid can be carried in checked luggage on an airplane: International and regional...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1062,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 240.06 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Hand luggage weight limit Checked luggage weight limit Hand luggage Liquids\"\nQuery Dwell Time: 200.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1062\nTitle: \"\u300aGeneral Requirements for the Number, Weight and Size of Checked and Carry-on Baggage on International Flights\u300b\"\nSummary: \"The so-called \"piecework\" system is implemented on flights to America, which actually has restrictions on weight and number of pieces. The international consensus is... You can also take a laptop on the plane. Q: What are the regulations on luggage weight for international flights? Q: International flights...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1063,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 110.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 22.95 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1063\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.21 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1064,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 110.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 33.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1064\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.48 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1065,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 110.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 25.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1065\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.72 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1066,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 102.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features, usage, price and more\"\nQuery Dwell Time: 49.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1066\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"From the promotional video of Google Glass released by Google, it is not difficult to judge that almost all the basic functional applications based on Android phones can be transplanted into smart glasses, but the presentation method does not rely on the phone screen, but on semi-transparent projection... Yesterday, Google released a new promotional video of Google Glass on its official website, which let us see the magic of Google Glass,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.67 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1067,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 102.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass features, usage, price and more\"\nQuery Dwell Time: 49.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1067\nTitle: \"Google Glass: Why the product that revolutionized the future gradually disappeared | Google Glass | Wearables_Industry_Sina...\"\nSummary: \"January 26, 2015 - But consumers are completely unsure about the former's functions and usage. As for the applications of Google Glass, there are... The price when it was launched was only $299. An article on the technology blog GigaOM pointed out that the components of the product...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1068,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 102.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 29.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1068\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_IT Information Zone_Information Zone Kafan Forum...\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.1 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1069,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The price of iPhone 6 in China and Hong Kong, how to buy iPhone in Hong Kong, whether you need to pay customs duties when bringing iPhone back to China, whether Hong Kong version of iPhone supports domestic operator network, etc.\"\nQuery Dwell Time: 64.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1069\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"There is a saying that if the unopened electronic products in Hong Kong exceed 5,000 yuan, they will be subject to a 20% tariff, which means that the iPhone 6... Luohu... Things to pay attention to when letting friends buy iPhone 6 from Hong Kong and bring it back to the mainland... 1. Apple Hong Kong needs to... Then go to the designated Apple Re... If you bring the iPhone 6 bought in Hong Kong back to the mainland, it will be checked or confiscated by customs...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.28 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1070,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The price of iPhone 6 in China and Hong Kong, how to buy iPhone in Hong Kong, whether you need to pay customs duties when bringing iPhone back to China, whether Hong Kong version of iPhone supports domestic operator network, etc.\"\nQuery Dwell Time: 64.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1070\nTitle: \"Is the Hong Kong version of Apple expensive?\"\nSummary: \"Answer: The price in Hong Kong is calculated in Hong Kong dollars. You need to convert the Hong Kong dollar price to the RMB price. The current exchange rate is about 1:0.83... Equivalent to 5759 yuan, the domestic price is 6888 yuan, which is 1129 yuan cheaper. Hello, the iPhone6+ Hong Kong price is for your reference, i... Answer:... Answer: I just went to Apple stores in mainland China and Hong Kong to learn about the price: The price of the domestic iPhone6s 16GB is 5288 yuan, and the price in Hong Kong...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.13 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1071,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong, whether the Hong Kong version of the iPhone supports domestic operator networks, etc.\"\nQuery Dwell Time: 57.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1071\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"I saw that the Hong Kong official website supports the three major domestic operators. Does the Hong Kong version of iPhone7 support Telecom? I saw that Hong Kong... Network type Memory 2GB Report Thank you for your contribution to the harmony of the community. Please select the report type. Report successfully. After verification...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.82 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1072,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 136.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong, whether the Hong Kong version of the iPhone supports domestic operator networks, etc.\"\nQuery Dwell Time: 57.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1072\nTitle: \"About buying Hong Kong iPhone online_Mobile phone usage issues_PConline quick question\"\nSummary: \"\/home\/shop_iphone\/family\/iphone Ask students who have ordered Hong Kong iPhone online. 1) Online ordering... Using Hongxue jailbreak works better. 5. Domestic credit cards generally support RMB and USD accounts, Hong Kong uses HKD, and exchange... Students who don't understand IPHONE please don't mislead LZ~~ 1. The ordering process is roughly like this: place an order on the Hong Kong official website, use...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1073,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 122.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 65.81 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1073\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.48 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1074,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 122.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 65.81 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1074\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.32 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1075,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 122.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 28.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1075\nTitle: \"No. 30 Shuangqing Road, opposite the East Campus of Tsinghua University (near Wudaokou) How to get there, Chen Ming Swimming...\"\nSummary: \"957 Express 2, 697, 982 Tsinghua University West Gate Station, Yuntong Line 110, 333, 913, 628, 355, 438, 466... \u200b\u200bmore Note: The map location is for reference only, the specific situation is subject to the actual road sign information. Introduction: Chen Mingyou...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1076,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1076\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.51 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1077,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1077\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.54 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1078,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1078\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.68 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1079,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1079\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.89 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1080,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1080\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.42 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1081,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information about Liaoning (such as displacement, length, beam, number of crew members, speed, weaponry, etc.), history of Liaoning, strategic role of aircraft carriers, advantages and disadvantages of Liaoning compared to other countries' aircraft carriers, etc.\"\nQuery Dwell Time: 197.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1081\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Liaoning aircraft carrier Xiaoyan basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy... Reference data Length 304.5 meters, waterline length 270 meters beam 75 meters, waterline width: 38 meters displacement 55,000 tons (...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.64 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1082,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers.\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1082\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"The \"top\" model of the Liaoning aircraft carrier was unveiled at the Shanghai China Maritime Museum. China Economic Net 2012-10-08 11:02:35 Font size... China Liaoning aircraft carrier information.doc 9 pages Q: How high is the localization level of the \"Liaoning\"? CHN Strong Network Forum A: The \"Liaoning\" is an old aircraft carrier...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1083,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers.\"\nQuery Dwell Time: 193.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1083\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"The \"top\" model of the Liaoning aircraft carrier was unveiled at the Shanghai China Maritime Museum. China Economic Net 2012-10-08 11:02:35 Font size... China Liaoning aircraft carrier information.doc 9 pages Q: How high is the localization level of the \"Liaoning\"? CHN Strong Network Forum A: The \"Liaoning\" is an old aircraft carrier...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1084,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1084\nTitle: \"The first domestically-made aircraft carrier was launched. What are the improvements compared to the Liaoning? - Wukong Q&A\"\nSummary: \"Just like Toyota's Corolla and Ralink. First of all, let's talk about the deck. The deck area has increased compared to the Liaoning, and the island... The shipborne equipment of the domestic aircraft carrier, such as the battlefield perception system, radar and air traffic control system, will have advantages over the Liaoning. Finally... In addition, if it is not a nuclear-powered aircraft carrier, a conventionally powered aircraft carrier needs a centralized exhaust chimney location,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1085,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1085\nTitle: \"Let's deduce the situation of the Liaoning aircraft carrier task force encountering other countries' navies in the ocean-...\"\nSummary: \"After get off work, let's deduce the situation of the Liaoning aircraft carrier task force encountering other countries' navies in the ocean, that is, without considering the influence of shore-based aviation forces, and relying only on the strength of the fleet itself. Liaoning aircraft carrier task force: Liaoning aircraft carrier...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.88 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1086,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1086\nTitle: \"Liaoning aircraft carrier configuration and future domestic aircraft carrier speculation - Navy version - Super Base Military Forum - the most...\"\nSummary: \"It is highly likely that the domestically-produced aircraft carrier will continue to use conventional steam power. It should be similar to the power configuration of the Liaoning, with 4 steam turbines... However, nuclear-powered aircraft carriers are complex in technology and expensive to use, and not every country can afford to manufacture and use them. Moreover, as a...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1087,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 390.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Compared with other countries' aircraft carriers, the advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 84.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1087\nTitle: \"Advantages and disadvantages of the J-15 as a carrier-based aircraft, - Navy Edition - Super Base Military Forum - The most influential...\"\nSummary: \"Aloof from the world, tolerant and great. The advantages are great, but the disadvantages are... no catapult is not happy. . . . . . The most influential... Aloof from the world, tolerant and great. The carrier-based aircraft is a heavy aircraft, a bit big compared to the aircraft carrier. The most influential military forum - super... But there will be no stealth by then... A small number of J20s will be equipped for \"kicking the door\" and other high-risk tasks. The performance will definitely be defeated by MD's F35C...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.73 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1088,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1088\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Team rhythm 8 Find common interests 9 Rebellion 10 Hand in hand 11 No matter what 12 Group together to conquer the world 13 Grouping method 14 Name string game 15 Playing monster 16 Evolution 17 Challenge to count numbers 18 Hunters hunting rabbits 19 Kaleidoscope 20 Transportation...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1089,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1089\nTitle: \"Team Ice Breaking Party - Interactive Game Rules\"\nSummary: \"Tags: ice-breaking team gathering I. Activity background (I) Purpose and significance of the activity Because the new members are not very familiar with their degree and are not familiar with each other, this ice-breaking activity is carried out to provide them with a platform...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 0.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1090,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1090\nTitle: \"Internal training team ice-breaking game\"\nSummary: \"Ice-breaking games for internal corporate training teams The first one: Magician turns into stone [Ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships Through activities, students can increase their familiarity and integrate into the course in a short period of time Activity tools...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1091,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 137.08 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Team Icebreaker\"\nQuery Dwell Time: 126.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1091\nTitle: \"044-Eight Steps to Break the Ice in a Team\"\nSummary: \"Teacher J in the trainer salon group shared the ice-breaking process of team building. I think it is very detailed and can also bring some help and thinking to our new internal trainers. I now share the excerpt with you. The ice-breaking process is related to whether the training is successful...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1092,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 129.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1092\nTitle: \"7-day group tour from Beijing to surrounding areas_June 2018 Beijing to surrounding Yellow River Hukou Waterfall tour route...\"\nSummary: \"Utour Travel Beijing Station provides 7-day group tours from Beijing to the surrounding areas, recommended popular tourist routes from Beijing to the surrounding areas in June 2018, the latest price information for the Yellow River Hukou Waterfall tour from Beijing to the surrounding areas, and more details, all at Utour Travel Beijing Station...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 58.78 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1093,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 129.7 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1093\nTitle: \"[58.com] 7-Day Tour from Beijing to Shilihualang_7-Day Tour from Beijing to Shilihualang...\"\nSummary: \"Introduction to Beijing's surrounding Shili Gallery: 58.com Travel Channel is a professional free publishing and inquiry platform for 7-day tour routes from Beijing's surrounding areas to Shili Gallery. You can check the price of 7-day tour routes from Beijing's surrounding areas to Shili Gallery for free. Thank you for choosing...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1094,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1094\nTitle: \"[Baidu Map API] 7-day tour around Beijing - icons follow the route - Blog - Yunqi Society...\"\nSummary: \"Original text: [Baidu Map API] 7-day tour around Beijing - Icons follow the route track Task description: The Spring Festival is coming~ Yogurt girl's mother is coming from faraway Chongqing to Beijing to celebrate the Spring Festival! Yogurt girl is busy planning for her mother, Beijing Week...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.35 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1095,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1095\nTitle: \"Beijing 7-Day Tour\"\nSummary: \"Beijing surrounding tours, Beijing suburbs tours, Beijing suburbs tourism, Beijing surrounding two-day tours - Beijing waterfalls ... Beijing waterfall leisure residence is a good place for holiday leisure, Beijing surrounding scenic spots, Beijing suburbs tours, Beijing suburbs tourist attractions, Beijing surrounding two-day tours, Beijing...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 67.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1096,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1096\nTitle: \"Ask for advice on the seven-day tour in Beijing_Solved - Alibaba Business\"\nSummary: \"Adoption rate: 0% Answer time: I will answer One day: Rest in Beijing first, stroll around the area around the residence... It would be best if I live in Houhai, at least I like it~ According to weather conditions: One day: Sunny: Go to the Summer Palace... Stroll around the garden for a day... One day...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1097,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1097\nTitle: \"Beijing's surrounding tourist attractions Beijing No. 1 Beijing Beidaihe double bed 7-day tour\"\nSummary: \"Beijing surrounding tourist attractions Beijing Beidaihe warm family single flight single bed 7-day tour morning, noon and night Beijing D4 visit the world's largest royal garden - the Summer Palace (80-100 minutes), visit the production process and process of the quintessence of Chinese culture - cloisonn\u00e9 (...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.23 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1098,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 528.76 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Seven-day tour around Beijing\"\nQuery Dwell Time: 338.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1098\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 103.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1099,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Prices around Tsinghua University\"\nQuery Dwell Time: 58.2 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1099\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 23.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1100,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1100\nTitle: \"[Ctrip Guide] Food near Beijing Merida Bicycle (Tsinghua West Gate), Merida Bicycle...\"\nSummary: \"Restaurants near Merida Bicycle (Tsinghua West Gate) in Beijing, Ctrip Guide Community! Tell you what tourist food is around Merida Bicycle (Tsinghua West Gate), provide introduction and pictures of tourist food around Merida Bicycle (Tsinghua West Gate)...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1101,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1101\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"The phone number of Fei Ge Bicycle Tsinghua West Gate is , and the address of Fei Ge Bicycle Tsinghua West Gate is . In addition, you can also view the map, public transportation and nearby popular places of Fei Ge Bicycle Tsinghua West Gate.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1102,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1102\nTitle: \"[Dahon Folding Bike (Tsinghua West Gate)] Dahon Folding Bike (Tsinghua West Gate) phone number, Dahon...\"\nSummary: \"The phone number of Dahon Folding Bike (Tsinghua West Gate) is , and the address of Dahon Folding Bike (Tsinghua West Gate) is West Gate of Tsinghua University, No. 30 Shuangqing Road. In addition, you can also view the map, public transportation and nearby popular places of Dahon Folding Bike (Tsinghua West Gate).\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1103,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 116.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1103\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.66 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1104,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua fixed gear price\"\nQuery Dwell Time: 55.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1104\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1105,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua fixed gear price\"\nQuery Dwell Time: 55.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1105\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Recently, a 13-year-old female middle school student in Zhangzhou died in a traffic accident while riding a fixed-gear bicycle, which became the focus of domestic media attention. Subsequently, Fujian Province banned fixed-gear bicycles from the road. This morning, the reporter found that \"...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.07 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1106,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 475.16 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua fixed gear price\"\nQuery Dwell Time: 55.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1106\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Recently, a 13-year-old female middle school student in Zhangzhou died in a traffic accident while riding a fixed-gear bicycle, which became the focus of domestic media attention. Subsequently, Fujian Province banned fixed-gear bicycles from the road. This morning, the reporter found that \"...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1107,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1107\nTitle: \"2016 New Regulations on the Size of Carry-On Baggage for International Flights for Outbound Tourism\"\nSummary: \"For more information about the new regulations on the size of luggage for international flights for outbound tourism in 2016, please visit the travel website. 2016 Air China's latest policy on checked luggage Air China has introduced a new policy of free checked luggage for ordinary luggage! After taking Air China flights...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 115.24 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1108,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1108\nTitle: \"International Flight Luggage Size - Paris Travel Q&A [Ctrip Guide]\"\nSummary: \"Hong Kong: +852-3069-9966 Overseas: +86-21-3406-4888 Solved questions: 1806552 3440203 people contributed valuable experience International flight carry-on baggage dimensions What are the maximum dimensions of carry-on baggage on Air China's international flights?\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.4 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1109,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1109\nTitle: \"What is the size of a carry-on suitcase on international flights? - Travel\"\nSummary: \"Generally, China Eastern Airlines international flights allow 2 suitcases, each no more than 23kg. Economy class on international flights generally allows 23kg. Please accept the Economy cabin, 2 pieces, 23kg\/piece. The sum of the three sides is \u2264158cm. Please tell me the maximum size of a carry-on suitcase on domestic flights...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1110,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1110\nTitle: \"International flight carry-on luggage oversize - Qyer Q&A\"\nSummary: \"I bought a 20-inch suitcase with the dimensions of 55x37x26 and wanted to take it as a carry-on baggage. However, I found that the carry-on baggage restrictions for Eastern Airlines and American Airlines are both 20X40X55 and 56X36X23. . The thickness of mine exceeds the limit by a little bit. . Is it...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 52.77 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1111,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight luggage dimensions\"\nQuery Dwell Time: 390.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1111\nTitle: \"Domestic flight checked baggage size requirements - Work - Life - ITeye Forum\"\nSummary: \"Domestic flight luggage, luggage, checked baggage size requirements China Eastern Airlines checked baggage size specifications Each piece of checked baggage cannot exceed 32 kg and the volume cannot exceed 40x60x100 cm. Free baggage allowance: [mainly based on weight] Domestic transportation...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 84.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1112,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1112\nTitle: \"Requirements for the number, weight and size of checked and carry-on baggage on certain international flights - Baidu Library -...\"\nSummary: \"The number, weight and size requirements for checked and carry-on baggage on certain international flights are generally consistent with the international regulations that the sum of the three sides of each piece should not exceed 158 cm (economy class). For example, if the three sides of your suitcase are 70, Page 1\/5 1. Ordinary...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 63.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1113,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1113\nTitle: \"Requirements for the number, weight and size of checked and carry-on baggage on certain international flights - Baidu Library -...\"\nSummary: \"The number, weight and size requirements for checked and carry-on baggage on certain international flights are generally consistent with the international regulations that the sum of the three sides of each piece should not exceed 158 cm (economy class). For example, if the three sides of your suitcase are 70, Page 1\/5 1. Ordinary...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 63.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1114,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1114\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"\u3010Number of checked baggage\u3011General requirements for the number, weight, and size of checked and carry-on baggage on international flights. International flights have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA Zones 1 and 3, the piece-based system is used, and the regulations...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1115,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1115\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"\u3010Number of checked baggage\u3011General requirements for the number, weight, and size of checked and carry-on baggage on international flights. International flights have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA Zones 1 and 3, the piece-based system is used, and the regulations...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1116,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1116\nTitle: \"IATA compresses carry-on luggage size Air China, China Southern Airlines, etc. have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1117,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1117\nTitle: \"IATA compresses carry-on luggage size Air China and China Southern Airlines have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1118,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1118\nTitle: \"IATA compresses carry-on luggage size Air China, China Southern Airlines, etc. have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1119,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1119\nTitle: \"IATA compresses carry-on luggage size Air China and China Southern Airlines have not yet adjusted | Meijing App\"\nSummary: \"June 17, 2015 - Rolling luggage needs to be small enough for all passengers on flights with more than 120 people to fit in the overhead bins. The recommended dimensions are 55 cm high, 35 cm wide and 20 cm deep. Windmuller said that various...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 158.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1120,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1120\nTitle: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc_Tao...\"\nSummary: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc General international flight checked carry-on baggage piece number, weight and size requirements \"International route checked baggage is divided into two regulations: uncounted weight system and piece system? ...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1121,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1121\nTitle: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc_Tao...\"\nSummary: \"General international flight checked carry-on baggage piece number, weight and size requirements process document.doc General international flight checked carry-on baggage piece number, weight and size requirements \"International route checked baggage is divided into two regulations: uncounted weight system and piece system? ...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1122,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 544.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1122\nTitle: \"What is the maximum size of a carry-on suitcase on a domestic flight? - Travel Q&A\"\nSummary: \"Outbound travel is all in Qyer App, the choice of millions of travelers. Scan the QR code to download on IOS\/Android. Related questions: What is the maximum size of a carry-on suitcase that can be taken on domestic flights? 0 \/ 1000 words 20 inches, or equivalent luggage 0 \/ 1000 words 0\/1000 ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1123,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight checked luggage dimensions\"\nQuery Dwell Time: 139.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1123\nTitle: \"Domestic flight checked baggage size requirements - Work - Life - ITeye Forum\"\nSummary: \"Domestic flight luggage, bags, checked baggage size requirements Eastern Airlines checked baggage size specifications Each piece of checked baggage cannot exceed 32 kg and the volume cannot exceed 40x60x100 cm. Free baggage allowance: [mainly weight] Domestic transportation...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 85.83 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1124,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight checked luggage dimensions\"\nQuery Dwell Time: 139.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1124\nTitle: \"For those who have taken international flights recently, let me tell you about the size of checked luggage. Waiting for Air China's announcement...\"\nSummary: \"But last week, a friend reminded me that most airlines now limit the size of checked luggage for international flights to no more than 158cm, or 62 inches. The box I bought is 64 inches, or about 163cm. Recently...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.23 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1125,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquids allowed on international flights\"\nQuery Dwell Time: 153.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1125\nTitle: \"How many milliliters of liquids can you bring with you on an airplane? -How many milliliters of liquids can you bring with you on an airplane? _...\"\nSummary: \"International flights: You can carry liquids in your carry-on luggage, but each bottle cannot exceed 100ML and must be placed in a resealable transparent bag with a total volume of no more than 1L (provided free of charge at the airport). In short, the total amount of liquids in your carry-on luggage...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 118.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1126,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight checked baggage regulations\"\nQuery Dwell Time: 35.91 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1126\nTitle: \"Regulations on Checked Baggage on International Flights\"\nSummary: \"Hailong International Luggage Transport Company's International Flight Checked Baggage Regulations China International Airlines' International Flight Checked Baggage Regulations, the specific contents are as follows: International routes' free baggage allowance is divided into two types: weight-based free baggage allowance and piece-based free baggage allowance. Weight-based free baggage allowance...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1127,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 226.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1127\nTitle: \"What are the latest regulations for carry-on luggage on international flights? _Solved - Alibaba Business\"\nSummary: \"Transparent plastic bags containing liquid items must undergo separate security checks; Passengers from abroad who need to transfer to international or regional flights at airports in China must also comply with the above regulations when carrying liquid items. In addition, the duty-free liquid items they bring into the country must...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1128,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1681.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 226.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1128\nTitle: \"Air China Carry-on Baggage Regulations\"\nSummary: \"The following items that require special care shall not be checked in as baggage or placed in checked baggage, but shall be carried in the cabin as unchecked baggage. For losses caused by passengers violating this regulation, Air China shall only bear compensation liability as for general checked baggage. Heavy...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 191.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1129,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1129\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.42 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1130,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1130\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"The most scientific way to quit smoking 2017-10-09 The best way to quit smoking with Chinese medicine 2017-10-09 The correct way to quit smoking 2017-10-09 How to quit smoking most effectively 2017-10-09 How to quit smoking 2017-10-09 How to quit smoking quickly 2017-10...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.05 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1131,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1131\nTitle: \"What are the ways to quit smoking? Teach you how to quit smoking easily_Gufang Chinese Medicine Network\"\nSummary: \"Quitting smoking involves several stages: considering quitting, preparing to quit, taking quitting actions, maintaining a state of quitting or relapse. The early stages of quitting are difficult, and to easily quit smoking, you can use the following methods to quit: Four steps to easily quit smoking Step 1 Write down what you think...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1132,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1132\nTitle: \"Methods and effects of quitting smoking - Good Doctor Online\"\nSummary: \"There are two issues to note when using nicotine replacement therapy: first, it should be used in conjunction with other smoking cessation methods; second, be alert to the possibility that long-term use of nicotine preparations may also lead to nicotine addiction. Other drug treatments include clonidine, antidepressants, antianxiety drugs and...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 110.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1133,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 161.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1133\nTitle: \"How to Quit Smoking Fast\"\nSummary: \"How to get through the first five most difficult days of quitting smoking? The following seven methods of quitting smoking are provided (II): (1) Drink 6-8 glasses of water between meals to help excrete nicotine from the body. (2) Take a warm bath every day, and take a shower immediately when you can't resist the urge to smoke. (3) During the five days of quitting smoking...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1134,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1134\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? I have swollen body, high blood pressure and faster heart rate. I have quit smoking for more than ten days. Is this normal? If I continue smoking, will it have any effect on my body? As long as the method is suitable and has no side effects, the following method is for reference only. Set a date to quit smoking. And...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.31 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1135,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1135\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.96 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1136,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1136\nTitle: \"The harm of smoking and the benefits of quitting smoking_Shuangshuang Quit Smoking Center Bar_Baidu Post Bar\"\nSummary: \"The harm of smoking and the benefits of quitting smoking..The harm of smoking is known to everyone. \"Smoking is harmful to health\" is written on the cigarette box to remind people that smoking is not a good habit. Smoking is a chronic suicide, which will gradually increase with the age of smokers...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1137,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 125.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1137\nTitle: \"The harm of smoking and the benefits of quitting smoking (2)_Health knowledge_Health guide\"\nSummary: \"Benefits of Quitting Smoking 1. Overview According to scientists' years of experiments, smokers will experience a series of beneficial changes in their organs after quitting smoking. The changes are roughly as follows: Within 20 minutes: blood pressure drops to the standard level; pulse drops to the standard speed...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 59.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1138,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 369.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 15.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1138\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1139,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Quote\"\nQuery Dwell Time: 102.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1139\nTitle: \"\u3010Google Glass\u3011Google Glass review_How is Google Glass_Price_Parameters_...\"\nSummary: \"Google Glass digital accessories, including the latest price of Google Glass digital accessories, Google Glass digital accessories parameters, Google Glass digital accessories evaluation, Google Glass pictures, Google Glass comments and other related information. For you...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 42.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1140,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Quote\"\nQuery Dwell Time: 102.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1140\nTitle: \"\u3010Google Glass 3\u3011Price_Parameters_Pictures_Google Glass 3 Price-ZOL...\"\nSummary: \"ZOL mobile version provides all the models, quotations, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Google Glass 3 series, as well as the dealer quotations of Google Glass 3 series, for you...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1141,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Quote\"\nQuery Dwell Time: 102.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1141\nTitle: \"How much is the price of Google Glass smart glasses? _Home decoration | YiQi Net decoration\"\nSummary: \"Google Glass smart glasses are priced at 8,750 yuan. They have an independent operating system, and users can install software, games and other programs provided by software service providers. They can add schedules, map navigation, interact with friends, etc. through voice or motion control.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1142,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"googleglass\"\nQuery Dwell Time: 40.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1142\nTitle: \"Google Glass full report - Engadget Chinese version\"\nSummary: \"Ross Wang wechat The return of Google Glass will focus on the enterprise market Sanji Feng wechat Still using Google Glass? It now supports Bluetooth Sanji Feng wechat ARSENZ adds thermal sensing function to ordinary glasses ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 0.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1143,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 209.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1143\nTitle: \"Google Glass 2.0: Detoxification Experience\"\nSummary: \"\"Google Glass 2.0 Part 1: Detoxification Experience\" can be found. To be honest, after using it for a while, I feel that Google Glass is still not widely used in China. You all know the Great Wall of China. If the glasses are not equipped with anything else...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 97.47 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1144,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 420.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 209.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1144\nTitle: \"Google Glass 3 User Manual_Encyclopedia_Products_Pacific Home Network\"\nSummary: \"Such as touchpad, circuit board, battery, etc. In addition, the media said that the camera and display screen used by Google Glass can only be said to be ordinary or even low-end products.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1145,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 51.65 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1145\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.13 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1146,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 53.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1146\nTitle: \"Where to buy iPhone 6 cheapest? iPhone 6 price comparison and Hong Kong purchasing\"\nSummary: \"Below, Apple Garden editors have listed the initial prices of various versions of iPhone 6 in RMB, hoping to provide a reference for your purchase. (Calculated at the exchange rate on September 10, China time) Click the upper right corner to start booking Apple Hong Kong mobile phone Hong Kong: 16G ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1147,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 104.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1147\nTitle: \"Although it is cheap to buy iPhone 6s in Hong Kong, don\u2019t forget to pay tax when crossing the border\"\nSummary: \"Many consumers still choose to buy in Hong Kong. Although it is cheap to buy iPhone 6S in Hong Kong, it is not allowed to bring more than 'personal use,... Passengers must declare their mobile phones to the customs truthfully and pay taxes according to law. The tax rate is 10%. For passengers who purchase...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.2 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1148,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 104.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1148\nTitle: \"Although it is cheap to buy iPhone 6s in Hong Kong, don\u2019t forget to pay tax when crossing the border\"\nSummary: \"Many consumers still choose to buy in Hong Kong. Although it is cheap to buy iPhone 6S in Hong Kong, it is not allowed to bring more than 'personal use,... Passengers must declare their mobile phones to the customs truthfully and pay taxes according to law. The tax rate is 10%. For passengers who purchase...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1149,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 104.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1149\nTitle: \"Don't forget to pay tax when buying an iPhone 6 when traveling abroad_NetEase News\"\nSummary: \"October 1, 2014 - iPhone 6 purchased from abroad must pay tax when entering the country, even if you only bring one. Qingdao Hai... 10%. Take an iPhone 6 (16GB) as an example. The price on the Hong Kong official website is 5588 Hong Kong dollars. Qingdao Hai...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1150,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic networks?\"\nQuery Dwell Time: 62.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1150\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - Both domestic and Hong Kong iPhone 6s support China Mobile's 4G network. China Mobile will also launch pre-sales and lucky draws before and after the Apple conference, and provide various preferential policies for consumers who purchase iPhone 6...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1151,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 322.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic networks?\"\nQuery Dwell Time: 62.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1151\nTitle: \"Both domestic and Hong Kong iPhone 6s support China Mobile's 4G network? ? ? - Pedestrian Street Main...\"\nSummary: \"Some models of the Hong Kong version of 5S do not support China Mobile 4G. I want to buy a Hong Kong version of IPHONE6 and want to confirm whether it can use China Mobile 4G. I want to praise I want to recommend Forward to: Share to Sina Weibo Share to QQ Space Share to Tencent Weibo Share to People...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1152,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 116.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 77.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1152\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.45 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1153,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 116.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 77.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1153\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1154,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 84.12 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1154\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 49.06 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1155,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 375.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1155\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.39 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1156,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 375.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1156\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 276.12 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1157,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 128.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1157\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.68 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1158,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 702.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic significance of Liaoning\"\nQuery Dwell Time: 60.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1158\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1159,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people, new employees\"\nQuery Dwell Time: 294.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1159\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Bundle up - (Applicable to: teamwork) Brief description: By being tied... At least ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1160,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people, new employees\"\nQuery Dwell Time: 294.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1160\nTitle: \"Ice-breaking Games for New Employees_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for the instructor) small plush toys, ping-pong balls, small plastic... This is...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 81.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1161,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Vacations near Beijing\"\nQuery Dwell Time: 46.02 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1161\nTitle: \"A review of eight characteristic towns around Beijing in 2015 - Beijing suburbs holiday resorts and leisure destinations_Tourism_CCTV.com...\"\nSummary: \"Come and have a look at the characteristic towns around Beijing with your money! Miyun Gubei Water Town Gubei Water Town is located in Gubeikou Town, Miyun County, Beijing. It is backed by the most beautiful and dangerous Simatai Great Wall in China and sits on the Yuanyang Lake Reservoir. It is a rare natural town combining mountains, water and city in the suburbs of Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1162,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 75.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1162\nTitle: \"Excuse me, a friend and I are planning to travel in a province near Beijing for about ten days, and we don't know where to go...\"\nSummary: \"Please tell me, my friend and I are planning to travel in the provinces near Beijing for about ten days, but we don't know where to go. We are planning to go to Inner Mongolia and Xinjiang, but we don't know which places are fun. And we only have 2,000 yuan per person. I hope to get some advice from experts...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.56 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1163,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 75.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1163\nTitle: \"...How much does it cost to travel around Beijing for 10 days | Booking_What are the things to do around Beijing - Kanghui Travel Network\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding high-quality tour routes, how much a 10-day local tour route from Beijing to the surrounding areas costs, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.11 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1164,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 75.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1164\nTitle: \"\u301058.com\u3011Beijing surrounding tours_Beijing surrounding tourism_Beijing surrounding tourist attractions\"\nSummary: \"Beijing surrounding tourism information is available for you to choose. You can view and publish Beijing surrounding tourism information for free. Thank you for choosing Beijing surrounding tourism information platform. Mobile access to Beijing surrounding tourism touch screen version, Beijing surrounding tourism express version. Beijing surrounding tourism related information: ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1165,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1165\nTitle: \"\u301058.com\u3011Beijing solo travel surrounding tours_Beijing solo travel surrounding tours_Beijing solo travel...\"\nSummary: \"Domestic and international tours Beijing one-day tour... (10-02) Features: firewood chicken, firewood eggs, reservoir fish, grilled skewers, roasted whole lamb. Real farm life. Gubei Water Town is the... (09-26) We have five days, seven days, ten days, please call this for details...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1166,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1166\nTitle: \"Go to Beijing for a 10-day self-guided tour! Because I have relatives near Jishuitan in Xicheng District, Beijing. . So I have already...\"\nSummary: \"You can only visit a part of it in ten days, and many things should be left for next time. Buy a Beijing map and arrange your own route. Beijing is the best place to practice self-guided tours. Even if you go the wrong way, you may accidentally stumble upon other attractions. #2 Buddaria (Zhouyouniao) said: ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1167,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1167\nTitle: \"\u301058.com\u3011Beijing surrounding tours_Beijing surrounding tours_Beijing surrounding tourist attractions...\"\nSummary: \"Popular attractions: Duration: Tour items: Tour method: Suitable for the crowd: Price: Address: Accommodation reservation Triple room 260 Double room 200 yuan Shilinxia Tan Family Courtyard is located in the vicinity of Beijing. We have five days, seven days, ten days, details...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.8 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1168,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"10-day trip around Beijing\"\nQuery Dwell Time: 94.08 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1168\nTitle: \"Ten-day tour in Beijing, visiting various attractions\"\nSummary: \"\u300eLook here\u300fBeijing specialties, not the Daoxiang Village where you buy rice. Visit Beijing's important tourist attractions in ten days. There is an exit outside the Qianmen Tourism Distribution Center. Buy tickets and join a group to Badaling. The ticket price is 110 yuan. But don't go with a group around the square, although it's cheap...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1169,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel around Beijing\"\nQuery Dwell Time: 76.18 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1169\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1170,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel around Beijing Mafengwo\"\nQuery Dwell Time: 164.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1170\nTitle: \"Recommended tourist attractions around Beijing and its suburbs - Mafengwo\"\nSummary: \"Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo, more of the latest travel notes Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.91 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1171,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel around Beijing Mafengwo\"\nQuery Dwell Time: 164.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1171\nTitle: \"\"First aid\" guide for travel during the National Day holiday: Mafengwo teaches Beijingers how to \"go on a whim\"_Travel_Life...\"\nSummary: \"Mafengwo Tourism Big Data Platform has comprehensively analyzed the three most popular keywords for surrounding tours among Beijing citizens, as well as the most popular attractions or destinations under each surrounding tour theme. Beijing citizens can refer to these widely popular and recognized travel...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1172,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resorts\"\nQuery Dwell Time: 41.45 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1172\nTitle: \"Tahiti Resort - Attractions Pictures - Beijing Attractions - Dianping.com\"\nSummary: \"Uploaded by Dianping.com netizen Duck Who Can't Swim, these are attractions in Tahiti resorts.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1173,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resorts\"\nQuery Dwell Time: 41.45 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1173\nTitle: \"2017 Latest Tahiti Resort Tourism Map_Tahiti Resort Tourist Attractions Map_Tahiti...\"\nSummary: \"Baidu Travel provides you with the 2017 Tahiti resort travel map and Tahiti resort tourist attraction map, Tahiti resort tourist attraction rankings, Tahiti resort tourist attraction location distribution map, and carefully collects routes, food, accommodation, and other Tahiti...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.63 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1174,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resort Tickets and Transportation\"\nQuery Dwell Time: 31.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1174\nTitle: \"2017 Tahiti Resort Tourism Transportation Inquiry_How to Go to Tahiti Resort_Tahiti Resort...\"\nSummary: \"Tahiti Resort Transportation Guide, How to get to Tahiti Resort, Baidu Travel provides you with detailed ways to get to Tahiti Resort from all over the country, as well as Tahiti Resort Transportation Guide, Tahiti Resort Local Transportation Methods, and practical transportation information. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.65 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1175,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 678.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel, transportation and accommodation around Beijing\"\nQuery Dwell Time: 31.51 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1175\nTitle: \"2017 Tahiti Travel Guide - Tahiti Self-guided Tour - Tahiti Tickets, Transportation, Weather and Attractions Introduction\"\nSummary: \"Provide the latest 2017 Tahiti travel guide, including a detailed introduction to Tahiti attractions, ticket prices, traffic and weather, travel guides, travel photos, etc.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.82 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1176,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 78.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1176\nTitle: \"[Buy fixed gear in physical store] Where is the physical store in Guangyuan where I want to buy fixed gear? - Ask Knowledge\"\nSummary: \"There is a physical store selling fixed gear near the west gate of Tsinghua University. Where is the fixed gear store in Wuhu? There is one in 1201, Unit 1, Building 5, Tianheyuan, Wuyi Square. Which physical store selling fixed gear in Luoyang is good? Save face. Where is the physical store selling fixed gear? [hum] Go to the general bicycle...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 47.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1177,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Where can I buy a fixed gear\"\nQuery Dwell Time: 60.17 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1177\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1178,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 227.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1178\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear|\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 114.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1179,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 227.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1179\nTitle: \"How to brake a fixed gear, fixed gear bicycle price, fixed gear mansion\"\nSummary: \"Fixed Gear Bike Price - YoungBike Fixed Gear Bike Contact: 13556526645 YoungBike Fixed Gear Bike Store in Dashi Town, Panyu District, Guangzhou City, Guangdong Province Mainly sells Fixed Gear Bike\u2014\u2014Word explanation, fixed gear bicycle. The rear gear and the rear...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1180,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Dead Gear\"\nQuery Dwell Time: 227.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1180\nTitle: \"Fixed Gear Forum - China's largest fixed gear enthusiasts forum and fixed gear color matching website!\"\nSummary: \"Fixed Gear Club is the largest, most authoritative and most professional fixed gear bicycle forum in China - we are committed to providing the latest and most comprehensive fixed gear videos, fixed gear pictures and fixed gear color matching to the majority of fixed gear enthusiasts in China, and to creating the most professional fixed gear communication community!\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1181,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1181\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.0 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1182,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1182\nTitle: \"How much is a fixed gear bike suitable for a beginner?\"\nSummary: \"For all kinds of fixed gear matching problems, please add the fixed gear player master WeChat: kusifei Welcome all new friends who love fixed gear to add, enjoy one-to-one service, all kinds of fixed gear problems can be solved for you! ! ! Retro fixed gear is the most popular one of GOBIKE in 2014...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 32.25 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1183,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1183\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"They are \"fixed gear\" bicycles, the English name is Fixed Gear Bike, which should be more accurately translated into Chinese as \"fixed gear bicycle\". What is so special about \"fixed gear\"? Why has it become a favorite of fashion people? The reporter invited Nanjing...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 47.71 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1184,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1184\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1185,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 214.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1185\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.92 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1186,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 112.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1186\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.0 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1187,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Notes\"\nQuery Dwell Time: 112.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1187\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Click on the image to see a larger image Product: 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Unit Price: Negotiable ...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 29.08 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1188,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 136.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1188\nTitle: \"What safety precautions should be taken when riding a bicycle? - Zhihu\"\nSummary: \"Log in Join Zhihu Show all followers 1 comment Share Invite to answer Follow the question Write an answer 2 people agreed with this answer To be honest, as long as you are an honest person, there will be no problem riding a fixed gear bike. Don't race. Don't make a fool of yourself. Don't ride fast. There will definitely be no...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1189,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1080.31 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 136.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1189\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1190,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 186.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1190\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.24 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1191,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 186.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1191\nTitle: \"International Flights and Baggage\"\nSummary: \"Although I have asked around for information on luggage preparation, I have no real experience unless I actually go there. Since I prepared my suitcases too early, I... If I don't understand, I will ask the young people around me who speak fluent American English. There are many such people on international flights. After the first time, I will...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 63.39 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1192,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 186.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1192\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"When Chinese students go abroad to study, packing is a necessary preparation for many students. However, when packing, you need to first understand the baggage regulations of the international flights you are taking. There are strict requirements for the weight of luggage on the plane. Let's take a look...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.49 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1193,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage allowance for flights from China to the United States\"\nQuery Dwell Time: 140.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1193\nTitle: \"A complete guide to baggage check-in for flights to the United States\"\nSummary: \"Note: All items purchased at the airport and duty-free shops should be included in the carry-on baggage allowance. Air China (CA) (1) Except for routes to the United States and Canada, 20 kg of checked baggage (30 kg for students), 10 kg of hand luggage 115 cm (2) For routes to the United States and Canada, 2 pieces of checked baggage,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1194,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Baggage allowance for flights from China to the United States\"\nQuery Dwell Time: 140.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1194\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 - As US carriers have lowered the free baggage allowance for economy class, if Air China does not promptly adjust the current two-piece free checked baggage policy, passengers will inevitably suffer from inconsistent baggage standards on US interline flights...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1195,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"China to the United States flights carry-on baggage liquids\"\nQuery Dwell Time: 216.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1195\nTitle: \"International flight baggage regulations\"\nSummary: \"\u2475\u3001International flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*... 3. What are liquids, gels and sprays? Liquids, gels and sprays include: Drinks, such as...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 92.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1196,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"China to the United States flights carry-on baggage liquids\"\nQuery Dwell Time: 216.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1196\nTitle: \"Are there new restrictions on liquid items in checked baggage when taking US flights? - Qyer Q&A\"\nSummary: \"I found a very confusing problem. In the entry of \"Liquids, sprays and gels in carry-on baggage of passengers traveling to the United States\", it shows that passengers flying directly from Dubai International Airport to the United States on Emirates Airlines can carry...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 35.67 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1197,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"China to the United States flights carry-on baggage liquids\"\nQuery Dwell Time: 216.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1197\nTitle: \"How to take domestic and international flights in the United States\"\nSummary: \"Liquids and gels in carry-on baggage, such as skin care and beauty products, can only be carried under the following conditions: ... 2. Checked baggage is divided into two types: domestic flights in the United States and international flights. Domestic flights generally charge for checked baggage, specifically...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1198,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights: prohibited items in baggage\"\nQuery Dwell Time: 174.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1198\nTitle: \"Share with everyone - Items prohibited from being carried on international flights [Australia study abroad information bar]_Baidu Post Bar\"\nSummary: \"Restrictions on carry-on luggage When taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm). Passengers on US-Canada routes can only carry...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.56 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1199,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage on international flights\"\nQuery Dwell Time: 51.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1199\nTitle: \"New Civil Aviation Regulations 2017: These items can only be checked in and are not allowed to be carried on board - Air Cargo - Information - General...\"\nSummary: \"According to the latest regulations of the Civil Aviation Administration of China on alcoholic beverages, which will be implemented from January 1, 2017, alcohol purchased at duty-free shops when transferring from international flights to domestic flights cannot be carried on board, but can be checked in. Its packaging must comply with the relevant regulations of the Civil Aviation Administration of China. Alcoholic beverages as... Recently, the Civil Aviation Administration of China issued the \"Catalogue of Prohibited Carry-on and Checked Items for Civil Aviation Passengers\" and the \"Civil Aviation Passengers' Restricted Carry-on...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.17 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1200,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage on international flights\"\nQuery Dwell Time: 51.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1200\nTitle: \"Civil Aviation Administration of China Regulations on Prohibited Carry-on or Checked Items on Civil Aviation Flights\"\nSummary: \"Relevant regulations of the Civil Aviation Administration of China: 1. Regulations on prohibited items to be carried on or checked in The Civil Aviation Administration of China stipulates that the following items are prohibited to be carried on or checked in when taking civil aviation flights within China: Firearms, military or police...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1201,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage on international flights\"\nQuery Dwell Time: 51.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1201\nTitle: \"Civil Aviation Administration of China Regulations on Prohibited Carry-on or Checked Items on Civil Aviation Flights\"\nSummary: \"Relevant regulations of the Civil Aviation Administration of China: 1. Regulations on prohibited items to be carried on or checked in The Civil Aviation Administration of China stipulates that the following items are prohibited to be carried on or checked in when taking civil aviation flights within China: Firearms, military or police...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1202,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage items on US flights\"\nQuery Dwell Time: 80.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1202\nTitle: \"US airlines upgrade ban on carrying large electronic products on board! _Sohu Technology_Sohu.com\"\nSummary: \"May 31, 2017 - A ban on large electronic items on board flights from 10 airports in 8 North African countries to the United States was implemented on non-US airlines. Now the US government has come up with a new move to expand this ban to all countries. If it really...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1203,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 941.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Prohibited carry-on and checked baggage items on US flights\"\nQuery Dwell Time: 80.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1203\nTitle: \"Items that are strictly prohibited from being carried at US airports - Los Angeles Chinese Information Network\"\nSummary: \"Los Angeles International Airport, terminal information, flight information Los Angeles Chinese shuttle service, Los Angeles Chinese airport shuttle... If you are found carrying prohibited items, they will not only be confiscated and destroyed, but violators may be fined from 250 to thousands of dollars. For example, durian, mango,...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1204,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 21.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1204\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1205,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 21.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1205\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.05 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1206,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 21.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1206\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.78 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1207,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 19.72 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1207\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.85 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1208,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 19.72 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1208\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.37 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1209,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 12.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1209\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"How to quit smoking 2017-10-09 Lungs after quitting smoking 2017-10-09 Five steps to quit smoking 2017-10-09 Things to note after quitting smoking 2017-10-09 Symptoms after quitting smoking 2017-10-09 Physical changes after quitting smoking 2017-10-09 Tips to quit smoking 2017-10-09...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1210,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 82.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 12.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1210\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.83 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1211,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1211\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.09 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1212,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1212\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1213,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1213\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.24 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1214,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 163.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1214\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 15.8 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1215,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 112.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1215\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.34 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1216,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 112.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1216\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.56 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1217,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 112.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1217\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.98 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1218,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1218\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.97 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1219,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1219\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1220,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1220\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_null_Tencent Video\"\nSummary: \": The charm of fingertip control: a demonstration of how to use Google Glass\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.2 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1221,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 541.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 212.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1221\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.94 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1222,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 147.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1222\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1223,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 147.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1223\nTitle: \"iPhone 6 goes on sale in Hong Kong: _ NetEase News\"\nSummary: \"September 19, 2014 - Because I bought an iPhone 6 Plus, it was more difficult to make an appointment on the official website of Apple than on the iPhone 6. This die-hard \"Apple fan\" is a swimming coach in Hong Kong. He said: \"Since the second generation of iPhone, I have basically...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 66.37 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1224,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 147.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1224\nTitle: \"iPhone 6 in Hong Kong now: How much does it cost? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the iPhone 6 in Hong Kong now? iPhone 68410 views 1 person followed Follow Answer 6 answers Official website price: (HKD) 16G: 5588 64G: 6388 128G: 7188 But you may not be able to buy it through official channels...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 33.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1225,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 109.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1225\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.03 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1226,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 109.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1226\nTitle: \"The latest price of iPhone 6 in China: the price of iPhone 6 in China hits a new low_TechWeb\"\nSummary: \"July 31, 2017 - For now, iPhone 6 is still a product worth buying. Its performance, camera and smoothness are not outdated. So, how much does it cost to buy an iPhone 6? The answer is less than 2,500 yuan. ...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1227,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 109.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1227\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"iPhone 6 on sale at 4698 yuan [Xiamen] Apple 6 16G gold version priced at 4800 yuan Daily market: iPhone 6 on sale at 4799 yuan again iPhone 6 on sale at 300 yuan off, three colors at the same price of 4988 yuan Peak showdown: Samsung Note4\/iPhone6...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.69 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1228,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Will there be tariffs on iPhone 6s sold in Hong Kong?\"\nQuery Dwell Time: 87.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1228\nTitle: \"\u3010Shopping Guide\u3011 Let me tell you some tax avoidance strategies of mainland tourists in Hong Kong_Pacific Fashion Network\"\nSummary: \"A netizen said that he had just bought an iPhone in Hong Kong recently. \"I put the phone in my clothes pocket, hid the receipt in a book, and opened the manual, data cable, and charger. I passed safely.\" \"I bought the iPad with my child, and put the iPad in the...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1229,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1229\nTitle: \"Do Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1230,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1230\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators - Communication Terminals\\Industry News\\News \u2014 ...\"\nSummary: \"September 10, 2014 - Apple iPhone 6 supports 4G networks of the three major domestic operators. In the early morning of September 10, Beijing time, Apple held a press conference at the Flint Center in Cupertino, California, USA.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1231,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1231\nTitle: \"I beg you to tell me whether the iPhone 6\/plus ordered from the Hong Kong official website supports China Mobile\/China Unicom\/China Telecom 4G...\"\nSummary: \"I beg you to answer, does the iPhone 6 or 6 Plus ordered from the Hong Kong official website support China Mobile\/China Unicom\/China Telecom 4G? Or does it only support China Unicom\/China Mobile? I am very confused about whether to order it or not. I am afraid it will not support it after I order it. Thank you! ... ...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1232,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 596.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 in Hong Kong support mainland operators?\"\nQuery Dwell Time: 119.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1232\nTitle: \"Is it cheaper to buy an iPhone in Hong Kong than in the mainland? Is it cheaper to buy an iPhone 6 in Hong Kong than in the mainland?\"\nSummary: \"Can the iPhone bought in Hong Kong be used in mainland China? Yes, it can be used in mainland China. Since there is no operator operating CDMA network in Hong Kong, the Hong Kong version of the phone purchased cannot support telecom SIM cards. What is the difference between buying an iPhone 6 in Hong Kong and buying it in mainland China? Hong Kong version...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 31.01 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1233,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 251.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 202.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1233\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 86.93 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1234,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 251.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 202.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1234\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.07 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1235,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 251.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 202.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1235\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.88 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1236,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 293.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1236\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.76 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1237,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 293.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1237\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 207.69 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1238,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 120.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1238\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 90.51 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1239,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 73.11 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1239\nTitle: \"Model of Liaoning aircraft carrier battle group unveiled at weapons exhibition, equipped with cutting-edge weapons_News_Nanhai.com\"\nSummary: \"September 30, 2012 - Some of the weapons and equipment have reached the world's advanced level. At this weapons exhibition, the organizer exhibited a full set of high-simulation models of my country's first aircraft carrier formation, the \"Liaoning\" aircraft carrier formation. The organizer said that its composition is similar to that of my country's...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.22 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1240,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 73.11 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1240\nTitle: \"Air Show Focus: New Air Defense Missile Equipment \"Liaoning\" - Science and Technology Channel - Hexun.com\"\nSummary: \"November 13, 2012 - The FL-3000N air defense missile system equipped on my country's \"Liaoning\" aircraft carrier was also exhibited at the air show. This type of missile was developed by China Aerospace Science and Industry Corporation and is my country's latest ship self-defense missile system. The system has...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1241,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 73.11 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1241\nTitle: \"China Japan is shocked: the Chinese military has hidden so many advanced weapons. Liaoning scares Japan, the US...\"\nSummary: \"The Chinese military has hidden so many advanced weapons. The Liaoning frightened Japan, and the United States urgently sent additional aircraft carriers to help. The US Congress... List several cases where the United States misjudged China's progress in independent weapons research and development. Foreseeing that China's military industry will produce modern weapons and equipment...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1242,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 67.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1242\nTitle: \"On September 25, 2012, the \"Liaoning\" aircraft carrier was officially delivered and put into use. The aircraft carrier is...\"\nSummary: \"On September 25, 2012, the \"Liaoning\" aircraft carrier was officially delivered for use. The aircraft carrier is 304 meters long, 70.5 meters wide, has a maximum speed of 32 knots, a standard displacement of 57,000 tons, a full load displacement of 67,500 tons, and is driven by four steam turbine engines. The total...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1243,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 67.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1243\nTitle: \"How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is already smoking at 12 knots_Short video...\"\nSummary: \"Short video How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is running at 12 knots but it is already smoking. Watch online in high definition. Short video related videos This minute of Nick Cheung's movie is more inspiring than reading a chicken soup book. If you are heartbroken, you may want to watch it. Father's love for his daughter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.54 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1244,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 67.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1244\nTitle: \"What is the speed of an aircraft carrier?\"\nSummary: \"At 14:00 on the 26th, the Liaoning aircraft carrier passed through the southeastern waters of Dongsha Island and continued to sail southwest to perform cross-sea training tasks. As shown in the figure, during these 5 hours, the Liaoning aircraft carrier battle group maintained a high speed of 30 knots, indicating that the Liaoning's power performance is quite good...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1245,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 120.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1245\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - The most interesting thing is that a Chinese student studying in the Soviet Union also participated in the hardware development of this aircraft carrier. So today we choose to use this obsolete aircraft carrier as a starting point for a certain purpose and strategic significance. Even...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1246,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 120.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1246\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.76 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1247,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning and other aircraft carriers\"\nQuery Dwell Time: 79.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1247\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1248,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning and other aircraft carriers\"\nQuery Dwell Time: 79.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1248\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1249,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning: Comparison with other aircraft carriers\"\nQuery Dwell Time: 114.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1249\nTitle: \"Comparison of Liaoning and other aircraft carriers in China.doc_WeiPan Download\"\nSummary: \"Chinese version of the foreign publication Liaoning and other countries' aircraft carrier comparison.doc Size: 1.27M Downloads: 9 Category: Education\/Learning Save to Wedisk~ Download to local @2017 Wedisk Follow\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1250,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1052.21 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning: Comparison with other aircraft carriers\"\nQuery Dwell Time: 114.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1250\nTitle: \"Comparison of main aircraft carriers in various countries around the world - Navy version - Super Base Military Forum - The most influential military...\"\nSummary: \"You need to download or view, no account? Join the super large military x aircraft carrier comparison related posts The most influential military... Comparison chart of the main aircraft carriers of various countries in the world, comparison chart of the main aircraft carriers of various countries in the world-Navy version-\u2261 Super Military Zone \u2261-Super Base Camp Military...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1251,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 262.61 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 120.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1251\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.83 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1252,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 262.61 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 120.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1252\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 60.37 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1253,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 181.25 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1253\nTitle: \"Must-visit resorts for tourism around Beijing_Price quote\/cost for tour groups to Beijing\"\nSummary: \"In addition to visiting some famous attractions in Beijing, some people also like to go to resorts. What are the must-visit resorts in Beijing? Next, the editor will take stock of the must-visit resorts in Beijing. 1. Dream City...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 25.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1254,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 181.25 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1254\nTitle: \"Tour itinerary - price and cost of tour from Beijing to nearby areas - how much does it cost to tour nearby areas_Shenzhou International Travel\"\nSummary: \"How much does it cost to travel around Beijing, including quotes for local tours, precautions for local tours, visa application for local tours, etc. For inquiries, please call 400-662-9566 or 400-662-9766. You are welcome to call for inquiries.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 117.99 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1255,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"One week tour around Beijing\"\nQuery Dwell Time: 85.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1255\nTitle: \"Beijing surrounding tours_Beijing surrounding self-driving tour guide_Beijing surrounding one-day tours_Beijing surrounding tourism_Beijing...\"\nSummary: \"A complete guide to self-driving tours around Beijing, collecting the most interesting tourist attractions around Beijing, whether it is a one-day or two-day tour, a leisure farm stay, or a tourist attraction, as long as it is relevant information about tours around Beijing, it is all here.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1256,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"One week tour around Beijing\"\nQuery Dwell Time: 85.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1256\nTitle: \"Beigong National Forest Park: The best place to go is here, stay at home for a week... Beijing surrounding tour -...\"\nSummary: \"I'm looking for: Love and freedom. There's no better place than here. After staying in a heated room for a week, I couldn't breathe well. When I came to the forest park, I could breathe well, feel relaxed, and open-minded. Nature is great...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1257,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"One week tour around Beijing\"\nQuery Dwell Time: 85.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1257\nTitle: \"Beijing Zoo: When I was in kindergarten, I was said to go there once a week. ... Beijing Tours - Popular...\"\nSummary: \"Sitting on the bank and watching the waves When I was in kindergarten, I went there once a week. When I was dating, surprisingly many of my classmates went there. But I never understood why. It is really a place where I grew up. Other parks are not as attractive to me as this one. This should be...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.82 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1258,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Convenient travel around Beijing\"\nQuery Dwell Time: 125.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1258\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Tourist attractions around Beijing - Wei County There are not many fun places around Beijing, so the sphere of influence is in Hebei. If you don't want to go far, you might as well go to this place. First of all, it is pure humanities. You are in this small silent county. In this small silent...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 92.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1259,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Taoshan Lake in Beijing\"\nQuery Dwell Time: 126.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1259\nTitle: \"Download the latest Taoshan Lake travel guide for 2017 - Taoshan Lake self-guided tour guide in Bashang Grassland | Yododo ...\"\nSummary: \"What is there to do in Taoshan Lake? The latest travel guide to Taoshan Lake in Bashang Grassland and the complete self-guided tour routes. Before you plan to travel to Taoshan Lake, you can take a look at the guide to Taoshan Lake and follow the footsteps of the pioneers! The latest self-driving guide around Beijing in 2014...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.07 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1260,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 603.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Taoshan Lake in Beijing\"\nQuery Dwell Time: 126.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1260\nTitle: \"Taoshan Lake_Bashang Grassland Taoshan Lake Nearby Accommodation_Price_Recommendation_Booking_Youduoduo B&B Booking Official...\"\nSummary: \"Taoshan Lake Datan Town, Fengning Manchu Autonomous County, Chengde City, Hebei Province The boss is very enthusiastic. The environment is very good and the room is very clean. It feels like home. The roasted lamb leg is very delicious, but the specialty is the roasted whole lamb. Mulan Paddock, Chengde City, Hebei Province...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 36.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1261,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 102.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1261\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"After buying a fixed-gear bicycle from this store, you can also meet many interesting fixed-gear friends. In addition, I know there is a fixed-gear store near the west gate of Tsinghua University... Home Discover Topics Login Join Zhihu Beijing bicycle fixed-gear bicycle 50 Views 7954 Check...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.44 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1262,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 102.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1262\nTitle: \"[Buy a fixed gear bike and get a free 50 yuan cycling bag. ] - Contact information - Beijing Ganji.com\"\nSummary: \"Buy a fixed gear bike and get a free 50 yuan cycling bag. No star rating yet Updated: 1 week ago Service features: Free cycling gift bag Service provided: Address: Beijing-Haidian-Qinghe Serving all of Beijing Contact number: 18610168744 (Location:...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1263,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 102.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1263\nTitle: \"I just bought a fixed gear bike a week ago, and I'm selling it because I want to change to a mountain bike. Urgent - Bicycles around Shanwei...\"\nSummary: \"I just bought a fixed gear bike a week ago, and I'm selling it because I need to change to a mountain bike. Urgent, contact number: 18998952265, can accept small knives, not big knives. brIf you are interested, please take a look. It's best to QQ me. brIf you are interested, I will give you a car lock and 3 types of car lights, which are very exciting at night. brSupport...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1264,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed gear bicycle price near Tsinghua University\"\nQuery Dwell Time: 56.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1264\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.05 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1265,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 277.5 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 68.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1265\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1266,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International airlines carry-on baggage restrictions\"\nQuery Dwell Time: 847.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1266\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1267,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International airlines carry-on baggage restrictions\"\nQuery Dwell Time: 847.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1267\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"Size and weight limits for checked baggage On weight-based routes, the maximum weight of each piece of checked baggage for passengers on international or regional flights shall not exceed 32 kg; for passengers on international or regional and domestic combined flights, the maximum weight of each piece of checked baggage shall not exceed 32 kg.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 725.68 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1268,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International airlines cannot check in items\"\nQuery Dwell Time: 59.95 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1268\nTitle: \"What prohibited items cannot be checked in on international flights? - Qyer Q&A\"\nSummary: \"Shanghai to Osaka, Japan, All Nippon Airways. 1. What can't be checked in? (Can I ask if styling spray can be checked in?) 2. What can't be brought as carry-on? Thank you!!\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.84 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1269,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1338.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights to the United States cannot be checked in\"\nQuery Dwell Time: 240.01 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1269\nTitle: \"What luggage can be checked in with American Airlines - Los Angeles Chinese Information Network\"\nSummary: \"As the international crude oil prices continue to soar, the operating costs of major US airlines are also increasing. In order to ease the pressure, the largest US airline, American Airlines, decided to...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 182.75 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1270,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 49.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1270\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.31 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1271,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 49.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1271\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.02 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1272,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 69.54 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1272\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.98 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1273,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 69.54 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1273\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1274,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 185.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 39.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1274\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"Effective ways to quit smoking 3. Firmly refuse the temptation of cigarettes and remind yourself frequently that smoking one more cigarette is enough to ruin your plan to quit smoking. Avoid participating in places or activities where people usually smoke. Effective ways to quit smoking 4. Drink water, eat fruit or...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1275,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 76.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1275\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.66 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1276,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 76.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1276\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.88 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1277,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 61.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1277\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.87 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1278,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 61.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1278\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1279,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 40.09 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1279\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.31 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1280,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price comparison between China and Hong Kong\"\nQuery Dwell Time: 89.59 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1280\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.68 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1281,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1281\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.56 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1282,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1282\nTitle: \"How much tariff does iPhone 6 have to pay? - Chicago Chinese Information Network\"\nSummary: \"Well, my friend in China asked me to help buy an iPhone 6 Plus. It is said that the specialty stores are out of stock. Can I... Accountant, CPA If I send an iPhone 6 back to China and it is taxed by the customs, how much is the tariff? ChicagoChinaRen....\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.36 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1283,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1283\nTitle: \"Do I need to pay customs duties when delivering Taiwan iPhone 6 to mainland China? - TigerEasy\"\nSummary: \"Keywords: Is there any need to collect customs duties when the Taiwan version iPhone6 \u200b\u200bis delivered to the mainland? Are you looking for: More\u2228 Huyi.com > Supply Opportunities > > > Is there any need to collect customs duties when the Taiwan version iPhone6 \u200b\u200bis delivered to the mainland? A total of 1586325 items Hello, welcome to Huyi.com! I...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1284,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1284\nTitle: \"Beijing Customs: Do I have to pay customs duties for my iPhone 6 for personal use? [197478]_Guide to customs clearance for customs broker exams -...\"\nSummary: \"Question number: [197478] Question title: Hello, do I need to pay customs duties for my iPhone 6 for personal use? Question content: Hello, I bought an iPhone 6 abroad for personal use. After returning to China for a month's vacation, I brought it back abroad. Do I need to pay a 10% customs duty? ...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1285,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need customs duties?\"\nQuery Dwell Time: 117.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1285\nTitle: \"Carrying or mailing iPhone 6 abroad will cost at least 400 yuan in customs duty - China - Hanwang_Wuhan News_...\"\nSummary: \"January 23, 2015 - The customs duty for bringing an iPhone 6 is 400 to 600 yuan. Yesterday, the reporter consulted the 12360 customs service hotline about this issue. The relevant staff said that within the reasonable range of personal use, that is, bringing it back for personal use or...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1286,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy Hong Kong version iPhone 6\"\nQuery Dwell Time: 39.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1286\nTitle: \"How can I buy the Hong Kong version of IPHONE6 - Transaction\/Card Number - 16fan\"\nSummary: \"[Comprehensive] I want to ask how to buy the Hong Kong version of IPHONE6. I am going to Hong Kong in mid-December. I heard that I6 cannot be bought on site. I need to make an appointment. What is the appointment process? I want to ask how to buy the Hong Kong version of IPHONE6, 16th\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.09 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1287,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy Hong Kong version iPhone 6 in Hong Kong\"\nQuery Dwell Time: 67.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1287\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The lowest price of Hong Kong iPhone 6 is HK$5,588 (about RMB 4,400), which is the same as the previous generation iPhone... Currently, there are only two ways to buy in Hong Kong: The first is to buy online from Apple's Hong Kong official website. From 15:00 on the 12th...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1288,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 433.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 37.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1288\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1289,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1289\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1290,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1290\nTitle: \"How to get to Tsinghua University Swimming Pool by car?\"\nSummary: \"Post number: 3 Page: Share to: Article topic: How to drive to Tsinghua University Swimming Pool? Jason Identity User Article Zodiac Pisces Points Level Nanmu (12) Sender: jason04 (jason), Message area: Swimming From...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.36 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1291,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1291\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.05 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1292,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1292\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1293,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 105.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1293\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"231 reviews Star rating comes from comprehensive industry evaluation Per capita: - Water quality: 9.1 Environment: 9.0 Value for money: 9.0 Address: Phone: No Add more information Alias: Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1294,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1294\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"The swimming pool in the school has very good water quality. The price is cheap on campus. But the time is a bit short. And it is divided into sessions, not always open. Per person \uffe525 | Water quality 4 (very good) Environment 4 (very good) Value for money 4 (very good) Visited this spot twice, the third time...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.77 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1295,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1295\nTitle: \"Correction statement: Explanation of the charging standards for outdoor sports venues on campus - Tsinghua University Student Union Log,...\"\nSummary: \"Tsinghua University's on-campus sports venue charging principles: 1. The charging standards set by the Sports Department are approved by the on-campus charging standards review committee. Although a slight price adjustment was made in 2011, the overall charging situation remains unchanged and basically follows the past...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1296,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1296\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1297,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1297\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The on-campus staff are very cheap, and the off-campus staff are...\"\nSummary: \"1234 big brother's comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool): The on-campus ones are very cheap, while the off-campus ones are a bit expensive, but the price is still relatively affordable. There are many people in the summer, but the water is relatively clean. It is cheaper to apply for a three-month card...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1298,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool On-campus Price\"\nQuery Dwell Time: 164.08 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1298\nTitle: \"Tsinghua University West Lake Swimming Pool: \"The open-air swimming pool on campus is closer to the west gate of Tsinghua University. ...\"\nSummary: \"Backstroke Fish's comments on Tsinghua University West Lake Swimming Pool: The outdoor swimming pool on campus is closer to the west gate of Tsinghua University. The price is cheaper than the indoor swimming pool. There are many people in the summer, and swimming in it is a bit sunburned, but it has a unique flavor\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1299,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card\"\nQuery Dwell Time: 105.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1299\nTitle: \"[Tsinghua University Swimming Card | Tsinghua University Swimming Card Transfer Information] - Beijing 58.com\"\nSummary: \"Transfer swimming card 1500 yuan Hepingli Today Tsinghua University swimming card introduction: Tsinghua University swimming card channel provides you with Tsinghua University swimming card query, Tsinghua University swimming card transfer information for you to choose, you can view and publish Tsinghua University swimming card for free...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.82 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1300,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 557.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card\"\nQuery Dwell Time: 105.82 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1300\nTitle: \"Transfer Tsinghua University Swimming Card_Huilongguan Online Trading Market_Huilongguan Community Network\"\nSummary: \"There are 13 swimming passes left, each lasting three hours. Tsinghua's current price is 16.7 yuan per session. We are offering half price to swimming enthusiasts. We hope to get to know you and learn from you. In my opinion, Tsinghua University Swimming Pool is the best swimming pool in Haidian District...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.11 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1301,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 183.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1301\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 154.24 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1302,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 82.38 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1302\nTitle: \"What are some of the most powerful scams in history? (The predecessor of China's first aircraft carrier \"Liaoning\")\"\nSummary: \"The chess game is so big that it is amazing. It is not comparable to those commercial conspiracies and scams. The birth of the aircraft carrier Liaoning. It is well known that in order to strengthen its sea control, contemporary China has always needed the support of aircraft carriers. But on the one hand, the country...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.44 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1303,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1303\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 991.88 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1304,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1304\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1305,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1305\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 379.71 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1306,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 1530.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1306\nTitle: \"Icebreaker games collection - simple and fun icebreaker games - icebreaker games to get to know each other - Seven Dimensions Excellence Development\"\nSummary: \"Seven Dimensions Outward Bound Training China Outward Bound Training Association - The only executive director unit in Shenzhen Consulting phone: 0755-88864399 Home > Ice-breaking Games\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.88 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1307,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1307\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1308,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1308\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 132.93 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1309,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1309\nTitle: \"Ice-breaking game for new employee training\"\nSummary: \"Just like breaking the thick ice in winter. Ice-breaking games help people relax and become willing to communicate and learn from each other. Here in the game hall, we have prepared training games for new employees to get to know each other and familiarize themselves with the company. Ice-breaking games are a popular way for many trainers...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 85.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1310,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1310\nTitle: \"Mysterious character in ice-breaking game for new employees during training_Training games_Interactive games\"\nSummary: \"The main purpose of the Mysterious Person game is to encourage new joiners or old and new employees to get to know each other and integrate quickly. Applicable people: new employee training or new and old employee gatherings Game location: classroom, conference room, etc. Game...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1311,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 2512.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker Games for New Employees\"\nQuery Dwell Time: 631.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1311\nTitle: \"Ice-breaking game for new employee training_Chengzhi Development\"\nSummary: \"What kind of development projects are suitable for the company's new employee development? Where is the best place for a family trip during the summer vacation: Xinjiang What creative invitations are there for new product launches of big-name companies? The latest annual meeting game collection to make the annual meeting more exciting What issues need to be paid attention to in the press conference? Development training guide...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1312,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1312\nTitle: \"Beijing Surrounding Tour: Great Beauty Season 5 - Record of the Fifth Season Longshui Fenggang Ecological Camping Farm One-Day Tour - ...\"\nSummary: \"In May 2014, I had more than two months left before graduation. I had already finished my graduation thesis and was just waiting for my diploma. During this free time, I decided to travel around Beijing alone and do a small survey on agricultural leisure travel around Beijing. I also took this opportunity to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.22 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1313,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1313\nTitle: \"Ask for advice on outdoor nature tours around Beijing - Beijing Travel Q&A | Yododo\"\nSummary: \"4-5 days is not enough for the scenic spots around Beijing. It is better to focus on one place and talk about the others later. #4 Yuyan (Zhouyouniao) said: You can go to Shidu. You can also bungee jump there. There are long-distance buses directly to Simatai. It is great to drive there~ You can also go to the hot...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 112.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1314,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1314\nTitle: \"Beijing Surroundings, Beijing Surroundings, Beijing Surroundings Tours - eLong Travel Guide (Page 290)\"\nSummary: \"Ginkgo Forest Ginkgo is a deciduous tree that blooms in May and matures in October. Usually in November every year, the Ginkgo Forest welcomes the most beautiful... Appreciate chrysanthemums, taste crabs, pick fruits and vegetables. When it comes to the surrounding areas of Beijing, I don't want to mention Huairou and Miyun, which are the suburbs of Beijing and suitable for...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 30.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1315,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1315\nTitle: \"At the end of May and the beginning of June, four of us went on a one-week trip from Huangshan to Beijing. Can anyone give us a good travel guide?\"\nSummary: \"Mafengwo Q&A > In late May and early June, four people traveled from Huangshan to Beijing for a week. Can anyone give me a good travel guide? What is the most economical and affordable round-trip transportation? 1267 views 0 people followed Follow Answer 2 answers The air tickets are still quite...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1316,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings: One-week Tour in May\"\nQuery Dwell Time: 353.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1316\nTitle: \"At the end of May and the beginning of June, four of us went on a one-week trip from Huangshan to Beijing. Can anyone give us a good travel guide?\"\nSummary: \"Mafengwo Q&A > In late May and early June, four people traveled from Huangshan to Beijing for a week. Can anyone give me a good travel guide? What is the most economical and affordable round-trip transportation? 1267 views 0 people followed Follow Answer 2 answers The air tickets are still quite...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.69 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1317,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Weekly Travel Guide in May\"\nQuery Dwell Time: 60.69 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1317\nTitle: \"Recommended tours in May: Shidu, Yesanpo, Bailixia, Baicaopan two-day bus tour_...\"\nSummary: \"Baiyangdian Travel Guide - Anti-fraud and Anti-scam First-hand Original Guide Beijing-Hohhot \u00a5399 Beijing-Shanghai \u00a5420 Beijing-Chongqing \u00a5594 Beijing-Shenzhen \u00a5610 Beijing-Hong Kong \u00a5676 Beijing-Zhengzhou \u00a5844 Beijing-Yanji \u00a5872 Beijing-Xiamen...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1318,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1318\nTitle: \"Shidu Tourism | Yesanpo Tourism Network - Beijing Shidu Tourism, Hebei Yesanpo Tourism, Yesanpo Baili...\"\nSummary: \"Shidu-Yesanpo Tourism Network comprehensively introduces Beijing Shidu Scenic Area, Fangshan Shidu World Geopark, Hebei Yesanpo Tourist Scenic Area, Laishui Yesanpo Bailixia World Geopark, local tourism official website, and for netizens on this site, scenic spot tickets 8...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1319,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1319\nTitle: \"[Shidu to Yesanpo train_Shidu to Yesanpo train ticket inquiry] - Tieyou12306\"\nSummary: \"Tieyou12306 provides Shidu to Yesanpo train ticket inquiry, Shidu to Yesanpo train ticket inquiry, Shidu to Yesanpo train ticket inquiry, Shidu to Yesanpo high-speed rail ticket inquiry, departure and destination stations, fares, timetables, train numbers and other search results services as well as...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.31 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1320,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1320\nTitle: \"I'm back, Shidu-Yesanpo Guide_I'm back, two days of itinerary, very enjoyable_...\"\nSummary: \"I'm back, Shidu-Yesanpo Guide I'm back, two days of itinerary, very enjoyable. Our itinerary is as follows: first day in the morning to play Shidu, afternoon Yesanpo rafting, evening dinner...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.44 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1321,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 582.58 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shidu Yesanpo\"\nQuery Dwell Time: 83.45 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1321\nTitle: \"Which is better, Shidu or Yesanpo? Comparison between Shidu and Yesanpo - Mafengwo\"\nSummary: \"Mafengwo Q&A >Which one is better, Shidu or Yesanpo? Which one is better, Shidu or Yesanpo? I don't know where to go, which one is better, please recommend 9770 views 0 people follow Follow Answer 1 answer I personally...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1322,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1322\nTitle: \"Tianjin Fixed Gear Store\"\nSummary: \"http:\/\/chaoqi-bike.taobao.com QQ:863866110 Specializes in various body stickers, fixed gear spoke cards, massive... Tsinghua University (26) 3 3. Fudan University (237) 3 4. Shanghai Jiaotong University (10) 9 5. Sun Yat-sen University (33) ... Whenever people walk on the road that Premier Zhou walked,... Now there are imitation Xinyang Maojian in Luoshan, Yingshan and other places near Xinyang. The main transportation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1323,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1323\nTitle: \"[Second-hand ordinary bicycle transfer_New ordinary bicycle transfer information] - ...\"\nSummary: \"Tsinghua University Ordinary Bicycle \/ Others \/ December 16 2 pictures 158 yuan Phoenix men's 26-inch bicycle with aluminum alloy rims, easy to ride Haidian - Tsinghua University - No. 3, Zhongguancun North Second Street Ordinary Bicycle \/ Phoenix \/ December 16 5 pictures 150 yuan bicycle for sale...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1324,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1324\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Second-hand bicycles 6722 people gathered in this group Join the group Latest topics (more) A permanent bicycle without a frame. Easy to ride, strong. (Delicious sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike,...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1325,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 89.99 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1325\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"tnjmjohmjmz Dear netizens, where are the physical stores selling bicycles near Tsinghua University, Peking University, Beijing University of Science and Technology, and Physical Education University? Please report any political\/pornographic violations. tnjmjohmjmz 09-24 10:30:39 Thank you ls Zbohnbo Tsinghua West Gate to the north, beautiful...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1326,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 93.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1326\nTitle: \"Brand new fixed gear for sale University Town Kowloon Bicycle - Wuhu Bicycle\"\nSummary: \"Information number: 83c650742d41d0c7 Information category Vehicle service Motorcycle Electric bicycle Price 1 yuan Source Personal New and old Brand new Contact: Mobile phone: Address: Wuhu - Yijiang Wuhu aiSF Bicycle Club Love life Love death fly University Town Death...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.81 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1327,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 93.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1327\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 13\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.77 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1328,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 93.25 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1328\nTitle: \"No. 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, on the east side of the road, the address of Shunrufeng Bicycle - Beijing...\"\nSummary: \"The address of Beijing Shunrufeng Bicycle is: 30 Shuangqing Road, 200 meters north of the west gate of Tsinghua University, east of the road. The phone number of Shunrufeng Bicycle is: No phone number available. Introduction of Shunrufeng Bicycle: The introduction of Shunrufeng Bicycle is not complete at present. Please help me...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1329,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store Tsinghua\"\nQuery Dwell Time: 45.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1329\nTitle: \"Fixed Gear Bicycles [Brands, Pictures, and Photos] Fixed Gear Bicycle Prices, Fixed Gear Bicycle Stores Expensive...\"\nSummary: \"Juqi.com is a fixed gear bicycle store, a manufacturer direct selling genuine fixed gear bicycle brands, providing the latest fixed gear bicycle price pictures, fixed gear bicycle pictures and fixed gear bicycle quotation information for reference. Buy fixed gear bicycles online at Juqi.com, no questions asked within seven days...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1330,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Store Tsinghua\"\nQuery Dwell Time: 45.16 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1330\nTitle: \"Fixed Gear Bike Store | How much does a fixed gear bike cost in a physical store_Tianjin E Network\"\nSummary: \"Introduction: How much does a fixed gear bike cost in a physical store? Where is the fixed gear bike store in Nanjing? Where can I buy a fixed gear bike? Where is the fixed gear bike store in Guangzhou? How much does a fixed gear bike usually cost in a physical store? About \"Fixed Gear Bicycle...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.37 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1331,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1331\nTitle: \"Phoenix Bicycle (Tsinghua University Store), Beijing Phoenix Bicycle (Tsinghua University Store) phone number_...\"\nSummary: \"Phoenix Bicycle Store (Tsinghua West Gate Store) Phoenix Bicycle (Tsinghua University Store) Phoenix Bicycle (Tonghui North Road) Phoenix Bicycle Beijing Maintenance and Service Department Phoenix Bicycle Direct Sales Store Phoenix Bicycle Beijing Maintenance and Service Department...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.45 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1332,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1332\nTitle: \"[Tsinghua Electric Vehicle Store] Tsinghua Electric Vehicle Store Phone Number, Tsinghua Electric Vehicle Store Address_Picture Bar...\"\nSummary: \"The phone number of Tsinghua Electric Vehicle Store is , and the address of Tsinghua Electric Vehicle Store is near Zhishan Street. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua Electric Vehicle Store.\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1333,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1333\nTitle: \"[Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store] Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store...\"\nSummary: \"The phone number of Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store is, and the address of Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store is near North Chang'an Street. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua\u00b7Xianglong Electric Vehicle Chang'an Road Store. ...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.62 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1334,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Bicycle Store Tsinghua\"\nQuery Dwell Time: 62.17 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1334\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"Add interior view Apply for new landmark Phone: 13693077221 Address: 200 meters north of the west gate of Tsinghua University [Report address and phone error] View large map: Merida Bicycle Tsinghua West Gate Hotel Inquiry Air Ticket Inquiry Attraction Tickets Travel Route Movie...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1335,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 459.01 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed-plane in Tsinghua\"\nQuery Dwell Time: 41.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1335\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1336,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1336\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 85.98 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1337,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1337\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.83 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1338,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1338\nTitle: \"Luggage allowance regulations for China Eastern Airlines international flights\"\nSummary: \"Tags: China Eastern Airlines flight luggage, common sense China Eastern Airlines flight carry-on luggage is as follows: Each passenger's carry-on non-checked luggage generally cannot weigh more than 5 kg, and the volume of each piece cannot exceed 20X40X55 cm, and must be able to fit in the luggage rack or...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.63 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1339,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 237.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1339\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"[Number of checked luggage] Requirements for the number, weight, and size of checked and carry-on luggage on general international flights. International flights do not limit the number of checked luggage, but limit the weight. What are the regulations for the number and weight of carry-on and checked luggage on flights from Jeju to Wuhan?\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1340,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and size restrictions\"\nQuery Dwell Time: 123.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1340\nTitle: \"AA American Airlines International Flight Hand Luggage Weight Limit - Travel Q&A\"\nSummary: \"I checked the weight limit of carry-on luggage on AA American Airlines international flights online. Some people said that there is no limit on carry-on luggage, only size limit. Some people said that the limit is 7 kg. Anyone who has flown on American Airlines can share their experience. Thank you. Of course there are regulations, usually 10...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.57 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1341,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 415.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and size restrictions\"\nQuery Dwell Time: 123.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1341\nTitle: \"Detailed answers to the luggage weight regulations for flights to the United States - New Oriental Network\"\nSummary: \"July 9, 2014 - Many students who go to the United States to study don't know much about this. The following is an introduction to the regulations on the weight of luggage for flights to the United States. Restrictions on carry-on luggage \u2474. Taking domestic flights: The total weight of the passenger's hand luggage should not exceed...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1342,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1342\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.34 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1343,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1343\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.81 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1344,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1344\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1345,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1345\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.51 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1346,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1346\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.26 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1347,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 137.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1347\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.31 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1348,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1348\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.74 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1349,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1349\nTitle: \"Quit smoking_The harm of smoking_The best way to quit smoking_E-cigarette brand|18 bends to quit smoking\"\nSummary: \"18 Tips for Quitting Smoking helps you understand the dangers of smoking, nicotine, e-cigarettes, cigarettes and other tobacco products, explains how to quit smoking and the symptoms after quitting smoking, and provides the latest and best methods and products for quitting smoking at home and abroad.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.17 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1350,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1350\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.37 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1351,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1351\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1352,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 166.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1352\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.72 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1353,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1353\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.08 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1354,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1354\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"For men who are addicted to smoking, quitting smoking has always been a slogan they often shout. But the fact is that after quitting for a few days, they start smoking again when they encounter the right place or occasion. This goes on and on, and quitting smoking is just a...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1355,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1355\nTitle: \"The most effective way to quit smoking\"\nSummary: \"Take enough rest and have a regular life when quitting smoking; 4. Take a walk outside after meals and take deep breaths for 15 minutes; 5. Do not drink stimulating beverages, drink milk, juice and cereal drinks instead; 6. Try to avoid eating poultry and fried foods; 7. Eat more vitamin B...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.26 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1356,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1356\nTitle: \"The most effective way to quit smoking is to rely on \"willpower\" - E-cigarette Encyclopedia\"\nSummary: \"The most effective way to quit smoking is to rely on \"willpower\": smokers' addiction to smoking is mainly the result of long-term effects of nicotine. Nicotine is like other anesthetics. It is not suitable for the first time to smoke, and it will cause chest tightness, nausea, dizziness and other discomforts, but if...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1357,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1357\nTitle: \"What are the effective ways to quit smoking?\"\nSummary: \"People say smoking is bad and increases the chance of getting lung cancer, so why do we still see some centenarians smoking like crazy? Answer: 1. It is not easy to quit smoking by willpower, but it will be more difficult. After quitting smoking, there will be some withdrawal syndrome, especially mental...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1358,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 492.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 108.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1358\nTitle: \"The most effective way to quit smoking in the world - Article\"\nSummary: \"The method of quitting smoking is very important for people who want to quit smoking. Choosing the right and effective method of quitting smoking is more conducive to the success of quitting smoking. Let's take a look at the following methods of quitting smoking. Distracting attention method: When you can't resist the urge to smoke, you can take a hot bath; or...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.48 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1359,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1359\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.71 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1360,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1360\nTitle: \"The embarrassment of Google Glass: Can enter the country but can't leave home? _Viewpoint_PConline...\"\nSummary: \"May 17, 2013 - Google Glass is one of the most controversial products of Google in recent years. Before the development version was shipped, people were curious and hoped to get this magical pair of glasses. But when the glasses were officially shipped...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 57.89 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1361,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1361\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.26 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1362,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 176.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1362\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.75 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1363,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1363\nTitle: \"What are the functions of Google Glass?\"\nSummary: \"Google Glass is no stranger to everyone. This pair of glasses is as powerful as a smartphone. Shaohuang.com provides netizens with an introduction to the specific functions of Google Glass. 1. Hangout: Users can not only log in through Google Glass...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1364,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1364\nTitle: \"\u3010Google Glass\u3011What are the characteristics and functions of Google Glass? \u2014 Ask Knowledge\"\nSummary: \"\u3010Google Glass\u3011What are the features and functions of Google Glass? Most headlines reporting on the new wearable prototype of Chinese Internet search giant Baidu compare it to Google Glass.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.01 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1365,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1365\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.15 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1366,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the functions of Google Glass?\"\nQuery Dwell Time: 100.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1366\nTitle: \"What are the functions of Google Glass - CSDN Blog\"\nSummary: \"From GPS navigation, intelligent language search, video conferencing to Gmail email, calendar, Googleplus and photo sharing, many functions are integrated into the Google Glass application. When you need them, they are turned on; when you don't need them...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1367,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 130.53 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1367\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"2 How to use Google Glass Suggestions: Search online for Google Glass tutorials. Here are 3 ways: 1.... Setting up Google Glass is very simple. First, you need to install the MyGlass app on your Android phone, then...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 79.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1368,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 130.53 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1368\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"The Google Cobra package comes with a charging base. Plug the cable you plugged into the mouse into the back of the base, confirm that Google... and press the button on the front of the base at the same time to synchronize, so that your Google Glass can be used wirelessly. Attachment:...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.84 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1369,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 130.53 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1369\nTitle: \"Google Glass user experience: too flashy, limited use cases - Sohu News\"\nSummary: \"May 6, 2014 - Allows users to use Google Glass to view text message notifications on their iPhones. Some other features of Google Glass also... The original intention of the design of Google Glass was to allow people to use their phones in some situations where it is inconvenient to use a mobile phone without having to be sneaky...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1370,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 57.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1370\nTitle: \"Google Glass will be available in limited quantities in the US next week, and can be purchased by anyone over 18 years old - Niuhua.com\"\nSummary: \"April 11, 2014 - Last year, Google issued a limited invitation to purchase Google Glass. Starting in December, some Google Play Music All Access subscribers can purchase Google Glass. This week, Google launched the \"Glass at Work\"...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1371,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 57.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1371\nTitle: \"Google to test online shopping for \"Google Glass\" - limited purchases for one day only_News Center_China.com\"\nSummary: \"Google Inc. of the United States announced on the 10th that it will accept limited online orders for \"Google Glass\" on the 15th. This is the largest expansion of the trial scope of \"Google Glass\" to the public, and it is also another recent move by Google to promote this wearable device...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1372,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 546.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Purchase\"\nQuery Dwell Time: 57.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1372\nTitle: \"Google Glass is now available for purchase. Who should buy it at the sky-high price of $1,500?\"\nSummary: \"April 15, 2014 - On April 15, local time in the United States (April 16, Beijing time), Google will open the purchase of Google Glass to the general public for one day. The price of the Google Glass available for purchase this time is the same as the \"Explorer Edition\", which is still 1,500...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1373,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 95.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1373\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6|Parameters_iPhone6 \u200b\u200bPictures|Reviews_Apple iPhone...\"\nSummary: \"Apple iPhone6A1586 product photos, the most expensive is only 68 yuan! Common iPhone6 \u200b\u200bprotective case comparison photos (1 Apple iPhone6A1586 product article As of now, the iOS system has been updated to version 8.1.2, and the system functions are becoming more and more complete...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1374,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 95.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1374\nTitle: \"New domestic version of Apple iPhone 6 at a good price of 1799 yuan - Apple iPhone 6_Nanjing mobile phone market -...\"\nSummary: \"June 5, 2017 - (Zhongguancun Online Jiangsu Market) The top-level Apple mobile phone of the year is worth choosing. Today, I will introduce the screen resolution of the Apple iPhone 6 to you. It is 1334x750 pixels, which Apple calls Retina HD screen...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.09 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1375,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 domestic price\"\nQuery Dwell Time: 95.64 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1375\nTitle: \"[Apple iPhone 6 128GB Telecom Edition 4G (Silver) Price] How is it_Price_Apple ...\"\nSummary: \"iPhone6 \u200b\u200b128GB latest price 128GB Telecom version 4G (silver) 16GB public version 4G (gold) 16GB public version 4G (silver) 128GB mobile version 4G (silver) 64GB mobile version 4G (silver) Apple iPhone6 \u200b\u200b128GB product...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.07 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1376,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6\"\nQuery Dwell Time: 100.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1376\nTitle: \"iPhone- Apple\"\nSummary: \"Explore iPhone, the world's most powerful personal device. Check out iPhone X, iPhone 8, and iPhone 8 Plus.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1377,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much is the iPhone 6 from Hong Kong?\"\nQuery Dwell Time: 117.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1377\nTitle: \"\u3010Photo\u3011Hong Kong iPhone 6 has a price_1_Shenzhen Forum_Aika Auto\"\nSummary: \"The price of iPhone 6 made in Hong Kong is available (1\/1) Original Poster: Jamesc1628 Return to post $5588 HKD iPhone 6 $6388 HKD iPhone 6 plus\u2026 [View this post]\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.0 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1378,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much is the iPhone 6 from Hong Kong?\"\nQuery Dwell Time: 117.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1378\nTitle: \"Kind people tell me what is the latest price of iPhone 6 Hong Kong goods?_Computer network problem_Tuba...\"\nSummary: \"Tubatu Decoration Q&A platform provides netizens with various questions and answers. Tubatu Decoration Q&A gathers the decoration experience and wisdom of 6 million owners, quickly solving decoration confusion\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 36.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1379,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much is the iPhone 6 from Hong Kong?\"\nQuery Dwell Time: 117.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1379\nTitle: \"Does anyone know how much the iPhone 6 Hong Kong version costs?\"\nSummary: \"5670 yuan iPhone 6 plus: 16G 6388 Hong Kong dollars, 64G 7188 Hong Kong dollars, 128G 8088 Hong Kong dollars. People's... Answer: Parallel imports~~ I am from Guangdong. We cross the sea to Hong Kong. The Hong Kong goods are converted into RMB 5600, even...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1380,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need to pay customs duties?\"\nQuery Dwell Time: 47.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1380\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15 of 2012.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1381,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need to pay customs duties?\"\nQuery Dwell Time: 47.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1381\nTitle: \"Will bringing the Hong Kong version of the iPhone 6 into the country be considered smuggling? - Articles Clearance - China Customs Lawyers Network\"\nSummary: \"I saw a recent newspaper report that Shenzhen Huanggang Customs recently caught many \"smugglers\" carrying IPHONE6 mobile phones. Do I need to pay customs duties when I bring Apple iPhone6Plus (Hong Kong version) into the country? Is it okay to bring a mobile phone into the country for a friend who is traveling abroad during the National Day holiday?\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.94 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1382,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1382\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"A must-have for digital enthusiasts. Can the Hong Kong version of the Zhongguancun Online client be used on the domestic network without rooting? Answers Views Today I saw news that the Hong Kong Apple official website is open for sale. If I bought a Hong Kong version of the iPhone 6, without jailbreaking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1383,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1383\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G network - IT News - 21CN.COM\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.95 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1384,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1384\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks_NetEase Technology\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1385,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1385\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.16 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1386,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1386\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.59 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1387,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1387\nTitle: \"The US version of iPhone 6 (unlocked GSM version) can support LTE of any domestic operator...\"\nSummary: \"The comparison of iPhone 6 Hong Kong and US versions is shown in the figure. It can be ignored (the Hong Kong version has CDMA A1586 and A1524, which are no different from GSM. One is based on code division multiplexing and the other is time division multiplexing. Code division multiplexing CDMA is more popular in Europe. Domestic...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.11 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1388,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 587.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 110.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1388\nTitle: \"Can the Hong Kong version of iPhone 6 be used with China Telecom?_Mobile phone questions_Tubatu Q&A\"\nSummary: \"Specifically, the only versions that can support the three major domestic operators' networks are the Japanese unlocked version, the US Sprint customized version, and the China Unicom and Telecom versions. These versions can support GSM\/WCDMA\/CDMA2000\/TD-SCDMA\/TD-LTE\/LTE...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.93 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1389,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1389\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.89 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1390,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1390\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Dianping.com provides you with parking information about Chenming Swimming Pool (Tsinghua University Swimming Pool), how much is the parking fee at Chenming Swimming Pool (Tsinghua University Swimming Pool), and how to park nearby. You can also share your experience at Chenming Swimming Pool (Tsinghua University...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.2 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1391,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1391\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1392,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1392\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1393,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 427.42 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 285.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1393\nTitle: \"[Tsinghua University Swimming Pool] Tsinghua University Swimming Pool Group Purchase - Meituan.com\"\nSummary: \"Tsinghua University Swimming Pool Group Buying Special, here you can find the most affordable and preferential Tsinghua University Swimming Pool Group Buying, Tsinghua University Swimming Pool Group Buying All! At the same time, there are also a variety of Tsinghua University Swimming Pool Group Buying Packages for you to compare and choose, with super low discounts,...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1394,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 80.22 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1394\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"After the disintegration of the Soviet Union, the \"Varyag\" was acquired by the Republic of Ukraine during the division (in the first few years, it was still nominally owned by the Russian Black Sea Fleet. In 1995, the \"Varyag\" was officially withdrawn from the Russian Navy and \"given away\" on the grounds of repaying debts...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 51.45 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1395,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1395\nTitle: \"Background information of Liaoning\"\nSummary: \"The other third are officers and conscripts, roughly half and half. More than 98% of the officers of the Liaoning have a bachelor's degree or above, including more than 50 with a master's degree or above. Soldiers are basically high school graduates, including about...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 65.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1396,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1396\nTitle: \"Decoding the six details of the aircraft carrier \"Liaoning\", including basic technical parameters\"\nSummary: \"Basic technical parameters The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. There are 10 floors below the main deck and 9 floors of island-style superstructure above the main deck. The normal displacement of the Liaoning is more than 50,000 tons, and the full...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.44 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1397,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1397\nTitle: \"Liaoning Decoding the six details of the \"Liaoning Ship\", the basic technical parameters are clearly revealed. The cable of the \"Liaoning Ship\"...\"\nSummary: \"Basic technical parameters The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. Foreign media: The symbolic significance of the Liaoning aircraft carrier is greater than its actual significance. India is \"cheating\" again. Indian netizens' comments on the Liaoning are hilarious. The main deck...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1398,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 162.9 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1398\nTitle: \"Military representative: The overall performance of the domestically-made aircraft carrier is much better than that of the Liaoning __ Hainan News Network _...\"\nSummary: \"March 8, 2017 - These are our basic reliance. Data map: Liaoning aircraft carrier organizes J-15 carrier-based fighter jets to take off during formation training in a certain area of \u200b\u200bthe Yellow Sea. Reporter: Now the modernization level of our naval vessels is approaching or reaching the world's first...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.36 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1399,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning's speed and weapons\"\nQuery Dwell Time: 161.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1399\nTitle: \"7 major features of the Liaoning: strong firepower, high hull and high speed_Ronghu Central City - Home in Shenzhen\"\nSummary: \"Gold: - Level: - Points: - Registration time: - 7 major features of the Liaoning: strong firepower, high hull, high speed. The Liaoning held a handover ceremony and was officially delivered to the navy. The Chinese people's century-old dream of an aircraft carrier has finally become a reality. Aircraft carriers have...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1400,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning's speed and weapons\"\nQuery Dwell Time: 161.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1400\nTitle: \"Detailed explanation of China's first aircraft carrier Liaoning and its weapons and equipment.doc\"\nSummary: \"Crew: 2100+500 (aviation personnel); Weapons and equipment: 12 units of SS-N-19 anti-ship missile vertical launch system; 4... Detailed explanation of China's first aircraft carrier Liaoning and its weapons and equipment.doc 15 pages\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1401,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 156.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1401\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - So we chose this obsolete aircraft carrier as the starting point today for a certain purpose and strategic significance. Some experts and scholars even confidently said that if an incident occurs in the South China Sea, China will consider sending our existing navy to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1402,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 156.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1402\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 - Aircraft carriers are strategic weapons. Nuclear weapons and nuclear submarines are also strategic weapons. But their strategic significance is different. With nuclear weapons (or to put it more precisely, the ability to strike twice), we can ensure that others dare not destroy us...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.14 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1403,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1403\nTitle: \"Comment: A direct comparison between the domestically produced aircraft carrier and the Liaoning\"\nSummary: \"A direct comparison between the domestically produced aircraft carrier and the Liaoning. The United States made a shocking statement, and the countries around the South China Sea were slapped in the face! The United Nations criticized Japan with 218 recommendations, and Abe was infuriating. The United States made a big deal, and Europe was hysterical and collectively criticized Russia. The Prime Minister spread rumors and put his collar...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1404,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1404\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1405,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1405\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 60.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1406,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1406\nTitle: \"Which aircraft carrier is more powerful, Liaoning or Japan? - Weisi Homeworkbook\"\nSummary: \"Which one is better, Liaoning or Japan's aircraft carrier? I won't compare Liaoning, but it's unfair to compare Liaoning with Hyuga. I'll compare the Kiev-class aircraft carrier, which is not rare in China and used by the Chinese military, with Hyuga. Hyuga-class displacement: 19,...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1407,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1407\nTitle: \"What changes have been made to the Liaoning aircraft carrier compared to its Russian \"sister ship\" - Naval Forum - Tiexue Community\"\nSummary: \"The mast replaces the large cylinder, and the aircraft carrier island becomes more refreshing. The Liaoning aircraft carrier was converted from the unfinished Varyag aircraft carrier of the former Soviet Union. The Varyag is of the same level as the Russian Kuznetsov aircraft carrier in terms of design. Therefore, from the general appearance of the aircraft carrier...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1408,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 953.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 300.45 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1408\nTitle: \"Which one of the Japanese aircraft carrier \"Izumo\" and the Chinese aircraft carrier \"Liaoning\" has stronger combat capability? -...\"\nSummary: \"Liaoning is just an experimental platform. It is unfair to compare it with mature weapons. The Japanese ship is the second one, and Liaoning is still under test. The carrier-based aircraft are still under test, and they take off without bombs, so it will take some time to form combat effectiveness. The Japanese...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1409,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1409\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1410,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1410\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1411,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1411\nTitle: \"15 essential games for training_Icebreaker games_Party games\"\nSummary: \"Suitable for playing in a relaxed leisure time. 3 Coin combination game purpose: to break the ice, look at the number of men and women to define the price of men and women, for example, if there are more boys, it is defined as 50 cents, and if there are fewer girls, it is defined as 1 yuan, and then everyone forms a circle and follows a...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1412,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1412\nTitle: \"15 essential games for training_Icebreaker games_Party games\"\nSummary: \"Suitable for playing in a relaxed leisure time. 3 Coin combination game purpose: to break the ice, look at the number of men and women to define the price of men and women, for example, if there are more boys, it is defined as 50 cents, and if there are fewer girls, it is defined as 1 yuan, and then everyone forms a circle and follows a...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1413,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1413\nTitle: \"New employee orientation game\"\nSummary: \"In March 2015, XX Company conducted a one-week induction training for new employees, including skills training and a lot of game training related to teamwork. I believe that the new colleagues have gained a lot from the one-day learning. I hope that in the future work...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1414,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 265.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice-breaking game for ten new employees\"\nQuery Dwell Time: 235.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1414\nTitle: \"Training Ice Breaker Game\"\nSummary: \"To avoid this outcome, consider the following: \u00b7 Adjust the length to suit the case. A 2- to 5-day training can teach complex icebreakers, while a quick exercise of a few minutes can be appropriate for a one-day session. \u00b7 Know your audience, not all...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.21 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1415,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"A 7-day tour guide to Beijing and its surrounding areas\"\nQuery Dwell Time: 72.56 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1415\nTitle: \"Beijing 7-Day Tour Guide\"\nSummary: \"It is unique in Beijing. I won't say more about these advantages. I mainly want to talk about the disadvantages, which is in line with materialism... Hutong Market Tour Celebrity Former Residences \u2192 Lao She Teahouse \u2192 Donghuamen Night Market \u2192 Wangfujing Street Beijing Quick Guide Beijing Scenic Spots...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1416,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1416\nTitle: \"The best place to go around Beijing in July is definitely here! - Mafengwo\"\nSummary: \"July is the hottest month of the year in Beijing. It's time to find a good place to escape the heat. The best place to go in July is Arxan! Arxan is a border town in the hinterland of the Greater Khingan Range forest area. It is famous for...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.36 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1417,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1417\nTitle: \"Beijing surrounding tours_Beijing surrounding self-driving tour guide_Beijing surrounding one-day tours_Beijing surrounding tourism_Beijing...\"\nSummary: \"A complete guide to self-driving tours around Beijing, collecting the most interesting tourist attractions around Beijing, whether it is a one-day or two-day tour, a leisure farm stay, or a tourist attraction, as long as it is relevant information about tours around Beijing, it is all here.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1418,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1418\nTitle: \"Detailed guide for 6-7 days self-guided tour in Beijing_Beijing self-guided tour guide\"\nSummary: \"798 Art District, No. 4 Jiuxianqiao Road, Chaoyang District, Beijing 2) Contact: 010-59789861 3) Time: 10:00-17:00 4) Transportation: There are many buses around 798, such as 401, 402, 403, 405, 688, 909, 988, etc. The location...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.38 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1419,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1419\nTitle: \"[Beijing 7-day tour around the tour]_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"Travel Exchange is the largest travel agency platform in China. It provides you with the most comprehensive travel routes around Beijing for seven days. You can choose from a variety of travel methods such as group tours, self-guided tours, and local tours. Travel Exchange saves you time, effort, and money. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.58 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1420,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1420\nTitle: \"[Beijing 7-day tour around the tour]_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"Travel Exchange is the largest travel agency platform in China. It provides you with the most comprehensive travel routes around Beijing for seven days. You can choose from a variety of travel methods such as group tours, self-guided tours, and local tours. Travel Exchange saves you time, effort, and money. ...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1421,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-Day Tour Guide for Beijing and Surrounding Areas\"\nQuery Dwell Time: 244.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1421\nTitle: \"7-day group tour from Beijing to surrounding areas_2017 Beijing to surrounding Yellow River Hukou Waterfall tour route...\"\nSummary: \"7-day tour from Beijing to surrounding areas, Yellow River Hukou Waterfall Departure city Departure date Product level You have selected Found 2 results in total Product type: Group tourx Trip duration: 7 daysx Theme recommendation: Yellow River Hukou Waterfallx Clear all Seniors only...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 124.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1422,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Beijing's surrounding areas in the free travel guide\"\nQuery Dwell Time: 29.46 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1422\nTitle: \"The best self-driving tour routes around Beijing\"\nSummary: \"The sun is shining outside and autumn is in full swing. Don't miss this great opportunity. Take your car and go on a self-driving tour. The following is a guide to the best self-driving tour routes around Beijing compiled by the editor of 100% Network. I hope it can help you. Beijing surrounding...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1423,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-day free travel guide around Beijing\"\nQuery Dwell Time: 29.73 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1423\nTitle: \"Detailed guide for 6-7 days self-guided tour in Beijing_Lvmama Beijing travel guide\"\nSummary: \"798 Art District, No. 4 Jiuxianqiao Road, Chaoyang District, Beijing 2) Contact: 010-59789861 3) Time: 10:00-17:00 4) Transportation: There are many buses around 798, such as 401, 402, 403, 405, 688, 909, 988, etc. The subway can be taken east...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1424,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-day guide to Beijing and surrounding areas\"\nQuery Dwell Time: 78.62 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1424\nTitle: \"[Beijing 7-day tour around the tour]_Travel guide_Vacation tour route booking_Price and quotation inquiry...\"\nSummary: \"Travel Exchange is the largest travel agency platform in China. It provides you with the most comprehensive travel routes around Beijing for seven days. You can choose from a variety of travel methods such as group tours, self-guided tours, and local tours. Travel Exchange saves you time, effort, and money. ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1425,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 562.91 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"7-day guide to Beijing and surrounding areas\"\nQuery Dwell Time: 78.62 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1425\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to the surrounding areas in 7 days | Booking_Beijing surrounding areas...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tours, how much it costs for all 7-day routes from Beijing to the surrounding areas, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1426,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University buys fixed-gear aircraft\"\nQuery Dwell Time: 33.0 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1426\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1427,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 52.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1427\nTitle: \"[Second-hand ordinary bicycle transfer_New ordinary bicycle transfer information] - ...\"\nSummary: \"Tsinghua University Ordinary Bicycle \/ Other \/ December 4 2 pictures 168 yuan Fei Ge women's 26-inch bicycle, easy to ride, with frame and lock Haidian - Tsinghua University Ordinary Bicycle \/ Fei Ge \/ December 4 7 pictures 100 yuan Jiarun sells a lot of sheds, communities, schools, etc.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1428,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 52.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1428\nTitle: \"Beijing second-hand bicycle information - Hangzhou E City\"\nSummary: \"I bought this bike second-hand in Tsinghua University in early 2014. I rode it for nearly a year. Now I am going back to the south and want to get rid of it... I bought this bike in a specialty store this summer for 600 yuan. I have hardly ridden it and it has been locked downstairs. The hostess doll...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1429,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Dead fly quotation\"\nQuery Dwell Time: 52.16 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1429\nTitle: \"\u3010Fixed Gear Vehicle\u3011-Fixed Gear Vehicle Price|Manufacturer-Yellow Pages 88.com\"\nSummary: \"Yellow Pages 88 provides the latest fixed gear vehicle supply information in 2017, showing fixed gear vehicle quotes, prices, manufacturers and pictures. You can find fixed gear vehicle manufacturers and suppliers and purchase wholesale fixed gear vehicles on Yellow Pages 88.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1430,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Dead fly quotation\"\nQuery Dwell Time: 52.16 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1430\nTitle: \"[Fixed Gear Fixed Gear Price]_Fixed Gear Fixed Gear Wholesale\/Purchase Quote_How much is a fixed gear fixed gear - China...\"\nSummary: \"China Net Store provides you with the latest fixed gear bike prices, fixed gear bike quotation information, fixed gear bike price trends, including suppliers' main products, pictures, sales and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1431,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Bicycle Shop\"\nQuery Dwell Time: 27.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1431\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"Address: Beijing Haidian District Phone No, I will add Category: Shop Traffic Guide Feige Bicycle Tsinghua West Gate Bus Station Nearby: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1432,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 282.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Bicycle Shop\"\nQuery Dwell Time: 27.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1432\nTitle: \"Beijing Agui Bicycle Store Qinghua East Road Branch\"\nSummary: \"This is the introduction page of Beijing Agui Bicycle Store Qinghua East Road Branch in Shunqi.com Beijing Yellow Pages. It is located at No. 20-2, Xueyuan Road, Haidian District, Beijing (Pingfang). The business scope is prohibited by laws and regulations, and it is not allowed to operate. The business that should be approved has not been approved...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1433,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 87.43 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions on international flights\"\nQuery Dwell Time: 80.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1433\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1434,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1434\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? I have swollen body, high blood pressure and faster heart rate. I have quit smoking for more than ten days. Is this normal? If I continue smoking, will it have any effect on my body? As long as the method is suitable and has no side effects, the following method is for reference only. Set a date to quit smoking. And...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 153.57 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1435,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1435\nTitle: \"[The pros and cons of quitting smoking]_Quitting smoking_Benefits_Adverse consequences_Precautions-Public Health Network\"\nSummary: \"When you decide to quit smoking, you should be strict with yourself, such as not smoking in the bedroom or living room, because smoking will affect your family. This should be helpful for you to quit smoking! If it really doesn't work, divert your attention when you see others smoking,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1436,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1436\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.16 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1437,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 227.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 202.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1437\nTitle: \"Methods and effects of quitting smoking - Good Doctor Online\"\nSummary: \"When you have a cold or digestive tract disease, you often have a natural physiological aversion to cigarettes, and quitting smoking is very effective at this time. 3. Fear method: Learn more about the harmful effects of smoking through books, broadcasts and materials, so as to generate fear and strengthen the psychological and emotional motivation to quit smoking.\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1438,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1438\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us the actual use of Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located on the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 54.04 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1439,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1439\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.76 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1440,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1440\nTitle: \"Projected interfaces: Google Glass' latest feature\"\nSummary: \"A new Google patent adds a new feature to their Google Glass. Google recently installed a laser projection device on their head-mounted computer glasses. With this feature, Google Glass can project an operating interface on a nearby flat surface...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1441,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 144.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1441\nTitle: \"The top ten functions of Google Glass (photos) Hanlang Glasses will reveal the secrets of the glasses that cost more than 11,300 yuan...\"\nSummary: \"This is the most controversial feature of Google Glass: taking photos. It has a very strong sense of augmented reality, but in many cases it may be met with cold stares and protests from others. In fact, the photo taking effect of Google Glass is very average, even worse than some low-end mobile phones. In addition...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.04 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1442,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1442\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1443,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1443\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - Google Glass is available for pre-order at a price of RMB 9,500, and is expected to arrive next year. It is planned to sell this product to ordinary consumers in early 2014, of course, the price of this version may be much lower. Although there is no market for it, the country...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1444,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1444\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.59 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1445,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1445\nTitle: \"How much does Google Glass cost? Google Glass may cost less than $1,500 - Green Tea Article Center\"\nSummary: \"How much does Google Glass cost? Many friends are concerned about the price of Google Glass. Today, Green Tea Editor will tell you how much Google Glass costs. Let's take a look! How much does Google Glass cost? Google Glass price exposed American technology website...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.22 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1446,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1446\nTitle: \"Google Glass for sale Google Glass price - Zhiqu.com\"\nSummary: \"Currently, this pair of glasses is available for sale at the merchant \"Jindong Huihuang\" at a price of 18,500 yuan. If you need it, you may contact the merchant. Picture: Google Glass first started pre-sale at the I\/O conference in 2012, when some...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.58 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1447,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 129.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1447\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1448,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 89.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1448\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"At the same time, press the button on the front of the base to synchronize, so that your Google Glass can be used wirelessly. Attachment: Please make sure that the mouse is at a suitable distance from the power base and there is no strong electromagnetic interference nearby. (2017-11-...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.05 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1449,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 478.18 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 89.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1449\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.57 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1450,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in mainland hong kong\"\nQuery Dwell Time: 116.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1450\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The price of iPhone 6 in China is higher than that in Hong Kong by more than 800 yuan and 1,000 yuan respectively. Yesterday, the reporter visited Apple's official website and saw that iPhone 6 and iPhone 6 Plus will start pre-sale on October 10 and will be officially released on October 17. The price of iPhone 6 in China is higher than that in Hong Kong by more than 800 yuan and 1,000 yuan respectively.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.49 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1451,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring an iPhone I bought from Hong Kong back to China?\"\nQuery Dwell Time: 116.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1451\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus in the mainland are more than 800 yuan and 1,000 yuan higher than those in Hong Kong. Yesterday, the reporter logged into Apple's official website and saw that iPhone 6 and iPhone 6 Plus will start pre-sale on October 10 and will be officially released on October 17. ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.1 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1452,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 brought back from Hong Kong\"\nQuery Dwell Time: 92.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1452\nTitle: \"If I bring an iPhone 6 bought in Hong Kong back to the mainland, will it be checked or confiscated by customs? - _New Knowledge Information\"\nSummary: \"Can I bring an iPhone 6 bought in Canada back to China for use? ...Hello, it needs to be unlocked when I return to China. My relative brought it back from the United States, and I had to unlock it before I could use it. Can I bring an iPhone 6 bought from Hong Kong back to China without unpacking it? ...Yes, without unpacking it...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1453,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 brought back from Hong Kong\"\nQuery Dwell Time: 92.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1453\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? There is a saying that if the electronic products in Hong Kong are worth more than 5,000 yuan and are not opened, they will be subject to a 20% tariff, which means that if you bring an iPhone 6, you will have to pay the tax. If you buy an iPhone 6 and open the box, it will be said that it is your own...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1454,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.41 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1454\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.06 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1455,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.41 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1455\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"My tip: This method is suitable for friends with good financial conditions. The main places selling iPhones in Hong Kong are Broadway and Fortress, but... Online booking If you want to order on the official website in Hong Kong, you must first have a dual-currency credit card (visa,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.4 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1456,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 96.41 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1456\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.3 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1457,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 507.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do mainland operators support the Hong Kong version of iPhone 6?\"\nQuery Dwell Time: 48.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1457\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - The domestic price is 5288 yuan, and it is not yet confirmed whether the 5.5-inch model will be released. According to official confirmation from China Mobile, the licensed iPhone 6 purchased in mainland China and the Hong Kong version purchased in Hong Kong both support China Mobile's 4G network (...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1458,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 27.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1458\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.74 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1459,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 35.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1459\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.83 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1460,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 35.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1460\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.28 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1461,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 82.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1461\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"(400 yuan, 40 times, valid for 2 months. I used to buy 300 yuan for 30 times and valid for 3 months, but now it is no longer available). If you don\u2019t use it too often, you can buy a 3-month season pass issued by the Haidian Swimming Pool, which is slightly more expensive than the one at Tsinghua University\u2026\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1462,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 293.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 82.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1462\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Beijing swimming pool rankings Phone: Area: Wudaokou, Haidian District, Beijing Address: No. 30 Shuangqing Road, Tsinghua University (near Wudaokou) People are talking about Jianfeng Brick Machine Tianjin Jianfeng Company is a professional manufacturer of unfired brick machines. If you need, please contact...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1463,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 51.34 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1463\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.98 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1464,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning displacement\"\nQuery Dwell Time: 57.94 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1464\nTitle: \"What is the displacement of the Chinese Liaoning?\"\nSummary: \"Best answer: The Liaoning aircraft carrier is 304.5 meters long and has a full load displacement of 67,500 tons. It has an angled flight deck and a 12-degree ski-jump deck at the bow, so aircraft can take off directly. It is officially equipped with the Su-33 twin-engine combat aircraft...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1465,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning speed\"\nQuery Dwell Time: 42.2 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1465\nTitle: \"Liaoning aircraft carrier spends one day and one night in the Taiwan Strait. Calculate the speed and you will understand_Military_China.com\"\nSummary: \"January 12, 2017 - The average speed is less than 12 knots. Generally speaking, the maximum speed of surface combat ships is around 26-30 knots. However, if they sail at the maximum speed, the fuel consumption is too high, so they usually maintain an economic speed of around 20 knots. This...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1466,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1466\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1467,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1467\nTitle: \"\"The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895\": Historical Imagination of the Aircraft Carrier Era (The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895) Film Review\"\nSummary: \"At the end of September 2012, the Liaoning aircraft carrier was officially delivered to the navy, marking a new stage for my country's naval power. The face of the Liaoning is always a mystery to most Chinese people. This film directed by Liu Quanwei...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.91 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1468,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1468\nTitle: \"In November 2012, my country's first aircraft carrier \"Liaoning\" successfully completed its maiden voyage... - Junior High School History - Jingyou.com\"\nSummary: \"Application APP Junior High School History Primary School My Paper Test Question Basket Recommended Paper Campus Number Local Quality Education Institutions (2017 Spring \u2022 Hedong District School-level Final Exam) In November 2012, the maiden voyage of my country's first aircraft carrier \"Liaoning\" was successful, marking the beginning of the Chinese Navy...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.92 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1469,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 48.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1469\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.32 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1470,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1470\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The significance of the construction of the Liaoning aircraft carrier Liaoning aircraft carrier, referred to as \"Liaoning\", hull number 16, is the Chinese people's... China's naval strategy for offshore defense has not changed. The Chinese people's navy has become stronger. The significance of the construction of the Liaoning aircraft carrier... Introduction to the Liaoning and...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 58.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1471,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1471\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1472,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1472\nTitle: \"China Revealing the great strategic significance of Liaoning's stationing in Qingdao How much do you give as gifts in a year? Liaoning Department...\"\nSummary: \"WriterFrom:220.166.37.* Revealing the strategic significance of Liaoning stationed in Qingdao How much do you give as gifts in a year? Some farmers in the mountainous areas of Liaoning have an annual income of 20,000 yuan and give gifts of 9,600 yuan a year. As we all know, the construction of China's aircraft carrier home port is not only in Qingdao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1473,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1473\nTitle: \"Aircraft carriers play an important role and have strategic significance in modern naval warfare. On the morning of September 25, 2012,...\"\nSummary: \"Aircraft carriers play an important role and have strategic significance in modern naval warfare. On the morning of September 25, 2012, China's first aircraft carrier, the Liaoning, was officially handed over and commissioned. As shown in the figure, the ship is 302 meters long and 70.5 meters wide. The draft depth when fully loaded (water surface to the bottom of the aircraft carrier) is...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.43 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1474,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 211.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1474\nTitle: \"The meaning of Liaoning aircraft carrier, the meaning of Easter, the meaning of life, Liaoning Liaoning decoration start report - ...\"\nSummary: \"Traditional Chinese Research Study Report Aircraft Carrier (2014-2-11 12:15:49) If you have any relevant work summary, year-end summary and articles related to the significance of Liaoning aircraft carrier, you can submit your manuscript to us in time. Once your material is adopted,...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1475,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1475\nTitle: \"Compared with the Liaoning aircraft carrier, what are the advantages and disadvantages of the Vikrant aircraft carrier? - Zhihu\"\nSummary: \"Therefore, we can believe that the performance of an aircraft carrier is mainly determined by the strength of its carrier-based aircraft system. The strength of the carrier-based aircraft system can be reflected in the following aspects: 1. Is the aircraft carrier equipped with advanced carrier-based aircraft? 2. Is the aircraft carrier equipped with...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 54.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1476,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1476\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.7 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1477,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1477\nTitle: \"Comment: What are the improvements of the domestically-made aircraft carrier that is about to be launched compared with the Liaoning?\"\nSummary: \"The Chinese must redouble their efforts to build the world's most powerful and invincible aircraft carrier to safeguard human peace and bring happiness to mankind. There is no doubt that the Liaoning has a certain combat capability. Of course, it is unrealistic to let it go far away from home to fight with you Americans. However, for...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.65 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1478,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1478\nTitle: \"What changes have been made to the Liaoning aircraft carrier compared to its Russian \"sister ship\" - Naval Forum - Tiexue Community\"\nSummary: \"The mast replaces the cylinder, and the carrier island becomes more clean. The Liaoning aircraft carrier was converted from the unfinished Varyag aircraft carrier of the former Soviet Union. The Varyag is of the same level as the Russian Kuznetsov aircraft carrier in terms of design. Therefore, from the general appearance of the aircraft carrier... However, by carefully comparing the photos of the Liaoning and Kuznetsov, it is not difficult to find that the Liaoning's island does not have the Kuznetsov-like...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.24 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1479,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1479\nTitle: \"Aircraft carriers are indeed giants. The deck of Liaoning compares with the Nimitz class of the United States_Sohu Others_Sohu.com\"\nSummary: \"January 15, 2017 - Statement: This article was written by an author who is registered on Sohu.com. Except for Sohu official accounts, the views only represent the author himself and do not represent the position of Sohu.\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1480,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 738.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared to other aircraft carriers\"\nQuery Dwell Time: 163.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1480\nTitle: \"Which one of the Japanese aircraft carrier \"Izumo\" and the Chinese aircraft carrier \"Liaoning\" has stronger combat capability? -...\"\nSummary: \"Liaoning is just an experimental platform. It is unfair to compare it with mature weapons. The Japanese ship is the second one, and Liaoning is still under test. The carrier-based aircraft are still under test, and they take off without bombs, so it will take some time to form combat effectiveness. The Japanese...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1481,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Training Icebreaker Games\"\nQuery Dwell Time: 188.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1481\nTitle: \"15 essential games for training_Icebreaker games_Party games\"\nSummary: \"Inserting games into training can be entertaining, experiential, participatory, lively, and ice-breaking, etc. Here are some games for your reference! 1 Carrot squat game purpose: When students are sleepy at noon or in the afternoon, the activity...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1482,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Training Icebreaker Games\"\nQuery Dwell Time: 188.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1482\nTitle: \"Training Ice Breaking Games_Ice Breaking Games_Party Games\"\nSummary: \"[Ice-breaking game] Number of participants: 4 people per group Time: 15 minutes Venue: unlimited Props: none Application: (1) Training of creative problem-solving ability (2) Training of adaptability (3) Used to liven up the atmosphere before training and meetings. Used under great pressure...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1483,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Training Icebreaker Games\"\nQuery Dwell Time: 188.65 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1483\nTitle: \"Training Ice Breaking Games_Chinese Text Library\"\nSummary: \"Training Ice Breaking Games (13)_Higher Education_Education Zone. Including the methods and significance of ice breaking games 1. First meeting The first 3 minutes is the most important moment for you to leave a first impression on others. Similarly, before the training activity begins,...Training...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1484,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 333.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Team Ice Breaker Games\"\nQuery Dwell Time: 112.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1484\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Please ask the team that gets up the fastest to talk about their feelings, and summarize their feelings after the game based on what they said. Group together to conquer the world A) Let... Hunters hunt rabbits Game type: ice-breaking game Suitable for number of people: unlimited Game props: none Game steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1485,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1485\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"During the three-day May Day holiday, you don\u2019t want to stay at home, nor do you want to go too far. So why not travel around Beijing? What are the fun places around Beijing during the May Day holiday? What are the good places to travel around Beijing during the May Day holiday? Beijing Week of May Day...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1486,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1486\nTitle: \"Where to go in Beijing during the May Day holiday, 2017 Beijing travel guide - Mafengwo\"\nSummary: \"Unconsciously, the May Day holiday is coming. You must be exhausted after working for so many days! Where to go in Beijing for the May Day holiday? Mafengwo editor will tell you about the May Day travel guide to Beijing. Where to go in Beijing for the May Day holiday? You can...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1487,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1487\nTitle: \"Where to go in Beijing during the May Day holiday? What are the best places to visit in Beijing during the May Day holiday in 2017? _Tourism Q&A_Tourism Internet\"\nSummary: \"I want to go out with my classmates and have fun. It's fun to have more people. I wonder if there are any travel friends who have been here before and can recommend some experiences. Where to go in Beijing during the May Day holiday? What are the best places to visit in Beijing during the May Day holiday in 2017? ...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1488,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Yesanpo Tourism\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1488\nTitle: \"Travel Guide for May Day in Beijing_Where to Go for Fun Travel in Beijing during May Day\"\nSummary: \"Xinxin Travel Network Travel Guide: Where to have fun in Beijing during the May Day holiday? Let me take you to take stock of the fun places in Beijing. In addition to the regular routes in Beijing such as the Summer Palace, the Great Wall, Tiananmen Square and the Forbidden City, I will focus on the flower-viewing routes in Beijing during the May Day holiday...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1489,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1489\nTitle: \"Beijing Tours during the May Day Holiday, 2017 Beijing Tours - Mafengwo\"\nSummary: \"The May Day holiday is just around the corner. Have you decided where to go? Don't stay at home and waste your precious time. Beijing friends may want to take a tour around the city to relax. So, what are the good places to go around Beijing during the May Day holiday?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1490,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Travel\"\nQuery Dwell Time: 136.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1490\nTitle: \"Beijing May Day Tours, 2017 Beijing May Day Tours - Mafengwo\"\nSummary: \"During the three-day May Day holiday, you don\u2019t want to stay at home, nor do you want to go too far. So why not travel around Beijing? What are the fun places around Beijing during the May Day holiday? What are the good places to travel around Beijing during the May Day holiday? Beijing Week of May Day...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1491,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 186.96 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing May Day Gold Coast\"\nQuery Dwell Time: 21.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1491\nTitle: \"Beijing to Gold Coast\"\nSummary: \"Self-driving tour from Beijing to Gold Coast, providing guides, routes, food, accommodation, free booking of Beidaihe accommodation, special hotel standard room from 100 yuan, special sea view hotel standard room from 120 yuan, special family hotel from 50 yuan, discounted tickets at least 50% off and other services...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1492,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 323.68 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Purchase\"\nQuery Dwell Time: 199.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1492\nTitle: \"Where are the fixed gear stores in Beijing? - Interactive Q&A on home decoration\"\nSummary: \"The Yiquan store in Lama Temple, the ORYX store in Daxing Hutong, and the one in Tsinghua West Gate or North Gate. I forgot whether I came there. There is a fixed gear park there. Physical stores in Beijing are generally quite expensive. For the living room window area, you can go to Nantong VIC fixed gear store, Nantong No. 1...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1493,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 323.68 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Purchase\"\nQuery Dwell Time: 199.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1493\nTitle: \"[A big offer for the start of the new semester] Peking University freshmen will never be cheated when buying a bicycle after reading this!\"\nSummary: \"Generally speaking, except for some professional bike shops around Tsinghua University (such as the Fixed Gear Park), the quality of similar fixed gear bikes sold in the vicinity of Peking University is not up to standard, and it is not recommended to buy them. In fact, the real fixed gear bike players, their mounts are expensive...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 95.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1494,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 323.68 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 45.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1494\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.43 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1495,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1495\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"Hope this helps! 2017 International Flight Baggage Rules Air China introduces a new policy of free checked baggage! After that, you can take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (not...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1496,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1496\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.01 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1497,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1497\nTitle: \"International flight baggage regulations doc download_iAsk shared document\"\nSummary: \"Introduction: This document is \"International Flight Baggage Regulations doc\", which can be applied to the field of higher education. The subject content includes international flight baggage regulations, carry-on baggage restrictions, and taking international flights: the total weight of hand luggage in general...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 77.33 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1498,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1498\nTitle: \"Are there any requirements for luggage that can be brought on board international flights? - Mafengwo\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.88 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1499,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 481.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1499\nTitle: \"International flight baggage regulations doc download_iAsk shared document\"\nSummary: \"Introduction: This document is \"International Flight Baggage Regulations doc\", which can be applied to the field of higher education. The subject content includes international flight baggage regulations, carry-on baggage restrictions, and taking international flights: the total weight of hand luggage in general...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 47.84 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1500,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 805.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage weight volume\"\nQuery Dwell Time: 76.08 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1500\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 43.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1501,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 245.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking benefits side effects\"\nQuery Dwell Time: 236.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1501\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? The body is swollen, blood pressure is high, and the heartbeat is fast. I have quit smoking for more than ten days. Is this normal? If I continue to... What foods are good for the body? The effects of quitting smoking on the body, and how to avoid these effects! Condition analysis:...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 75.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1502,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 245.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking benefits side effects\"\nQuery Dwell Time: 236.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1502\nTitle: \"Is it really difficult to quit smoking: [1] The harm of smoking and the benefits of quitting smoking_The most authentic experience sharing_Health...\"\nSummary: \"Teenagers are in the growth and development period, their physiological systems and organs are not yet mature, and their resistance to the external environment is weaker than that of adults. Smoking will definitely damage the normal growth of the body, so quitting smoking in time is good for the body, and you must not be careless. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 42.78 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1503,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 245.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking benefits side effects\"\nQuery Dwell Time: 236.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1503\nTitle: \"The harms of smoking and the benefits of quitting smoking\"\nSummary: \"\"The Harms of Smoking and the Benefits of Quitting Smoking\" was published by Practical Information Network. The main content is: According to scientists' years of experiments, smokers' organs will undergo a series of beneficial changes after quitting smoking.\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 67.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1504,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 185.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 136.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1504\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1505,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 185.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 136.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1505\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.66 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1506,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 185.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 136.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1506\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.56 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1507,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 203.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 43.41 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1507\nTitle: \"How much is the iPhone 6 Hong Kong version now? - Apple iPhone 6 (all network compatible) - ZOL Q&A Hall\"\nSummary: \"The latest price of iPhone 6 in Hong Kong Cyber \u200b\u200bCity Apple Store is 16G=4488 yuan 64G=5288 yuan 128G=5888 yuan (Hong Kong version). Cancel Comment ace09 Special Expert The current price of Hong Kong version is about 4500 yuan. In fact, it is estimated in Huaqiangbei...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1508,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 203.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase matters\"\nQuery Dwell Time: 105.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1508\nTitle: \"I will go to Hong Kong on October 24th and want to bring two iPhone 6s back. Please help me with the purchase tips and precautions. - Asia...\"\nSummary: \"Where are you from? I will go to Hong Kong on the 28th and return to Hebei on the evening of the 30th. I want to ask if the store is open for sale now. I want to buy an iPhone 6 Plus 16G. Reply to Yating: Guangzhou. Reply to Yating: Make an appointment online at 8 o'clock every morning. The appointment is successful (need to use...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1509,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 203.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase matters\"\nQuery Dwell Time: 105.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1509\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - About RMB 5691 for 128G version: iPhone 6 is about RMB 5691\/iPhone 6 Plus is about RMB 6404. But there are many things to note when buying an iPhone in Hong Kong: The first point is what kind of store to choose...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 67.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1510,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 45.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1510\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. The price of a swimming pool of this quality is really amazing. There are deep and shallow water areas, and there is a diving platform next to it, but outsiders cannot enter. The deep water...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.5 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1511,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.92 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chenming Swimming Pool Ticket Price\"\nQuery Dwell Time: 116.3 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1511\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) - 3 pictures - Beijing Sports and Fitness - Dianping.com\"\nSummary: \"Uploaded by Dianping.com netizen Yefenglaicu, 3 of the Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch).\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1512,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Data\"\nQuery Dwell Time: 61.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1512\nTitle: \"US media released the ranking of the world's top ten aircraft carriers. my country's Liaoning aircraft carrier ranks fourth in combat power | Baidu Big Data Engine - Search...\"\nSummary: \"April 25, 2014 - Baidu released the world's first open big data engine, envisioning a future life driven by big data; US media released the ranking of the world's top ten aircraft carriers, and my country's Liaoning aircraft carrier ranked fourth in combat power; the National Children's Vaccination Promotion Day is coming, how to...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1513,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Information\"\nQuery Dwell Time: 132.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1513\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"According to Hong Kong media reports, military sources revealed that due to problems with parts that need to be repaired, the aircraft carrier will not conduct internal water trials as originally scheduled on July 1. \"This is China's first aircraft carrier, and it is normal to encounter some difficulties, so we...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 117.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1514,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 146.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1514\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.96 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1515,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 570.29 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 58.93 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1515\nTitle: \"Liaoning and Vikramaditya, which one is more powerful? - Zhihu\"\nSummary: \"India can basically be considered to have an all-Russian weapon system. Except for the hull, the Liaoning is basically China's own weapons... The crushing of the entire system is the fundamental. It is not determined by the pros and cons of a certain weapon. So, just because the Indians like to play...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1516,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 325.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 201.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1516\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 38.42 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1517,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 325.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 201.14 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1517\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"A complete collection of indoor and outdoor group training games for icebreakers 1. Bundling to pass - (Applicable to: team collaboration) Brief description: Complete several tasks by being tied together Number of people: No limit on venue: No limit on props: Rope or other things that can be tied Something for everyone...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1518,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 325.3 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 101.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1518\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1519,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism\"\nQuery Dwell Time: 55.24 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1519\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1520,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Water Town\"\nQuery Dwell Time: 223.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1520\nTitle: \"Gubei Water Town Tag List - Sohu Travel\"\nSummary: \"September 3, 2017 - The most popular tourist town in the past two years is Gubei Water Town in the suburbs of Beijing. Gubei Water Town is a respectable project in the tourism industry. It is an \"ancient town\" built from scratch and is famous in Beijing, Tianjin, Hebei, and even Jiangsu, Zhejiang, and Shanghai as the \"starry sky town at the foot of the Great Wall\"...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 83.11 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1521,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Water Town\"\nQuery Dwell Time: 223.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1521\nTitle: \"Gubei Water Town-Capital Window-Beijing Municipal Government Portal\"\nSummary: \"Gubei Water Town, with a history of thousands of years, is simple, elegant and picturesque. The rows of houses, the old streets with bluestone slabs and the long alleys all show the style of the ancient town in the Republic of China in the north. The water town is densely covered with rivers, and the ancient Tanghe River tributaries linger around it...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1522,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Water Town\"\nQuery Dwell Time: 223.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1522\nTitle: \"Gubei Water Town Official Website\"\nSummary: \"Gubei Water Town is a comprehensive leisure international tourist resort destination that integrates sightseeing, leisure, business exhibitions, creative culture and other tourism formats. It has first-class services and facilities, and is highly participatory and experiential. The resort has 430,000 square meters...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 47.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1523,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 333.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Gubei Accommodation\"\nQuery Dwell Time: 21.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1523\nTitle: \"Gubei Water Town Travel Accommodation\"\nSummary: \"Introduction to accommodation in Gubei Water Town: Currently, the Gubei Water Town scenic area has opened Water Town Hotel, Wuzhenhui Boutique Hotel, Shushe Hotel and Gubei B&B (Baqi Inn, Yanmen Inn, Biaoju Inn, Liyuan Inn, Wo...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.44 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1524,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 55.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1524\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park * Required fields are required. China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1525,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 55.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1525\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.86 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1526,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua West Gate Fixed Gear\"\nQuery Dwell Time: 55.7 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1526\nTitle: \"Businesses near Makara Fixed Gear Park - Beijing - Dianping.com\"\nSummary: \"|In the alley 500 meters north of the west gate of Tsinghua University in Wudaokou Cafe |Inside Tsinghua University, Haidian District, near Chunyuan 1911 Coffee! Only 48.8 yuan! A coffee and dessert set worth 70 yuan, free WiFi is provided. 1911 Coffee! Only 148.8 yuan! Worth 242 yuan...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1527,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 111.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1527\nTitle: \"Fixed Gear Park Makara Store has moved_Fixed Gear Park Makara Bar_Baidu Post Bar\"\nSummary: \"Fixed Gear Park Makara has now moved to Taihu Road and Huizhou Avenue, 300 meters east: Take: 145 133 158 41 41 air-conditioned to Xiawei Contact number: 18655106781 QQ group number: 155145265 Owner QQ: 281119406\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1528,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 111.26 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1528\nTitle: \"Makara Fixed Gear Park: \"The entry-level fixed gear for beginners is still more than 1,500 yuan, and they earn too much...\"\nSummary: \"Comments from the Fixed Gear Club on Makara Fixed Gear Park: The entry-level fixed gear bikes for beginners cost more than 1,500 yuan. They make too much money. I built one for them: aluminum alloy frame, Jiuyu bearing hub, olive chain, Lesk pressure plate for only 2,200 yuan. The quality is very good....\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1529,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 182.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1529\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.2 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1530,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 182.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1530\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 84.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1531,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 182.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1531\nTitle: \"Entry-level fixed gear bike prices\"\nSummary: \"So the overall price of small fixed gear is not as cheap as we imagined, but it is not exaggerated either. It is usually the same as the same... Kunming Fixed Gear - How much does a fixed gear bicycle cost? How much is a fixed gear bicycle suitable for beginners?\"\nRank: 14\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1532,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 521.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What to look out for when buying a fixed gear bike\"\nQuery Dwell Time: 88.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1532\nTitle: \"Fixed flight price\"\nSummary: \"Jason, the manager of @bike, used real examples to explain in detail the things to pay attention to when buying an entry-level fixed gear bike. Compared with the \"fixed gear\" that is often sold on the market for less than 1,000 yuan, especially those that can be bought for as low as 200 or 300 yuan and look the same as fixed gear...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 75.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1533,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International Flight Baggage\"\nQuery Dwell Time: 135.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1533\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1534,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International Flight Baggage\"\nQuery Dwell Time: 135.93 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1534\nTitle: \"International Flight Baggage Information\"\nSummary: \"People generally need to carry a lot of luggage when taking international flights, and different airlines have different regulations on luggage. Therefore, it is necessary to check the relevant regulations when booking tickets and preparing luggage, especially the number of pieces of luggage, size, etc.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1535,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 320.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1535\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 257.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1536,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 320.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1536\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"There are 5 general requirements for checked baggage on international flights: Liquids can be checked in, and always... Alcoholic beverages must be checked in. 6... What are the regulations for checked liquids on airplanes? : Hello, there are no special regulations for checked liquids, one...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1537,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 475.84 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 320.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1537\nTitle: \"Air China Baggage Check-in Standards\"\nSummary: \"Air China implements piece-rate checked baggage rules on international and regional routes. 1. International and regional routes: Each piece of ordinary baggage... For tickets purchased from Air China for interline or code-share flights with U.S. and Canadian carriers, you will be charged a fee on the actual carrier...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 23.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1538,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 109.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1538\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.7 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1539,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 109.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1539\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many ways to quit smoking, and the following are some recommended. Some patients experience phlegm and dry throat after quitting smoking. A large number of clinical research results have confirmed that the more obvious this abnormal feeling is after treatment, the more...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.16 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1540,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1540\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1541,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1541\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.64 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1542,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.88 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1542\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.73 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1543,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 67.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1543\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.66 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1544,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 330.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 67.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1544\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1545,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Eyes\"\nQuery Dwell Time: 113.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1545\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1546,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Eyes\"\nQuery Dwell Time: 113.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1546\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 35.44 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1547,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Eyes\"\nQuery Dwell Time: 113.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1547\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1548,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 60.57 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1548\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - The much hyped Google Glass is finally available for sale. Google announced that it will start a one-day sale on April 15, with a price of $1,500 (about 9,334 yuan), which is more than 10,000 yuan after tax...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.74 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1549,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 60.57 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1549\nTitle: \"Google Glass is said to cost 10 times more than its original price. Google Glass responded that its overall cost is high | Google Glass | Google | Wearable devices...\"\nSummary: \"May 15, 2014 - Google Glass costs $1,500, is it worth it? A report says that the production cost of Google Glass is only $152.47. Summary: Google announced on the 13th that it will start supplying Google Glass in the US market with a unit price of $1,500...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1550,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 206.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1550\nTitle: \"What functions does Xiaobai ask Google Glass for help? _Home life decoration | Yiqi.com decoration\"\nSummary: \"Hello, from what I understand, Google Glass has a lot of high-tech features, including Bluetooth, Wi-Fi, speakers, cameras, microphones, touch pads, and gyroscopes that help you detect tilt. And most importantly, a screen that's the same size as your finger...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.36 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1551,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 206.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1551\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 44.07 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1552,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 410.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 206.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1552\nTitle: \"Google Glass features: basically all the features of Android\"\nSummary: \"Introduction: At the I\/O conference held in June last year, Google co-founder and CEO Sergey Brin demonstrated the extended reality glasses that Google has been committed to developing - \"Google Glass\". Last year, Google also announced a...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.26 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1553,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 78.68 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1553\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.32 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1554,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 78.68 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1554\nTitle: \"Hong Kong iPhone 6 price rises to nearly 10,000 yuan - China News Service\"\nSummary: \"September 12, 2014 - Apple's new product launch has repeatedly disappointed mainland China's \"Apple fans\". The mainland has not changed its fate of missing out on the first launch, but the price of the Hong Kong version of the iPhone 6 has been hyped up to a sky-high price. There are reports that the Hong Kong version of the 16GB iPhone 6 has been sold by scalpers...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1555,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version China version\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1555\nTitle: \"What are the differences between the Hong Kong version of iPhone 6 and the national version? - What are the differences between the Hong Kong version of iPhone 6 and the national version? _Quick...\"\nSummary: \"The Hong Kong iPhone 6 is much cheaper. The main difference is...Which is better, the Hong Kong version or the Chinese version...They have the same functions, but the Hong Kong version cannot use China Telecom. It is about 800 cheaper, while the Chinese version can use all networks. Here is a reference for you: Apple iPhone 7, iPh...iphone6...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1556,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version China version\"\nQuery Dwell Time: 63.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1556\nTitle: \"500 yuan cheaper than the national version, iPhone6 \u200b\u200bHong Kong version is only 4600 yuan - Apple iPhone6 \u200b\u200b(all network compatible)_He...\"\nSummary: \"(Zhongguancun Online Anhui Market) iPhone 6 has been on the market for a long time. Due to the open supply of Hong Kong stocks some time ago, the price of iPhone 6 in mainland China and Hong Kong will definitely drop. The launch of the new iPhone is of great significance to Apple. Apple uses it to redefine...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.86 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1557,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong Network\"\nQuery Dwell Time: 46.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1557\nTitle: \"Hong Kong version of iPhone 6 - Tubatu decoration Q&A\"\nSummary: \"The Hong Kong version of iPhone 6 cannot use telecom cards. The Hong Kong version of the naked unlocked public version, model is iPhone 6 (A1586), the hardware supports all network access, CDMA network hardware basic support, but because Hong Kong does not have CDMA operators, the default should be software...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1558,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong brings iPhone tariffs\"\nQuery Dwell Time: 71.13 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1558\nTitle: \"Is it considered smuggling to bring an iPhone from Hong Kong into the mainland? - Consultation Center - China Customs Lawyers Network\"\nSummary: \"I bought 30 iPhones from Hong Kong for my friend, each costing about 4,000 yuan. If I put them in a suitcase, will the customs check? ... [No.: 56442] Is it considered smuggling to bring iPhones from Hong Kong into the mainland?\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1559,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone purchase tariff\"\nQuery Dwell Time: 71.13 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1559\nTitle: \"How much customs duty do I have to pay when I bring my iPhone 4 back from Hong Kong? _iPhone question_...\"\nSummary: \"January 6, 2012 - Author: Drakedog Question: How much customs duty do I have to pay when I bring an iPhone 4 back from Hong Kong? . . . The editor recommends the answer: One machine is now 500, which has been halved. It used to be 1000.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.31 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1560,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong brings iPhone tariffs\"\nQuery Dwell Time: 71.13 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1560\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Follow Game Bus to get the latest game information anytime, anywhere Source: Internet Author: Anonymous Xia Ya Question: Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to the mainland? The editor recommends the answer: One or two are not charged,...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1561,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone in Hong Kong\"\nQuery Dwell Time: 69.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1561\nTitle: \"Where can I buy an iPhone cheaper in Hong Kong? \ud83e\udd23 Thank you all - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy an iPhone cheaper in Hong Kong? \ud83e\udd23 Thank you all experts 595 views 0 people follow Follow Answer 4 answers [The questioner accepts] iPhones from regular channels are all sold at the same price, Apple stores have the most complete products and the best service...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.24 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1562,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 397.79 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone in Hong Kong\"\nQuery Dwell Time: 69.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1562\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1563,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 60.5 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1563\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.32 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1564,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University\"\nQuery Dwell Time: 60.5 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1564\nTitle: \"How to get to Tsinghua University Swimming Pool by car?\"\nSummary: \"Post number: 3 Page: Share to: Article topic: How to drive to Tsinghua University Swimming Pool? Jason Identity User Article Zodiac Pisces Points Level Nanmu (12) Sender: jason04 (jason), Message area: Swimming From...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.59 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1565,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 111.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1565\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.48 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1566,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 336.13 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 89.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1566\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.39 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1567,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 268.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 123.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1567\nTitle: \"The Liaoning's \"coming to China\" process revealed\"\nSummary: \"Today, the \"Varyag\" has been successfully launched for sea trials and renamed \"Liaoning\", and has been rebuilt into the first aircraft carrier of the Chinese Navy. Xu Zengping, chairman of Chuanglu Group, who spent all his fortune to buy the \"Liaoning\" aircraft carrier for the country, and the first buyer of the \"Varyag\"...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.28 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1568,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 268.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Number of aircraft carriers on Liaoning\"\nQuery Dwell Time: 50.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1568\nTitle: \"Comparison of China and India's aircraft carriers: Liaoning has far more aircraft than India_Military Channel_Phoenix.com\"\nSummary: \"June 26, 2013 - The aircraft carrier has entered the final stage of exterior maintenance. The number of carrier-based aircraft far exceeds that of India. The Liaoning and the \"Vikramaditya\" aircraft carrier also use conventional power and are both products of the former Soviet Union. The former belongs to the \"Kuznetsov\"...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.07 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1569,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 268.79 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1569\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"Mr. Ma used the USS Midway to analyze the shortcomings of China's Liaoning aircraft carrier. His method is desirable, but his conclusion is biased. The questions raised by Mr. Ma can be summarized into two issues: one is the skills of air and ground crews...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1570,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 250.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 236.63 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1570\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 136.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1571,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 250.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 236.63 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1571\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Bundle up - (Applicable to: teamwork) Brief description: By being tied... At least ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1572,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 250.89 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people icebreaker game\"\nQuery Dwell Time: 236.63 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1572\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1573,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May 7 days of sightseeing around Beijing\"\nQuery Dwell Time: 78.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1573\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.5 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1574,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"May 7 days of sightseeing around Beijing\"\nQuery Dwell Time: 78.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1574\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes make your trip more affordable and colorful Battle of Heroes Experience Real CS One-day Tour 158 yuan\/person Mulan Paddock Saihanba Park Ulan Butong...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1575,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings 7 Days\"\nQuery Dwell Time: 28.31 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1575\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to the surrounding areas in 7 days | Booking_Beijing surrounding areas...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tours, how much it costs for all 7-day routes from Beijing to the surrounding areas, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1576,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hebei travel, one week in May\"\nQuery Dwell Time: 33.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1576\nTitle: \"Don't miss these five classic attractions in Hebei in May\"\nSummary: \"The following five are the most representative attractions for you to visit around Beijing. Don't miss them. 1. Royal Gardens - Cheng... In May 1947, the Central Working Committee headed by Liu Shaoqi and Zhu De moved into Xibaipo in advance. The National...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1577,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shandong travel, one week in May\"\nQuery Dwell Time: 39.02 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1577\nTitle: \"The latest price list for traveling to Shandong in May 2017_Recommended routes to Shandong in May - Utour Travel\"\nSummary: \"Shandong tour in May Shandong group tour routes (departure in May) No. Group tour routes (199 eligible) Satisfaction Reviews Departure place F112396 View itinerary Yantai + Weihai + Dalian + Qingdao + Qufu + Tai'an + Jinan (Yantai to Jinan and back) Guang...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1578,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Travel in Shandong\"\nQuery Dwell Time: 30.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1578\nTitle: \"Top Ten Tourist Attractions in Shandong\"\nSummary: \"It is located in the southeast of Shandong Peninsula, bordering Qingdao to the west and the Yellow Sea to the southeast. It covers an area of \u200b\u200b386 square kilometers, with the peak of Laoshan, 1,133 meters above sea level. It is not only a famous Taoist mountain in China, but also a famous summer resort. The Laoshan Scenic Area includes Taiqing Palace, Taiping...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1579,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Shandong Accommodation\"\nQuery Dwell Time: 35.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1579\nTitle: \"Shandong Accommodation-Ctrip Community\"\nSummary: \"I would like to ask about accommodation in Jinan, Qufu and Qingdao. The target is to find accommodation within 200 yuan, with clean environment and convenient transportation. In these three places, which area can easily find ideal accommodation? Thank you! Reply You can also enter 1000 words Submit Total 1 reply...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1580,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tahiti Resorts\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1580\nTitle: \"Qingdao, Qingdao free travel, Mafengwo Qingdao free travel products - Mafengwo free travel\"\nSummary: \"3-5 days free travel from Shanghai to Qingdao (round-trip air tickets\/all kinds of popular hotels to choose from + free exquisite breakfast + 15KG luggage allowance + can... Download Mafengwo Liangpin Official Service Account Mafengwo Free Travel Subscription Account Salute to the Caribbean Pirates who advocate freedom! ...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1581,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1581\nTitle: \"Qingdao Guide Mafengwo\"\nSummary: \"Qingdao Guide Mafengwo Related Articles Liqu shares mobile applications related to Qingdao Guide Mafengwo. The editor recommends the latest information about Qingdao Guide Mafengwo for you. Qingdao Guide Mafengwo is an application pushed to you by Liqu Mobile App Store. Find Qingdao Guide Mafengwo...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1582,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1582\nTitle: \"[Qingdao Weather] Qingdao weather forecast for the week, Shandong Qingdao weather forecast - Mafengwo\"\nSummary: \"Qingdao Tourist Attractions >>More China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers 920,000 international hotels 21,000,000 real reviews 382,000,000 guide downloads Mafengwo...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1583,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1583\nTitle: \"Qingdao Sifang District-Qingdao Travel Guide-Mafengwo\"\nSummary: \"Mafengwo Sina Weibo Official Blog Mafengwo Renren Official Homepage Xitang Surrounding Travel Haoyijia Beef Noodles (Hangzhou Road Store) Tel: 0532-83723335 Address: No. 99, Hangzhou Road, Shibei District, Qingdao City Featured Tags: Sifang District Congee Shop Noodles Lian...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.53 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1584,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 491.67 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qingdao Mafengwo\"\nQuery Dwell Time: 72.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1584\nTitle: \"Mafengwo Shandong Qingdao Guide (Seventh Edition)\"\nSummary: \"Press Esc to exit full screen mode 2 Contribution value 4.2M Size You may also like Similar articles 13283 Collections 77356 People who like this article also like\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.01 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1585,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 25.89 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1585\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.08 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1586,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Taobao\"\nQuery Dwell Time: 27.92 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1586\nTitle: \"How much does a fixed gear bike cost? [New Lion] Taobao Mall's hot-selling fixed gear bike brands\"\nSummary: \"BSBY_f005 fixed gear bicycle price, major Taobao malls are selling fashion brand fixed gear bicycles, the first brand of bicycles [Xin Teshi Bicycle, Xue Sheng, 136 0302 3434] various\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1587,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1587\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.93 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1588,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1588\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 43.41 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1589,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1589\nTitle: \"Luminous fixed gear bicycle price\"\nSummary: \"The general cost of a fixed gear bike that costs more than 200 yuan is conservatively estimated to be around 150 yuan, plus a few dozen yuan for postage and a few dozen yuan for packaging... Now let's get to the point. Fixed gear bikes are recognized by everyone for their lightness, speed and convenience. For example, a mountain bike weighs...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1590,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 118.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1590\nTitle: \"Price of genuine fixed gear bicycle\"\nSummary: \"It's time for Japan to take the stage in the fixed gear bike market: Keirin is commonly known as a bicycle race on a track. This sport also has... The price of this brand is basically a bargain in the United States, but the product is still good. Recommended frame (but it is not mainstream in China...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1591,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Ximen Bicycle Shop Fixed Gear Bicycle\"\nQuery Dwell Time: 34.92 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1591\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1592,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 55.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1592\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Tips for beginners to learn fixed gear bicycles | Sichuan bicycle supplier detailed description BSBY_f010 bicycles First brand [Germany Xinteshi, Mr. Xue, mobile phone: 13603023434] Fixed gear is now loved by more and more young people...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1593,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 464.98 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Precautions\"\nQuery Dwell Time: 55.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1593\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1594,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1594\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 76.51 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1595,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1595\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Since it is not a Star Alliance international flight, the same regulations do not apply. Japan Airlines' baggage regulations (JL) Regarding baggage restrictions: 1. Kilogram system: (Applicable to passengers traveling to Asia, Australia and Europe) (1) Checked...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1596,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1596\nTitle: \"Are there any requirements for luggage that can be brought on board international flights? - Mafengwo\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.3 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1597,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 192.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1597\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - International Flight Baggage Regulations: What are the latest international flight baggage regulations in 2017? Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to America and Europe...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1598,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Checked baggage restrictions\"\nQuery Dwell Time: 121.21 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1598\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 91.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1599,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 61.18 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1599\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.91 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1600,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 61.18 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1600\nTitle: \"Carry-on baggage requirements for Air China international flights - Mafengwo\"\nSummary: \"Mafengwo Q&A > Air China international flight carry-on baggage requirements I will be going to exchange and study in July this year. The requirements I found online are that the luggage must be within 5kg and the sum of the length, width and height must be within 150cm. However, my suitcase weighs more than 3kg, and with the computer it is overweight,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1601,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 776.74 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 242.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1601\nTitle: \"International flight baggage regulations\"\nSummary: \"\u2475\u3001International flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*... 3. What are liquids, gels and sprays? Liquids, gels and sprays include: Drinks, such as...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 99.11 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1602,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1602\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 66.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1603,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1603\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.69 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1604,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1604\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.21 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1605,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 112.71 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1605\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.86 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1606,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 226.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1606\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 61.8 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1607,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 226.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1607\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 82.38 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1608,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 226.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1608\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1609,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 111.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1609\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.35 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1610,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 111.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1610\nTitle: \"[How to quit smoking most effectively, 10 best ways to quit smoking! ]\"\nSummary: \"It turns out that water is a great medicine for quitting smoking. When you feel hungry or want to smoke, drink a glass of water slowly. Nicotine replacement therapy If behavioral therapy alone is difficult to promote smoking cessation, nicotine replacement therapy or non-nicotine drug therapy often helps...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.14 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1611,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 482.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 111.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1611\nTitle: \"What is the most effective way to quit smoking?\"\nSummary: \"It does not require smokers to persevere for too long. The other two most effective ways to quit smoking are actually well known to everyone. That is 1. Appropriately reward smokers. In the process of quitting smoking, for every small victory achieved, smokers can give...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1612,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 119.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1612\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.62 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1613,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 119.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1613\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.32 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1614,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 119.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1614\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1615,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 50.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1615\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 26.21 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1616,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1616\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.86 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1617,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 251.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1617\nTitle: \"How much does Google Glass cost?\"\nSummary: \"If you look closely, you will know the difference. How much does Google Glass cost now? Where can I buy it? A few days ago, there was a limited sale, the price was $1,500. And it was only sold in the United States. And it was only sold for one day. So there is no place to sell it now, of course...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.94 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1618,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1618\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively. This is higher than the price when it was first launched in Hong Kong. According to the price information on Apple's Hong Kong official website, the price of iPhone 6 starts at 5588 Hong Kong dollars (16GB), which is about 4424 yuan; the price of 64GB...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.13 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1619,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 44.67 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1619\nTitle: \"How much is the iPhone 5S iPhone 6 in Hong Kong? - Hong Kong - 16 Fan\"\nSummary: \"[Shopping] How much is the iPhone 5S and iPhone 6 in Hong Kong? I will be going to Hong Kong next week. I wonder what the current prices of iPhone 5s and iPhone 6 are. Can I check the prices on Apple's Hong Kong official website? How to post pictures? When I went to buy a few days ago, I saw the price...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.44 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1620,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 52.46 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1620\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"iPhone 6 on sale at 4698 yuan [Xiamen] Apple 6 16G gold version priced at 4800 yuan Daily market: iPhone 6 on sale at 4799 yuan again iPhone 6 on sale at 300 yuan off, three colors at the same price of 4988 yuan Peak showdown: Samsung Note4\/iPhone6...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1621,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1621\nTitle: \"\u3010iphone6 \u200b\u200bHong Kong official website\u3011_iphone6 \u200b\u200bHong Kong official website pictures_price_Yitao.com\"\nSummary: \"Yitao.com provides you with high-quality iphone6 \u200b\u200bHong Kong official website quotes, iphone6 \u200b\u200bHong Kong official website related information, iphone6 \u200b\u200bHong Kong official website latest pictures, iphone6 \u200b\u200bHong Kong official website advantages and disadvantages, whether it is good or not, how it is, and other user reviews, providing you with the most...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1622,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1622\nTitle: \"What is the price of iPhone 6 in Hong Kong? - Zhongguancun Online Mobile Forum\"\nSummary: \"What is the price of iPhone 6 in Hong Kong? How much cheaper than the memory? Related recommendations Personal signature: None Share to: Level: Lv.7 Experience: 20492 1st floor According to past rules, the price of Apple Hong Kong version is 600 yuan cheaper than the memory, about 4500 yuan Ctrl+...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1623,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1623\nTitle: \"Does anyone know how much the iPhone 6 costs in Hong Kong?\"\nSummary: \"Mobile client Download Home in Shenzhen APP 238 | Ask Does anyone know how much the iPhone 6 costs in Hong Kong? Xiao Qie Zi 5799 Add attention Coins: - Level: - Points: - Registration time: - Xiao Qie Zi 5799 Questioner 2017-05-05 11:00:40 From...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1624,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 132.28 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1624\nTitle: \"iPhone 6 Hong Kong launch time iPhone 6 Hong Kong price\"\nSummary: \"Meilele Encyclopedia provides you with encyclopedia information on various digital products such as iPhone, including the launch time of iPhone 6 in Hong Kong and the price of iPhone 6 in Hong Kong, as well as many other related knowledge about Canon cameras. If you want to know more about the iPhone 6 fragrance in digital electronic products...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1625,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 84.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1625\nTitle: \"Can I bring back the iPhone 6 I bought from Hong Kong to the mainland? How many iPhone 6s can I bring back to the mainland if I buy them from Hong Kong?\"\nSummary: \"Can I buy an iPhone 6 from Hong Kong and bring it back to the mainland? Of course you can, but everyone throws away the packaging box. 1: Normally send it by express delivery. Hong Kong cannot express electronic products to the mainland. You know the tariff issue. Unless you declare...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1626,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 84.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1626\nTitle: \"How much is the tariff for sending a mobile phone directly from Hong Kong to the mainland? - iPhone 6 comprehensive discussion...\"\nSummary: \"I plan to travel to Hong Kong during the National Day holiday and bring a few phones to my friends. It's troublesome to go through customs, so I just send them to their homes by SF Express in Hong Kong. In this case, will they be taxed? How much is the tax? Does anyone know? If I don't send by express, I'm afraid that ... ...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1627,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 brought back to the mainland from Hong Kong\"\nQuery Dwell Time: 84.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1627\nTitle: \"If I bring an iPhone 6 bought in Hong Kong back to the mainland, will it be checked or confiscated by customs? - _New Knowledge Information\"\nSummary: \"Can I bring an iPhone 6 bought in Canada back to China for use? ...Hello, it needs to be unlocked when I return to China. My relative brought it back from the United States, and I had to unlock it before I could use it. Can I bring an iPhone 6 bought from Hong Kong back to China without unpacking it? ...Yes, without unpacking it...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.44 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1628,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 42.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1628\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to official confirmation from China Mobile, the licensed iPhone 6 purchased in mainland China and the Hong Kong version purchased in Hong Kong all support China Mobile's 4G network (TD-LTE standard). The release of iPhone 6 is a perfect 4G network coverage...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1629,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Unicom\"\nQuery Dwell Time: 36.42 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1629\nTitle: \"Hong Kong iPhone 6 network specifications revealed, confirmed to support China Unicom 4G - 265G iPhone Channel\"\nSummary: \"Hong Kong iPhone 6 network standard exposed, confirmed to support China Unicom 4G iPhone 6 and iPhone 6 Plus officially launched today. As one of the important first launch regions in Asia, Hong Kong has a strong presence in mainland China.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1630,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecom\"\nQuery Dwell Time: 43.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1630\nTitle: \"Can you tell me if the Hong Kong version of iPhone 6 supports telecom cards?_Computer network issues_Tubatu ask\"\nSummary: \"Tubatu Decoration Q&A platform provides netizens with various questions and answers. Tubatu Decoration Q&A gathers the decoration experience and wisdom of 6 million owners, and quickly solves decoration confusion\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1631,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecom\"\nQuery Dwell Time: 43.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1631\nTitle: \"Apple iPhone 6 16GB Telecom version 4G parameters, configuration, functions, performance, differences from other models -...\"\nSummary: \"The important parameters of Apple iPhone 6 16GB Telecom version 4G mobile phone on Pcpop.com are: Telecom 4G, Telecom 3G, 4.3-5.2 inches, Apple iOS, 16GB, silver, other, fingerprint recognition. For more detailed parameters, please visit Pcpop.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1632,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 530.11 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 Telecom\"\nQuery Dwell Time: 43.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1632\nTitle: \"Does the Hong Kong version of the iPhone 6 support China Telecom? - Hong Kong - 16fan\"\nSummary: \"It is not supported. Maybe there will be a module for Telecom after jailbreaking!!! It is said on the Internet that this model A1586 should support all networks, but there is no Telecom operator in Hong Kong, so the Hong Kong version has Telecom removed. I don't know if it is supported on the Internet...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1633,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 192.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 118.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1633\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.43 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1634,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 192.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 118.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1634\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 89.21 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1635,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 192.19 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 44.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1635\nTitle: \"How to get to No. 30 Shuangqing Road, opposite the East Campus of Tsinghua University (near Wudaokou), Chenming Swimming Pool...\"\nSummary: \"No. 30 Shuangqing Road, opposite to the East Sports Ground of Tsinghua University (near Wudaokou) 010-62792475 Transportation: Special 4, Special 6, Sports... Introduction: Chenming Swimming Pool: Inheriting history, Olympic quality Comments on Chenming Swimming Pool Water quality 4 (very good) Environment 4 (...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.75 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1636,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 563.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1636\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.36 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1637,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 84.0 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1637\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.24 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1638,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 84.0 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1638\nTitle: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service-Strategy.net\"\nSummary: \"According to Hong Kong media reports, military sources revealed that due to problems with parts that need to be repaired, the aircraft carrier will not be in its original... These helicopters are enough to equip two aircraft carrier formations. Although the J-15 is developed based on the Russian Su-33 carrier-based fighter...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.92 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1639,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1639\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1640,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1640\nTitle: \"Liaoning travels to another world review - Liaoning travels to another world - historical fiction - Liaoning travels to another world...\"\nSummary: \"Even in reality, even at this moment, the Liaoning is undoubtedly full of experts, and you are not short of talent. I suggest you give everyone an overall plan, at least the fleet size configuration and ammunition replenishment should be explained. Chapter 37 Maritime Air Defense ...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.46 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1641,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1641\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1642,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 70.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1642\nTitle: \"Liaoning Liaoning's maiden voyage returns with a hidden mystery: the United States and Russia reveal a major discovery The new look of the Liaoning...\"\nSummary: \"WriterFrom:221.8.249.*The return of Liaoning from its maiden voyage is full of mysteries: the US and Russia revealed a major discovery. A new look for the Liaoning flight deck? History is definitely not a dream (photo), Ta Kung Pao, October 31st. The Chinese aircraft carrier Liaoning docked at Liaoning on the 30th...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.42 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1643,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Purpose\"\nQuery Dwell Time: 153.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1643\nTitle: \"China Four aircraft carrier battle groups from the United States, Japan and the United Kingdom gathered in the South China Sea, and the strategic purpose caused panic in China: China's J-11...\"\nSummary: \"Some experts also said that it was a demonstration of China's establishment of the East China Sea Air Defense Identification Zone. The Liaoning was just a training ship... Title: \"Four aircraft carrier battle groups from the United States, Japan and the United Kingdom gathered in the South China Sea, and the strategic purpose caused panic in China\" Address: http:\/\/ido.3mt....\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1644,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Purpose\"\nQuery Dwell Time: 153.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1644\nTitle: \"What is the Liaoning's \"cross-sea exercise\" hiding?\"\nSummary: \"December 5, 2013 - This is quite similar to the Maneuver-5 military exercise that ended in early November and the first exposure of China. Based on my personal understanding, I will discuss with readers the strategic purpose of cross-sea exercises. It is well known that China's \"Liaoning\" aircraft carrier is a training ship...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.08 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1645,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Purpose\"\nQuery Dwell Time: 153.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1645\nTitle: \"China Civil Aviation News Electronic Edition - Page 06: Political and Economic Focus\"\nSummary: \"The most fundamental purpose of the Liaoning is undoubtedly to force the United States to use far more force than before to achieve similar goals, and gradually push this trend to...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1646,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 110.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1646\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"The Liaoning played a role in resolving the Diaoyu Islands dispute, but not as much as many people imagined. China has finally completed its settlement of the dispute over the Wa... From this point of view, China's \"institutional advantage\" is no longer an advantage, but rather a disadvantage - China's existing system...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 72.39 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1647,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Information about China's first aircraft carrier Liaoning\"\nQuery Dwell Time: 48.33 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1647\nTitle: \"\"First Time\" Two Sessions Liaoning: \"Strengthening advantages to make up for shortcomings\" Liaoning's tourism industry enters a new era...\"\nSummary: \"January 20, 2017 - Scan the QR code on WeChat and share to your friends circle 0 \"First Time\" Two Sessions Liaoning: \"Strengthening advantages to make up for shortcomings\" Liaoning's tourism industry enters a new era Tags: First Time Introduction: Two Sessions Liaoning: \"Strengthening advantages to make up for shortcomings\" ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.32 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1648,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 89.33 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1648\nTitle: \"One of the most important combat positions on the Chinese Navy's Liaoning aircraft carrier is almost identical to the US military's organization and control_Point...\"\nSummary: \"When the Liaoning aircraft carrier was modified, the command cabin was retained and an open-air LSO combat position was set up in the small space behind the cabin. Therefore, it has an inherent disadvantage. I hope this situation will be improved on the domestically built 001A aircraft carrier under construction. Picture and text:...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 30.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1649,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 89.33 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1649\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"The disadvantages of Charles de Gaulle will lead to a crushing victory. The most influential military forum - Super Base Military Forum welcomes you! Aloof from the world, tolerance is greatness. From the perspective of the aircraft carrier itself, Charles de Gaulle is better than Liaoning. From the perspective of the new aircraft carrier itself, the Liaoning is stronger...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 39.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1650,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 95.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1650\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.09 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1651,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 95.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1651\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1652,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 95.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1652\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.09 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1653,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1653\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.65 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1654,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1654\nTitle: \"\u3010National Day Beijing Tour\u30112017 National Day Beijing Tour Location Recommendations, National Day Beijing Tour Guide...\"\nSummary: \"Friends who are in Beijing or planning to visit Beijing must want to know where to go for National Day tours in Beijing? Are there any detailed recommendations for places to visit in Beijing during the National Day? Below is a summary of places to visit in Beijing during the National Day...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1655,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1655\nTitle: \"Recommended places around Beijing_Beijing tourist attractions_Beijing surrounding attractions recommended_best routes_Beijing surrounding...\"\nSummary: \"Recommended places around Beijing, good places to go around Beijing, recommended tourist attractions around Beijing. A good place to relieve stress, team building, family fun, and couples vacation.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 130.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1656,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 259.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 246.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1656\nTitle: \"Travel around Beijing in October, good places to visit around Beijing in October - Mafengwo\"\nSummary: \"There is a 7-day holiday during the National Day holiday. You don\u2019t have to go out and add to the \u201ctraffic jam\u201d during this golden tourist season. There are beautiful scenery waiting for you around Beijing. The editor will immediately list the good places to visit in Beijing in the golden autumn. Let\u2019s travel around Beijing during the National Day holiday! [October...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1657,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear Bicycle\"\nQuery Dwell Time: 53.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1657\nTitle: \"Where to buy a fixed gear bike in Beijing? - Zhihu\"\nSummary: \"I also know that there is a fixed gear shop at the west gate of Tsinghua University. The price is very cheap, but the quality is more like a \"toy\". Don't take risks with it if you want to do something challenging.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1658,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1658\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle. Highlights: 0 posts Registered: April 29, 2010 Many bike shops have them, but fixed gear bikes are not safe, remember to wear a helmet when riding~ Highlights: 1 post Registered: February 2012...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.36 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1659,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1659\nTitle: \"\u3010Beijing midnight fixed gear purchase department\u3011Group purchase, address, phone number, business hours - Dianping.com\"\nSummary: \"All branches of \"Beijing midnight fixed gear purchase department\" Midnight fixed gear purchase department Sports stadium | Hongcheng Garden, Shimen, Shunyi District (Exit A of Shimen Subway Station and head west! Get off at the Social Education Center and head west) Arirang_3991: It's fucking ok, I tried it for a while...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.62 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1660,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1660\nTitle: \"Does anyone know where to buy fixed gear in Beijing? | Q&A\"\nSummary: \"Does anyone know where to buy fixed gear bikes in Beijing? What is orxy oryx oryx? The name of the store. Where can I buy fixed gear bikes in Beijing? Does anyone know where to buy fixed gear bikes in Tongzhou, Beijing? Does anyone know where to buy reliable fixed gear bikes in Beijing? Does anyone know where to buy fixed gear bikes in Beijing?\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1661,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1661\nTitle: \"[Photo] Beijing Fixed Gear Shop Beijing Fixed Gear Shop Create a new DIY fixed gear - Dongcheng bicycle\/electric vehicle...\"\nSummary: \"Beijing Fixed Gear Shop Beijing Fixed Gear Shop Create a brand new DIY fixed gear, Beijing Fixed Gear Shop, Beijing's newly opened fixed gear shop. Grand opening promotion: Any boss who buys two or more fixed gears can be considered a group purchase, all items are 95% off and free headlights. Goods, colors...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.52 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1662,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1662\nTitle: \"All reviews of the Zero Point Fixed Gear Purchase Department - Beijing - Dianping.com\"\nSummary: \"All reviews by users of Dianping.com about Beijing Zero Hour Fixed Gear Purchase Department.\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.27 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1663,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to buy fixed gear in Beijing\"\nQuery Dwell Time: 135.11 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1663\nTitle: \"Are there any simple bicycles like fixed gear, but cheaper? I saw several in Beijing yesterday...\"\nSummary: \"I use both fixed and live bikes. I can buy them in Beijing at natooke and orxy. I want to ask if there are small fixed bikes. Are there simple bikes like fixed bikes, but cheaper? I saw several people riding those simple bikes in Beijing yesterday, as shown in the picture...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1664,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1664\nTitle: \"Dead Gear\"\nSummary: \"Lin Chengtao: Tsinghua's employment work is very effective. Professor Chen Guoquan of the School of Economics and Management: The faculty and staff meeting encouraged people to start with me...Home Tsinghua News Tsinghua Home News World News Express Academic Research Education and Teaching Enrollment and Employment Exchange and Cooperation Campus Activities ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1665,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1665\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Zhongguancun North Street, Haidian District (north of Tsinghua West Gate) Transportation Popular attractions nearby Popular food nearby Makara Fixed Gear Park * Required fields are required. China's leading free travel service platform Covering more than 200 countries and regions around the world 100,000,000 travelers...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1666,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1666\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1667,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 89.78 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1667\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 57.09 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1668,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1668\nTitle: \"\u3010Beijing Fixed Gear\u3011Group Buying, Address, Phone Number, Business Hours - Dianping.com\"\nSummary: \"More Home Improvement Stores More Foreign Language Study Artistic Interests Lifestyle Services Surrounding Facilities Commercial Services All branches of \"Beijing Fixed Gear\" are not included? Thank you very much for your support of Dianping.com. Please do not submit repeatedly. What problems did you encounter?\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.17 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1669,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1669\nTitle: \"Browsing Status-Beijing Fixed Gear-Public Homepage\"\nSummary: \"Beijing Fixed Gear: June 29th event: Party at the Black Swan Club near Tiantongyuan. Start riding at 11am, have lunch at the venue~After a break, various competitions will be held in the club. There is a venue and a track. Barbecue, drinking, and drinks in the evening. Billiards,...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.26 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1670,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1670\nTitle: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store ...\"\nSummary: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store - China's largest fixed gear online store! Dedicated to the development and promotion of China's fixed gear sports and fixed gear culture, with the concept of low-carbon environmental protection and fashionable lifestyle, we provide personalized customization of genuine fixed gear...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.76 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1671,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1671\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1672,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear\"\nQuery Dwell Time: 114.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1672\nTitle: \"Member of Beijing Fixed Gear Group\"\nSummary: \"Douban Our Spiritual Corner Scan the QR code to download directly Douban 5.0 newly released Group leader (Beijing) Administrator (Beijing) Member 1 person gathered in this group Group member search You can search for members' names, usernames, and permanent residences.\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1673,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1673\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles: Tips for Beginners | Sichuan Bicycle Suppliers Click on the image to view the larger image Product: 92 Beginners' Fixed Gear Bicycles: Tips for Beginners | Sichuan Bicycle Suppliers Unit Price: Negotiable ... 1. Before use, be sure to read the instructions and precautions first; understand its performance, and be sure to understand the structure and performance of the bicycle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.38 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1674,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1674\nTitle: \"[20 Guizhou fixed gear bicycle price What should I pay attention to when riding a fixed gear bicycle in rainy days? ] Price...\"\nSummary: \"Marco Polo Network (makepolo.com) provides relevant company introductions and product information of Shenzhen Hongxiangli Technology Co., Ltd., mainly focusing on the price of 20 Guizhou fixed gear bicycles and the precautions for riding fixed gear bicycles in rainy days? It also includes 20 Guizhou fixed gear bicycles...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1675,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1675\nTitle: \"51 Beginners learn how to use fixed gear bicycles.\"\nSummary: \"I want to tell you that beginners should pay special attention to the following 3 points when learning fixed flight: 1. Before using, be sure to read the instructions and precautions first; understand its performance, be sure to understand the structure and performance of the car, and be very familiar with the car...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1676,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note and price range for fixed gear bikes\"\nQuery Dwell Time: 101.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1676\nTitle: \"New bicycles of various brands. Second-hand bicycles that are 80% to 90% new, at affordable prices. The latest event is to...\"\nSummary: \"Types include: children's bicycles, folding bicycles, mountain bikes, regular bicycles, road racing bicycles, fixed gear bicycles, and BMX bicycles. Price range: folding bicycles 198-480, bicycles 139-398, mountain bikes 350-1000+, children's bicycles 200-400 About car rental: mountain bikes 30 per day...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1677,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1677\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Focus on fixed gear bikes and share fixed gear bike videos and fixed gear bike riding methods with fellow riders. We discuss fixed gear bike prices and... work together to create the most professional fixed gear blog in China!\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.26 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1678,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1678\nTitle: \"How much does a fixed gear bicycle cost?\"\nSummary: \"14bikeco How much does a good-looking fixed gear bike cost? How much does a fixed gear bike cost? Fixed gear bikes that can be freely assembled and matched with colors are very popular among middle school and college students. Many riders remove the brakes to pursue individuality...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1679,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1679\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Fixed Gear Bicycle related products are popular searches, providing you with prices, pictures, reviews, recommendations... providing you with an accurate search and shopping reference guide for buying fixed gear bicycles in Gome!\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.02 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1680,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1680\nTitle: \"Fixed Gear Bicycle Price and How to Buy a Fixed Gear Bicycle\"\nSummary: \"In today's fast-paced life, the functionality and practicality of fixed-gear bicycles continue to be valued. Even fixed-gear bicycles have been integrated with various design elements and remade by masters to appear in a new posture. The rigid fixed-gear bicycles are no longer...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.44 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1681,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1681\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"At this time, fixed-gear bicycle players also appeared in Beijing, Shanghai, Guangzhou and other places, but they had not been seen in Nanjing. 2008... Because the control of the bicycle is very comfortable, fixed-gear bicycles are more suitable for playing polo than ordinary bicycles. In a fixed-gear specialty store, a...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1682,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 717.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 137.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1682\nTitle: \"How much does a fixed gear bicycle cost?\"\nSummary: \"Three-wheeled fixed-gear relay race, quick inner tube change and other fun events. Competition rules & competition process 1. Bicycle polo (Detailed rules: depends on the number of people - if there are less than four groups, the group competition system is adopted; if there are more than four groups, the elimination system is adopted to advance and the champion team is selected...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1683,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 21.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight carry-on baggage regulations\"\nQuery Dwell Time: 8.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1683\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1684,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1684\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"Smoking cessation is a product specifically for men's health. The smoking cessation products sold on the official website are all genuine. Learn about smoking cessation and consult how much it costs to quit smoking. The only official channel to buy genuine smoking cessation products is safe and guaranteed. To buy genuine smoking cessation products, look for the official smoking cessation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.29 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1685,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1685\nTitle: \"China Quit Smoking Network - Let's quit smoking together on World No Tobacco Day\"\nSummary: \"China Quit Smoking Network provides smokers with methods and products to quit smoking, and teaches everyone how to quit smoking. Let's quit smoking together on Quit Smoking Day.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.13 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1686,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1686\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.86 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1687,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1687\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, how to quit smoking most effectively, how to quit smoking most effectively...quit smoking mouthpieces, quit smoking tea and other quit smoking products and quit smoking service information.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.47 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1688,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 301.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1688\nTitle: \"What are the benefits of quitting smoking? - The good news of quitting smoking has come to all people - Sohu Scroll\"\nSummary: \"In addition, the benefits of quitting smoking are already a well-known issue, which has led to China Quitting Smoking Network http:\/\/www.cnjieyan.com and Quitting Smoking Network http:\/\/www.cnjieyan.cn publishing several consecutive analyses and praises on it. There are many benefits of quitting smoking, and I hope...\"\nRank: 26\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.92 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1689,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 56.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1689\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.55 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1690,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 56.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1690\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.24 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1691,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 587.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 69.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1691\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.33 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1692,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1692\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.44 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1693,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1693\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.16 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1694,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1694\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"Home New arrivals Men's glasses Women's glasses Sunglasses Brand lenses Cosmetic contact lenses Group vouchers Series MoriDivided Black Basic Retro Horm Carbon fibre Alpha Material Sheet metal TR Plastic steel Carbon fiber Titanium frame Polymer Frame...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.08 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1695,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1695\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Smart glasses, Google Glass According to foreign media reports, Verily Life Sciences, a medical division of Google's parent company Alphabet, recently received a huge investment from Singapore's famous company Temasek. It is reported that Temasek's investment in Verily Life Sciences...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.0 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1696,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1696\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.44 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1697,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 456.75 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1697\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.2 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1698,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1698\nTitle: \"First experience with Google Glass: powerful and easy to use - Alibaba Cloud Information Network\"\nSummary: \"NetEase Technology News, April 22, according to foreign media reports, the first batch of Google Glass test versions have been delivered to users one after another. Following the unboxing videos and photos, some technology experts have also begun to publish their own usage evaluation reports.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.22 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1699,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass How it works\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1699\nTitle: \"Does anyone know how to use Google Glass? _Home Decoration | Yiqi.com Decoration\"\nSummary: \"Plug the mouse cable into the back of the base, make sure the Google Glass battery is sufficient to start the mouse, there is an ON\/OFF prompt under the mouse, flip the switch to the ON position, and make sure the base is powered, click another oval button,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.23 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1700,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 34.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1700\nTitle: \"How much does Google Glass cost?\"\nSummary: \"How much is Google Glass? Check out the price on Amazon. You can also check it on the official website. 1 Google Glass... I see many people are mocking Google Glass. Don't they know that the glasses have already been tested? Yes... Google 2012 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.45 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1701,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 648.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 34.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1701\nTitle: \"Is Google Glass officially on sale? How much does it cost? _Questions and Answers_Android Chinese Network\"\nSummary: \"Q: Is Google Glass officially on sale? How much does it cost? As early as two years ago, Google announced a pair of smart glasses: Google Glass, but this machine was only tested in a small range and has not yet been officially released to the public. There are many questions about...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1702,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 price in mainland China and Hong Kong\"\nQuery Dwell Time: 71.05 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1702\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.91 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1703,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 78.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1703\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.31 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1704,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 70.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1704\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.72 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1705,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 259.31 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 70.89 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1705\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Huafen talks about industry information Huafen Club...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports the 4G networks of the three major domestic operators\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.03 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1706,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1706\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.95 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1707,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1707\nTitle: \"[Tsinghua University Swimming Tickets | Tsinghua University Swimming Tickets Transfer Information] - Beijing 58.com\"\nSummary: \"Tsinghua University Swimming Tickets Channel provides you with Tsinghua University Swimming Tickets Inquiry and Tsinghua University Swimming Tickets Transfer Information for you to choose from. You can view and publish Tsinghua University Swimming Tickets Information and Tsinghua University Swimming Tickets Transfer Information for free. Thank you...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.47 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1708,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1708\nTitle: \"Beijing - Tsinghua University Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Swimming Pool is located at No. 30 Shuangqing Road, Tsinghua University (near Wudaokou), Tel: 010-62792475, 62792477. Sogou Map provides you with the location, map, bus query, self-driving route query, surrounding...\"\nRank: 24\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.04 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1709,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 245.74 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 184.61 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1709\nTitle: \"Tsinghua University Swimming Pool - [Hot Word Recommendation - Renren]\"\nSummary: \"Every Sunday at noon, students from the Medical Research Class 09 actively participate in swimming exercises in the swimming pool of Tsinghua University. Swimming can effectively relieve pain in the cervical spine, lumbar spine and joints. Persistent exercise can improve the respiratory system, blood circulation system...\"\nRank: 30\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1710,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 65.38 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1710\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.55 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1711,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1711\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.37 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1712,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1712\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The significance of the construction of the Liaoning aircraft carrier Liaoning aircraft carrier, referred to as \"Liaoning\", hull number 16, is the Chinese people's... China's naval strategy for offshore defense has not changed. The Chinese people's navy has become stronger. The significance of the construction of the Liaoning aircraft carrier... Introduction to the Liaoning and...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1713,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1713\nTitle: \"Major's Commentary: Uncovering the Great Strategic Significance of Liaoning's Stationing in Qingdao\"\nSummary: \"Major's Commentary: Revealing the Great Strategic Significance of Liaoning's Stationing in Qingdao Brief Commentary: Peng Tinghua As we all know, the construction of China's aircraft carrier home port is not only in Qingdao, but also in Zhanjiang, Guangdong and Sanya, Hainan.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.37 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1714,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 70.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1714\nTitle: \"The commissioning of the Liaoning reflects five strategic significances [Jiangchuan Farm Hangzhou Youth Bar]_Baidu Post Bar\"\nSummary: \"The commissioning of the Liaoning reflects the five... \"Yellow Water Navy\" turns to \"Blue Water Navy\" Yesterday, China's first aircraft carrier, the Liaoning, was officially handed over and commissioned. Military experts pointed out that the commissioning of the Liaoning is an important starting point for the Chinese Navy to go to the ocean, and will...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1715,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with foreign aircraft carriers\"\nQuery Dwell Time: 58.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1715\nTitle: \"Compared with the Liaoning aircraft carrier, what are the advantages and disadvantages of the Vikrant aircraft carrier? - Zhihu\"\nSummary: \"In the future, we can still have a numerical advantage. The second point is that the displacement of the Liaoning (fully loaded) is nearly 70,000 tons, which is actually the upper limit of medium-sized aircraft carriers and the threshold of heavy (super) aircraft carriers. The deck area is large, although the hangar volume is limited (first...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1716,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with foreign aircraft carriers\"\nQuery Dwell Time: 58.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1716\nTitle: \"...Compared with the USS Ford, the Chinese Liaoning is too weak. The US military is building a new generation of aircraft carriers that are considered \"representatives...\"\nSummary: \"The US military is building a new generation of aircraft carriers, which is considered to have an unshakable advantage in terms of \"generation gap\". The recently launched USS Ford aircraft carrier can be loaded with nuclear fuel for 50 years until it is retired, and no more fuel is needed for the Liaoning aircraft carrier. Each time it is refueled, it will be nearly...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.21 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1717,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 241.03 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"The advantages and disadvantages of Liaoning compared with foreign aircraft carriers\"\nQuery Dwell Time: 58.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1717\nTitle: \"Does Liaoning have any advantages over Kitty Hawk? -Navy Edition-Super Base Military Forum-The most influential...\"\nSummary: \"The Russians have been playing with aircraft carriers for so many years and have not found the essence of it. The most influential military forum - Super Base Military Forum welcomes you! Stand out from the world, and be tolerant. There are definitely advantages, such as fewer crew members, more fuel-efficient, and low costs. The most influential military... Stand out from the world, and be tolerant. It is no exaggeration to say that it cannot be defeated. After all, Kitty Hawk is also the ultimate version of conventional-powered aircraft carriers,...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1718,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 192.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 182.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1718\nTitle: \"Team Ice Breaking Game - Calling by Name Gameplay Introduction_Ceba.com: College Student Activity Planning Book Network - College Student...\"\nSummary: \"Game Name: Call each other by name Game Type: Team game, icebreaker Game Overview: This game is mainly used to help everyone remember each other's names. Game Purpose: Help everyone remember each other's names. Game Time: 10~15 minutes Number of people...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 87.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1719,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 192.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 182.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1719\nTitle: \"How to play the team icebreaker game \"Two Dollars\"\"\nSummary: \"How to play the team ice-breaking game \"Two Yuan\": 1 yuan; if the proportion of girls is much greater than that of boys, girls will be \"1 yuan\" and boys will be \"2 yuan\". 2. According to the amount of money said by the trainer, all trainees will form the corresponding number,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1720,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 192.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 182.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1720\nTitle: \"Icebreaker game - getting to know each other\"\nSummary: \"Author: Hai Tianxing Article source: Original from this site Hits: Please indicate the source for reprinting a. \u4f17\u5961 M \u4ed6 Number of people: less than 20 people Equipment: paper & pen How to play: 1) Prepare a slip of paper with the names of the players, and ask each participant to draw a slip with someone else's name...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1721,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 115.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1721\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Based on a reasonable classification system of business districts, landmarks and surrounding tour merchants, we provide you with 6722 surrounding tour merchants in Beijing, and aggregate reviews from a large number of personal consumers, allowing you to choose based on various rating and star standards.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.24 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1722,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 115.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1722\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1723,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Tours\"\nQuery Dwell Time: 115.67 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1723\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Where is Donghouding? Travel guide from Beijing to Donghouding Travel guide to Beijing's surrounding areas Travel guide to Hebei Zhengding Ancient City Where to go in Hebei in winter Visit ancient buildings in Handan City Experience rural travel Travel guide to Shexian County, Hebei Explore the glass plank road of Baishishan Mountain in Baoding Travel guide to Yanmenguan in Daixian County, Shanxi...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.06 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1724,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1724\nTitle: \"Beijing self-guided tour guide, best route recommendation_Beijing travel guide\"\nSummary: \"In Beijing, a world-class cultural and tourist destination, there are tens of thousands of hotels. Many people are struggling to find a hotel that suits them. When choosing a hotel, the most important thing to consider is its location, price, room decoration and service. The following are recommended...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 252.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1725,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1725\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Beijing Travel Guide 2017 collects Beijing free travel guides, including Beijing snack guides, Beijing shopping guides, Beijing accommodation guides, etc., as well as popular Beijing Great Wall tours and Beijing Happy Valley guides\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1726,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1726\nTitle: \"Beijing Travel Notes, Beijing Self-guided Tour Notes, Beijing Travel Guide - Mafengwo\"\nSummary: \"Beijing Travel Notes is the latest Beijing self-guided tour notes written by travelers who have been to Beijing. It records the tourist attractions, customs and practices during the trip to Beijing. For more Beijing travel notes and Beijing travel guides, please visit Mafengwo Travel Guide Network.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 125.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1727,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 671.48 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Travel Guide\"\nQuery Dwell Time: 502.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1727\nTitle: \"Beijing Travel Guide_Beijing Tourism Guide_Self-guided Tour Guide_Qunar Guide Community\"\nSummary: \"Beijing travel guide, Beijing travel guide\/self-guided tour guide. Qunar travel guide community provides travel guide production, sharing, and downloading. The guide contains information on attractions, food, hotels, shopping, transportation, etc., personally experienced travel routes, local practical information...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 75.25 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1728,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Forum\"\nQuery Dwell Time: 84.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1728\nTitle: \"Rental housing [Tsinghua University Bar]_Baidu Post Bar\"\nSummary: \"15701630857 No agency fee, no deposit, just rent, a great house that you can rest assured about. Only for girls, in the staff building of the University of Geosciences, super convenient, suitable for postgraduate entrance exams \u2299\u2200\u2299! See the house and discuss the price, \ud83d\ude18 girls, girls girls, others please do not disturb\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1729,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Forum\"\nQuery Dwell Time: 84.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1729\nTitle: \"Tsinghua University Post Bar Home Page_One point network TSINGHUA campus website home page Tsinghua\"\nSummary: \"China University of Petroleum (Beijing) Forum University of International Business and Economics Forum Beijing Xihua International Business and Economics Vocational College Forum China University of Mining and Technology (Beijing) Academic Affairs Office Beijing Agricultural Vocational College Academic Affairs Office Beijing Dongcheng District Workers' Amateur University Academic Affairs Office China...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.91 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1730,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Salted Fish\"\nQuery Dwell Time: 172.13 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1730\nTitle: \"Xianyu. Taobao Second-hand - Sell your unused items easily and buy second-hand items with confidence\"\nSummary: \"Want to temporarily say goodbye to the monotonous life and embark on a journey without a destination? Remember to bring your favorite headphones and music in your luggage. With them, you will not be lonely along the way. The invention of the mouse is one of the most important events in the 50 years since the birth of computers...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 135.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1731,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tmall\"\nQuery Dwell Time: 248.06 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1731\nTitle: \"Tmall - Buy on Tmall\"\nSummary: \"Legal Statement and Privacy Policy Wenwangwen [2010] No. 040 Mobile Taobao Mobile Tmall Return to QR code login Free registration Alibaba Group Alibaba International Station Alibaba China Station AliExpress Taobao Tmall Juhuasuan Yitao Alimama...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 230.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1732,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"58.com\"\nQuery Dwell Time: 73.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1732\nTitle: \"\u301058.com\u3011Tongliao classified information - local free and efficient\"\nSummary: \"58 Tongliao classified information network provides you with a large amount of classified information such as real estate, recruitment, yellow pages, group buying, dating, second-hand, pets, vehicles, surrounding tours, etc., fully meeting your needs for free viewing\/posting information. Tongliao 58 Tongliao, professional classified...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1733,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 128.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1733\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.55 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1734,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1061.17 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 128.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1734\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling form of track bicycle competition, called \"racing wheel\", in China... Playing \"Fixed Gear\" mainly relies on feet to control the forward and backward movement of the bicycle, and you can also perform many fancy moves, which is fun...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 52.57 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1735,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 49.9 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Flight Baggage Tips\"\nQuery Dwell Time: 36.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1735\nTitle: \"International Flight Baggage Information\"\nSummary: \"People generally need to carry a lot of luggage when taking international flights, and different airlines have different regulations on luggage. Therefore, it is necessary to check the relevant regulations when booking tickets and preparing luggage, especially the number of pieces of luggage, size, etc.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1736,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 256.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1736\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 74.64 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1737,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 256.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1737\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 137.1 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1738,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 282.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1738\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 137.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1739,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 282.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1739\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.12 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1740,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 282.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1740\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.34 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1741,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 119.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1741\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.3 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1742,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 743.39 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 119.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1742\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many ways to quit smoking, and the following are some recommended. Some patients experience phlegm and dry throat after quitting smoking. A large number of clinical research results have confirmed that the more obvious this abnormal feeling is after treatment, the more...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.2 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1743,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1743\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.73 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1744,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1744\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.42 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1745,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1745\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.9 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1746,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1746\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.08 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1747,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1747\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.03 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1748,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1748\nTitle: \"Google Glass - How is Google Glass? How does Google smart glasses connect to the Internet? Google Glass...\"\nSummary: \"Google Glass We are working hard to load it for you... [Google Glass No. 1] Sold: 0 pieces Price: 338.00 yuan [Google Glass No. 2] Sold: 0 pieces Price: 328.00 yuan [Google Glass No. 3] Sold: 0 pieces Price: 338.00 yuan ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.74 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1749,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 212.46 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 204.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1749\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1750,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 445.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Apple Hong Kong\"\nQuery Dwell Time: 50.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1750\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1751,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 445.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone in Hong Kong?\"\nQuery Dwell Time: 98.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1751\nTitle: \"Do I need to pay tax if I buy an iPhone in Hong Kong? - _Express Review Network\"\nSummary: \"According to customs regulations, no customs duties are required. 2. If the value of the mobile phone you purchased in Hong Kong exceeds RMB 5,000: (1) Cameras and camcorders with a unit price of more than RMB 5,000 that need to be brought into the country 1. As long as you purchased it in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.81 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1752,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 136.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 70.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1752\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space Personal information Blog age: 6 years and 3 months Visits: ? times Articles: 62 articles Blogger's latest articles Log text Category: blog | Tags: Tsinghua University Chen Ming Swimming Pool Charge Standard Opening Hours ...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.97 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1753,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 181.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 74.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1753\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.9 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1754,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 181.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baidu Encyclopedia\"\nQuery Dwell Time: 75.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1754\nTitle: \"Baidu Encyclopedia_The world's largest Chinese encyclopedia\"\nSummary: \"Baidu Encyclopedia is an open and free online encyclopedia that aims to create a Chinese knowledge encyclopedia covering all fields of knowledge and serving all Internet users. Here you can participate in the editing of entries and share your knowledge. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1755,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 181.45 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baidu Encyclopedia\"\nQuery Dwell Time: 75.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1755\nTitle: \"Baidu Encyclopedia_The world's largest Chinese encyclopedia\"\nSummary: \"Baidu Encyclopedia is an open and free online encyclopedia that aims to create a Chinese knowledge encyclopedia covering all fields of knowledge and serving all Internet users. Here you can participate in the editing of entries and share your knowledge. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1756,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 241.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 236.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1756\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 228.69 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1757,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 237.63 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing\"\nQuery Dwell Time: 224.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1757\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where to have fun in Beijing, what fun places are there in Beijing, and tourist attractions around Beijing, all on Beijing Xialu.com. ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1758,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 237.63 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing\"\nQuery Dwell Time: 224.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1758\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1759,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 237.63 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing\"\nQuery Dwell Time: 224.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1759\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1760,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle\"\nQuery Dwell Time: 60.82 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1760\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.33 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1761,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where can I buy a fixed gear bicycle in Beijing?\"\nQuery Dwell Time: 56.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1761\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle. Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 34.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1762,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"JD Fixed Gear Bicycle\"\nQuery Dwell Time: 213.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1762\nTitle: \"Jingdong delivery fixed gear bicycle 26 inches 30\/40\/60 rims coaster brake bicycle student men and women road bicycle...\"\nSummary: \"JD.com delivers fixed gear bicycle 26 inches 30\/40\/60 rims coaster brake bicycle student men and women road bicycle with replaceable solid tires 30 rims Bianchi pink 26 inches coaster brake solid tire model: a good shopping experience, good quality and low price, my son likes it.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 77.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1763,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"JD Fixed Gear Bicycle\"\nQuery Dwell Time: 213.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1763\nTitle: \"Some \"fixed gear\" bicycles pose serious safety hazards_China Economic Net - National Economic Portal\"\nSummary: \"Acquisition of Taoqi stalls to quickly enter JD.com's automotive aftermarket business officially launched \"China's Resident Consumption Upgrade Index Report\" shows... Our reporter Yang Lei Not long ago, a case sentenced by the People's Court of Changshan County, Quzhou City, Zhejiang Province once again put \"fixed gear\" bicycles...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 103.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1764,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 484.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Bicycle Sales Point\"\nQuery Dwell Time: 73.58 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1764\nTitle: \"Is there a place selling bicycles near the east gate of Tsinghua University? - Ask Knowledge\"\nSummary: \"Is there a place selling bicycles near the east gate of Tsinghua University? All answers (2 answers in total) Come out of the east gate of Tsinghua University and walk towards Chengfu Road. There is one on the left. Go out of the west gate of Tsinghua University and walk towards the vicinity of Tsinghua University.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1765,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 141.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 130.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1765\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1766,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 141.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 130.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1766\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Regulations on liquids in checked baggage on international flights: Items not allowed as checked baggage or in checked baggage The following items are not suitable for transportation due to the following reasons: Due to the dangerousness and unsafe nature of the items... Requirements for taking liquids on board an airplane...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.36 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1767,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 141.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage regulations\"\nQuery Dwell Time: 130.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1767\nTitle: \"What are the requirements for checked baggage on international flights?\"\nSummary: \"Baidu Experience: jingyan.baidu.com Airlines' regulations on baggage: For domestic flights, each passenger's free baggage allowance (including checked and hand luggage) is: 20 kg for economy class passengers, 30 kg for business class passengers, and 30 kg for first class passengers.\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1768,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 19.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1768\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.89 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1769,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 70.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1769\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.89 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1770,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 70.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1770\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.69 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1771,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 101.99 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 70.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1771\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1772,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1772\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.05 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1773,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1773\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.6 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1774,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1774\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.25 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1775,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 118.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1775\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.24 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1776,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1776\nTitle: \"Google Glass user experience: too flashy, limited use cases - Sohu News\"\nSummary: \"May 6, 2014 -Using Google Glass means being prepared to be watched at any time. On a more pessimistic note, although it is relatively rare, cases of people getting into trouble because of using Google Glass have occasionally appeared in the newspapers. However, since the author wants to...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 101.39 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1777,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1777\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"At the same time, press the button on the front of the base to synchronize, so that your Google Glass can be used wirelessly. Attachment: Please make sure that the mouse is at a suitable distance from the power base and there is no strong electromagnetic interference nearby. (2017-11-...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.42 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1778,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1778\nTitle: \"Google Glass official user guide released - CSDN Blog\"\nSummary: \"Therefore, Google recently released a guide to using the device for Google Glass explorers: What you can or need to do is: 1) Explore the world around you: When you wear Google Glass to explore the world around you, keep your head up and never look down...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1779,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 335.49 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 192.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1779\nTitle: \"The correct way to use Google Glass - HD video - iQIYI\"\nSummary: \"The correct use of Google Glass is a quasi-HD video with clear images and smooth playback. Release time: 2013-12-24. Video description: The correct use of Google Glass.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.25 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1780,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6\"\nQuery Dwell Time: 90.98 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1780\nTitle: \"iPhone6 - Wikipedia\"\nSummary: \"TheiPhone 6andiPhone 6Plus are smartphones designed and marketed by Apple Inc. The devices are part of the iPhone series and were announced on September 9, 2014, and released on September 19, 2014. TheiPhone 6andiPhone 6Plus jointly serve as successors to the iPhone 5S and were themselves replaced ...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1781,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in China\"\nQuery Dwell Time: 40.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1781\nTitle: \"iPhone 6 will be launched in mainland China on the 17th of this month, with a starting price of 5,288 yuan\"\nSummary: \"October 1, 2014 - Apple announced on the afternoon of September 30 that the iPhone 6 will be available in mainland China on October 17, with a minimum price of 5,288 yuan. On the same morning, the Ministry of Industry and Information Technology announced that it had issued a license to iPhone 6 and iPhone 6 Plus manufacturers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1782,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Price in Hong Kong\"\nQuery Dwell Time: 60.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1782\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively. This is higher than the price when it was first launched in Hong Kong. According to the price information on Apple's Hong Kong official website, the price of iPhone 6 starts at 5588 Hong Kong dollars (16GB), which is about 4424 yuan; the price of 64GB...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1783,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version purchasing\"\nQuery Dwell Time: 95.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1783\nTitle: \"iPhone6 \u200b\u200bHong Kong version purchasing [multiple pictures]_price_picture - Tmall selection\"\nSummary: \"Tmall selected iphone6 \u200b\u200bHong Kong version purchasing special topic, we selected 38 products related to iphone6 \u200b\u200bHong Kong version purchasing for you based on price, evaluation and sales volume\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.95 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1784,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong version purchasing\"\nQuery Dwell Time: 95.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1784\nTitle: \"iPhone6 \u200b\u200bpurchasing agent Hong Kong version of iPhone6 \u200b\u200bhow to buy purchase channels summary 18183 iPhone game channel\"\nSummary: \"A summary of how to buy the Hong Kong version of iPhone 6. In this article, the editor brings you a summary of how to buy the Hong Kong version of iPhone 6.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 47.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1785,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 390.68 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 49.87 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1785\nTitle: \"Do the Hong Kong iPhone 6 and 6P support 3G and 4G of the three mainland operators? - Zhihu\"\nSummary: \"Show all Followers Add a comment Share Invite to answer Follow the question Write an answer There is no iPhone 6\/6P available in Hong Kong, but based on the current information, the situation is not very optimistic. Model A1549\/1522 (GSM) supports China Mobile and China Unicom 2G, China Unicom 3G,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.82 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1786,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1786\nTitle: \"Tsinghua University Map - Earth Online\"\nSummary: \"Satellite map of Tsinghua University, Tsinghua University (Tsinghua University), a comprehensive university in China, is located in Tsinghua Park, Haidian District, Beijing. Tsinghua University currently has more than 7,800 faculty and staff, including 34 academicians of the Chinese Academy of Sciences and academicians of the Chinese Academy of Engineering...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 90.33 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1787,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1787\nTitle: \"Beijing Tsinghua University satellite map_Beijing Tsinghua University attractions map_Beijing Tsinghua University tourist map\"\nSummary: \"Tsinghua University is the highest institution of learning in China, located in a prosperous garden area in the northwest suburbs of Beijing. The Qingyuan Garden is full of beautiful trees and clear water... (Includes 21 attractions) The Second Gate of Tsinghua University in Beijing, the Second Gate is a classical and elegant three-arch \"archway\" with blue bricks, white columns...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.38 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1788,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1788\nTitle: \"Tsinghua University Campus Map_Capital Airport Forum Area\"\nSummary: \"Campus Recruitment Capital Airport Beijing Capital International Airport Co., Ltd. Industry: Transportation\/Logistics and Warehousing Enterprise Nature: Private\/Private Enterprise Enterprise Size: More than 1,000 people + Follow Lv Chaojia The following is a link to the Tsinghua University campus map Please...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1789,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Map\"\nQuery Dwell Time: 164.89 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1789\nTitle: \"Tsinghua University Map_Tsinghua University Tourist Map HD Version - CYTS Travel Network\"\nSummary: \"Interconnection Card Help Brand of CYTS (listed on A-shares 600138) Inheriting the quality of CYTS and focusing on global travel All products Tsinghua University tourist attractions Atour.com popular activities Tourist attractions Why choose Atour.com Tsinghua University map full map Tsinghua...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1790,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1790\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.69 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1791,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1791\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.7 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1792,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1792\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.56 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1793,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 157.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1793\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1794,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 618.54 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours for Students\"\nQuery Dwell Time: 62.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1794\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.55 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1795,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 120.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1795\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.31 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1796,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic role of Liaoning\"\nQuery Dwell Time: 117.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1796\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The time for submerging is limited, and the tactic of conventional submarines to attack aircraft carriers is to ambush them. According to the size of China's submarine force, if a Vietnamese submarine appeared in the channel of the Liaoning aircraft carrier and sank the aircraft carrier, the Navy Commander estimated that suicide would not be enough to atone for the crime. Vietnam...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 100.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1797,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other countries' aircraft carriers\"\nQuery Dwell Time: 83.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1797\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1798,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 398.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other countries' aircraft carriers\"\nQuery Dwell Time: 83.92 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1798\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1799,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 173.94 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to play an ice-breaking game with about ten people during new employee training\"\nQuery Dwell Time: 143.81 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1799\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"About the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, the more games the better... 1 OP Believ...... Login Register All replies (1) My replies (0) Cancel Post About Sanmao Contact me...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1800,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 128.53 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1800\nTitle: \"\u301058.com\u3011Beijing surrounding tours_Beijing surrounding tourism_Beijing surrounding tourist attractions\"\nSummary: \"Popular attractions: Duration: Tour items: Tour method: Suitable for the crowd: Price: Address: Chinese medicine has been called herbal medicine since ancient times, because more than 90% of Chinese medicine is made of plants. We have five days, seven days, ten days in Beijing, details...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1801,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"10-day tour around Beijing\"\nQuery Dwell Time: 128.53 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1801\nTitle: \"Excuse me, a friend and I are planning to travel in a province near Beijing for about ten days, and we don't know where to go...\"\nSummary: \"Please tell me, my friend and I are planning to travel in the provinces near Beijing for about ten days, but we don't know where to go. We are planning to go to Inner Mongolia and Xinjiang, but we don't know which places are fun. And we only have 2,000 yuan per person. I hope to get some advice from experts...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 57.19 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1802,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1802\nTitle: \"Wonderful Beijing attractions tour, 10 days of leisurely travel in the imperial capital. [Multiple photos]_Tiananmen Square travel notes_Tuniu\"\nSummary: \"In 2010, I went to Beijing on a tour group and was attracted by the \"high-end\" city of Beijing. Since I was with a tour group, I had to visit all the attractions in a hurry. I visited three attractions in one day and went to at least one shopping store every day. I didn't have time to take a look...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 40.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1803,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1803\nTitle: \"What are the tourist attractions around Beijing? - Travel Q&A\"\nSummary: \"I originally planned to travel in Beijing from August 23 to 28. But today I found that the Forbidden City and the university were closed, and the transportation was inconvenient. I wanted to go to the surrounding areas. Those areas are convenient. Finally, I returned to Shenzhen. The summer heat has not subsided. If you want to go to the surrounding areas of Beijing, you can go to Beidaihe, Shan...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 43.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1804,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1804\nTitle: \"[Beijing Suburban Tours] Xingcheng, Huludao, Bijiashan, Semi-Self-Guided Double-Car Three-Day Tour...\"\nSummary: \"Individual travel group tours are organized by Beijing Joint Group Tours and destinations nationwide. As tourism products are special products, the room charges\/local car charges fluctuate greatly with the seasons. We can only guarantee the validity of the itinerary arrangements of the tourism routes, but we cannot guarantee the departure of the routes during the peak season...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1805,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 530.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ten-day tour around Beijing\"\nQuery Dwell Time: 356.86 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1805\nTitle: \"Excuse me, a friend and I are planning to travel in a province near Beijing for about ten days, and we don't know where to go...\"\nSummary: \"Please tell me, my friend and I are planning to travel in the provinces near Beijing for about ten days, but we don't know where to go. We are planning to go to Inner Mongolia and Xinjiang, but we don't know which places are fun. And we only have 2,000 yuan per person. I hope to get some advice from experts...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 201.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1806,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1806\nTitle: \"Xi'an Giant Fixed Gear\/Sports 2000-3000 yuan bicycle | Xi'an Giant Fixed Gear\/Sports 2000-...\"\nSummary: \"Tsinghua University mountain bike, other bicycles as shown, 21-speed disc brake mountain bike, 99% new, price 260 yuan. Jinan - Shizhong - Jiwei Road other bicycle models, other bicycles 26-inch wheels, complete baskets and locks, quality assurance, neat and light...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 58.16 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1807,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1807\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Tsinghua University mountain bike, other bicycles for sale. Many second-hand bicycles are easy to ride. They have baskets for carrying people. There are many styles and styles... The price is between 1000-1500. Face-to-face transactions are required. The original purchase of the bicycle is required. Liaoyuan - Longshan mountain bike, Giant River...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 16.33 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1808,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1808\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Tsinghua University mountain bike, other bicycles for sale. Many second-hand bicycles are easy to ride. They have baskets for carrying people. There are many styles and styles... The price is between 1000-1500. Face-to-face transactions are required. The original purchase of the bicycle is required. Liaoyuan - Longshan mountain bike, Giant River...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1809,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1809\nTitle: \"Yangquan Bicycles | Yangquan Bicycle Sales | Yangquan Bicycle Trading - Yangquan Cool Search\"\nSummary: \"Fixed Gear\/Field, Other Bicycles My husband bought me a bike for work at Gaoqiao for 780, but I am too short to ride it... Our prices are much lower than the market price. Welcome all customers and friends to come to my store to buy your favorite bike at a low price. Chongqing - Jiang...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1810,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Where to buy fixed gear bikes near Tsinghua University, their prices and precautions\"\nQuery Dwell Time: 134.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1810\nTitle: \"Chongqing Pulin Racing Bicycles over 3000 yuan | Chongqing Pulin Racing Bicycles over 3000 yuan ranking -...\"\nSummary: \"Very cheap price, very demanding. Changsha - Mountain bikes around Changsha, other bicycles have been used for half a year, the original price is 2198 yuan, now transferred to other places, pictures are real, contact me if you want. Harbin - Nangang mountain bike, Merida aluminum alloy frame, Jubilee...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1811,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 49.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1811\nTitle: \"Tsinghua University is next to Peking University_The story of Tsinghua University being next to Peking University-Yilin Story\"\nSummary: \"Traditional Chinese Network provides Yilin's story: Tsinghua University is next to Peking University. Although I studied at Tsinghua University, Tsinghua University and Peking University are only separated by a wall, so I am very familiar with Peking University, and it has various intricate connections with me. ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.69 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1812,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 49.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1812\nTitle: \"Tianjin Fixed Gear Store\"\nSummary: \"http:\/\/chaoqi-bike.taobao.com QQ:863866110 Specializing in various body stickers, fixed gear spoke cards, massive... Tsinghua University (26) 3 3. Fudan University (237) 3 4. Shanghai Jiaotong University (10) 9 5. Sun Yat-sen University (33) ...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.46 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1813,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycles near Tsinghua University\"\nQuery Dwell Time: 49.49 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1813\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Recently, a 13-year-old female middle school student in Zhangzhou died in a traffic accident while riding a fixed-gear bicycle, becoming the first domestic... The first Art Tianjin was held in Beining Park. Are there still free cards for the small yellow bikes and Mobikes? Vice President of Tsinghua University...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1814,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 60.81 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1814\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Second-hand bicycles 6722 people gathered in this group Join the group Latest topics (more) A permanent bicycle without a frame. Easy to ride, strong. (Delicious sunshine) Looking to buy a bicycle, not a mountain bike (keda) Brand new mountain bike,...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1815,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1815\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1816,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1816\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Mountain bike, other bikes Blue Sword mountain bike, 18-speed gearbox, easy to use, no problem with brakes, no problem with tires, with a rear seat, a solid frame, the bike is easy to ride, no Beijing - Haidian - Tsinghua University mountain bike, other bikes Hua...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.19 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1817,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1817\nTitle: \"Yantai Zhongzheng fixed gear\/venue over 3000 yuan bicycle | Yantai Zhongzheng fixed gear\/venue over 3000 yuan...\"\nSummary: \"Tsinghua University mountain bike, other bicycles are basically new, with complete receipts, bought with my girlfriend a month ago, 26 inches, double disc brakes, high configuration, Shanghai Forever Linglong is very easy to ride, need Nanjing - Jiangning - Dongshan mountain bike, other bicycles...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1818,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 408.87 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 84.42 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1818\nTitle: \"Yantai Zhongzheng fixed gear\/venue over 3000 yuan bicycle | Yantai Zhongzheng fixed gear\/venue over 3000 yuan...\"\nSummary: \"Tsinghua University mountain bike, other bicycles are basically new, with complete receipts, bought with my girlfriend a month ago, 26 inches, double disc brakes, high configuration, Shanghai Forever Linglong is very easy to ride, need Nanjing - Jiangning - Dongshan mountain bike, other bicycles...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.71 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1819,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 184.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage, weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, and which items must be checked\"\nQuery Dwell Time: 168.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1819\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights? When taking international flights, the total weight of carry-on luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40... If the weight or volume exceeds the above limit, it should be checked in as checked baggage. Items that passengers are prohibited from carrying or checking in, including...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1820,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1820\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.91 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1821,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1821\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.43 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1822,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1822\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.35 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1823,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1823\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.74 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1824,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1824\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.08 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1825,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 91.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1825\nTitle: \"The benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking (1) Be a good role model for your family and friends. Remember: if the elders smoke, the younger ones will imitate them; if the children smoke, the parents will be sad; if you offer cigarettes to each other, both sides will suffer. (2) Be determined to break free from the shackles of smoking. After quitting, you can reduce the impact of smoking on your body and mind...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.47 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1826,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1826\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.5 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1827,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1827\nTitle: \"Quit smoking_The harm of smoking_The best way to quit smoking_E-cigarette brand|18 bends to quit smoking\"\nSummary: \"18 Tips for Quitting Smoking helps you understand the dangers of smoking, nicotine, e-cigarettes, cigarettes and other tobacco products, explains how to quit smoking and the symptoms after quitting smoking, and provides the latest and best methods and products for quitting smoking at home and abroad.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 33.8 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1828,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1828\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 37.61 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1829,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 214.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1829\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.1 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1830,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1830\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.6 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1831,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1831\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"For men who are addicted to smoking, quitting smoking has always been a slogan they often shout. But the fact is that after quitting for a few days, they start smoking again when they encounter the right place or occasion. This goes on and on, and quitting smoking is just a...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1832,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1832\nTitle: \"The most effective way to quit smoking\"\nSummary: \"Take enough rest and have a regular life when quitting smoking; 4. Take a walk outside after meals and take deep breaths for 15 minutes; 5. Do not drink stimulating beverages, drink milk, juice and cereal drinks instead; 6. Try to avoid eating poultry and fried foods; 7. Eat more vitamin B...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.73 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1833,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 509.55 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 67.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1833\nTitle: \"What are the effective ways to quit smoking?\"\nSummary: \"People say smoking is bad and increases the chance of getting lung cancer, so why do we still see some centenarians smoking like crazy? Answer: 1. It is not easy to quit smoking by willpower, but it will be more difficult. After quitting smoking, there will be some withdrawal syndrome, especially mental...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1834,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1834\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"Compare prices, similar to the Wochacha function. Real-time translation, translating text through glasses. Eye exercises, by displaying content,... In this way, Google Glass may be able to achieve more unimaginable functions. Future Google Glass functions imagination Perspective function...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1835,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1835\nTitle: \"\u3010Google Glass\u3011What are the characteristics and functions of Google Glass? \u2014 Ask Knowledge\"\nSummary: \"Google recently launched a pair of glasses that can make calls and take photos. How much does it cost? ? It has been out for almost a year and is not currently sold to the public. It is only sold to a few developers and celebrities. The official price is $1,500. If you really want it, you can find it on eBay abroad...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.42 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1836,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1836\nTitle: \"What functions does Xiaobai ask Google Glass for help? _Home life decoration | Yiqi.com decoration\"\nSummary: \"But the price will definitely be much higher. The price comes from the Internet for reference only (2017-11-07 lingling8826) No need... Hello, as far as I know, the functions of Google Glass include a lot of high-tech, including Bluetooth, Wi-Fi, speakers, camera...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.58 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1837,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1837\nTitle: \"Google Glass Chinese Function Simple Operation Instructions - First Electric Network\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and can control taking photos, video calls, and directions through voice, as well as surfing the Internet.\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1838,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 223.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass features, usage, and price\"\nQuery Dwell Time: 195.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1838\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"What are the functions of Google Glass 3? The application functions of Google Glass are: Feature 1: Small but powerful Google Glass includes... Problems with Google Glass? When will Google Glass be available in China? To get the latest news from the official website, the latest sales price is basically...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1839,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 75.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1839\nTitle: \"iPhone 6 may not be able to enter the mainland within this year, and the price of parallel imports has reached 20,000 | Zhongguancun | Apple | iPhone_Communications and...\"\nSummary: \"September 17, 2014 - Currently, the iPhone 6 series has passed the model approval of the National Radio Administration and the domestic 3C certification. As long as it obtains the network access license issued by the Ministry of Industry and Information Technology, it can be launched in the domestic market. The reporter contacted China Unicom and...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.37 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1840,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 75.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1840\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"The largest Chinese mainland market has not yet been able to get the iPhone 6 and plus versions, but we believe this will not be long. The new iPhone 6 series will also be the best iPhone currently and will create a huge wave in the large-screen smartphone market. Apple is Apple...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.33 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1841,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 75.78 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1841\nTitle: \"iPhone 617 goes on sale in China, price of parallel imports drops to about 6,000 yuan_Today's Focus_Southern News\"\nSummary: \"October 6, 2014 - The price of 16G iPhone 6 is basically hovering around 6,000 yuan, which is a big drop compared to the previous high price of nearly 10,000 yuan. According to the Labor Daily, the news of iPhone 6 going on sale in China has been settled. After the Ministry of Industry and Information Technology confirmed that iPhone...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1842,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1842\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.55 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1843,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1843\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The new iPhone will be available in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5,288 yuan and 6,088 yuan respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.33 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1844,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1844\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much is the iPhone 6 in Hong Kong? How much is the iPhone 6 in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively. The prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1845,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1845\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively, while the prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1846,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1846\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1847,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1847\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The new iPhone will be available in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5,288 yuan and 6,088 yuan respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1848,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1848\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much is the iPhone 6 in Hong Kong? How much is the iPhone 6 in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively. The prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1849,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 282.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1849\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? The prices of the three versions of iPhone 6 (16GB, 64GB, 128GB) are HK$5,588, HK$6,388 and HK$7,188 respectively, while the prices of iPhone 6 Plus are HK$6,388, HK$7,188...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.46 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1850,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 122.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1850\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.8 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1851,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 122.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1851\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"My tip: This method is suitable for friends with good financial conditions. The main places selling iPhones in Hong Kong are Broadway and Fortress, but... Online booking If you want to order on the official website in Hong Kong, you must first have a dual-currency credit card (visa,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1852,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Is there any customs duty for iPhone 6 imported into Hong Kong?\"\nQuery Dwell Time: 58.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1852\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15 of 2012.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.86 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1853,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Is there any customs duty for iPhone 6 imported into Hong Kong?\"\nQuery Dwell Time: 58.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1853\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. ... [No.: 61496] Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country?\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.82 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1854,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 96.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1854\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1855,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 96.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1855\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"Can the Hong Kong version of iPhone 6 be used on the domestic network without root? Answers Views Today I saw news that the Hong Kong Apple official website is open... The Hong Kong version is A1586 for all networks, and can be used by all three operators. Cancel Comment lheeewwv Same as mine! You are now...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1856,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 743.57 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 96.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1856\nTitle: \"Does the Hong Kong version of iPhone 6 support China Telecom? A list of domestic networks supported by the Hong Kong version of iPhone 6 - Apple Q&A...\"\nSummary: \"A: Does the Hong Kong version of iPhone 6 support China Telecom? For domestic users who want to buy the Hong Kong version of the new iPhone 6, this is undoubtedly the most important question. According to Apple's official website, Hong Kong...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1857,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location and Opening Hours\"\nQuery Dwell Time: 169.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1857\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1858,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location and Opening Hours\"\nQuery Dwell Time: 169.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1858\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"[Opening hours] <br \/> Opening hours...\"\nSummary: \"nicegw's review of Chen Ming Swimming Pool (Tsinghua University Swimming Pool): [Opening hours] Session opening hours Notes Morning session Summer open 6:30-8:00 ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.19 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1859,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Tickets Swimming Card\"\nQuery Dwell Time: 47.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1859\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1860,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 254.33 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Tickets Swimming Card\"\nQuery Dwell Time: 47.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1860\nTitle: \"Wangjiacandy about Chenming Swimming Pool (Tsinghua University Swimming Pool Branch) is good or not...\"\nSummary: \"wangjiacandy During my time at Tsinghua, this was the place I visited most often for sports. This kind of swimming pool is... The ticket for students of our school is 7 yuan, and it only costs 5 yuan if you buy a card. It's worth it just to take a hot bath. I hope the bath...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1861,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries\"\nQuery Dwell Time: 165.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1861\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters Displacement 55,000 tons (standard 67,500 tons (full load)) Crew 1,960 people, 626 pilots, 40 staff, 3,857 rooms Power system ... Liaoning aircraft carrier Xiaoyan Basic information Liaoning aircraft carrier (PLAN Liaoning) is the first Chinese People's Liberation Army Navy...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1862,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 165.74 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1862\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters 10.5 meters Displacement 55,000 tons (standard) 61,390 tons (full load) Crew 1,960 people, pilots 626 people, staff 40 people, rooms 3,857 people... Developed on the basis of the Varyag aircraft carrier (Russian: \u0412\u0430\u0440\u044f\u0433; English: Varangian), in terms of overall design...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1863,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 165.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1863\nTitle: \"Is the Liaoning aircraft carrier outdated when it enters service? - Zhihu\"\nSummary: \"The original question was \"Is the Liaoning aircraft carrier outdated as soon as it was built?\" First, the Liaoning is not China's first aircraft carrier; its positioning... The number and performance of aircraft carriers actually depends on the national strategic demand for aviation combat systems, that is, whether a... This will greatly extend the strategic early warning depth of our country in the ocean direction. Secondly, based on the aircraft carrier's powerful intelligence reconnaissance capabilities and command...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 32.62 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1864,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of the Liaoning, the strategic role that an aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 165.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1864\nTitle: \"Liaoning aircraft carrier configuration and future domestic aircraft carrier speculation - Navy version - Super Base Military Forum - the most...\"\nSummary: \"The ski-jump deck of the Liaoning aircraft carrier has similar geometric parameters to the ski-jump deck of the Russian aircraft carrier Kuznetsov, but referring to the Kuznetsov... At the same time, it has a certain degree of deterrence effect on neighboring countries and regions. The aircraft carrier currently being built in China is definitely not the \"Liaoning\"...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 91.47 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1865,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1865\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1866,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1866\nTitle: \"... was officially handed over to service, and China has since gotten rid of its history of not having an aircraft carrier. As shown in Figure A, the Liaoning...\"\nSummary: \"On the morning of September 25, 2012, China's first aircraft carrier \"Liaoning\" was officially handed over for service. Since then, China has gotten rid of the history of not having an aircraft carrier. The picture above is a picture of the Liaoning aircraft carrier. On the morning of November 23, 2012, China's independently developed aircraft carrier...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.86 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1867,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1867\nTitle: \"With the official commissioning of China's first aircraft carrier, the Liaoning, the development of the People's Liberation Army has attracted worldwide attention. Please conclude...\"\nSummary: \"With the official commissioning of China's first aircraft carrier, the Liaoning, the development of the People's Liberation Army has attracted worldwide attention. Based on what you have learned, please answer the following questions: (1) For example, what is the significance of the historical event reflected in the oil painting titled \"Zhou Enlai's August 1st Decision\"? (2)...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1868,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1868\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1869,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1869\nTitle: \"The newly launched Liaoning is currently the most advanced aircraft carrier in the world - Mathematics - Grassroots Network\"\nSummary: \"The Liaoning is a medium-sized aircraft carrier with a displacement of 65,000 tons. Therefore, there is a criticism that why it is not a large aircraft carrier? The reason is that the contemporary naval concept is not that the larger the better, the current size is the best. And the United States...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 44.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1870,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The history of Liaoning\"\nQuery Dwell Time: 101.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1870\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.69 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1871,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 556.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 62.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1871\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.92 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1872,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1872\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1873,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1873\nTitle: \"Ice-breaking games for new employee training_Chinese Text Library\"\nSummary: \"Facts have also proved that training games that help new employees get to know each other and become familiar with the company can be a good way to achieve the goal of breaking the ice. In the field of training, games that can achieve the purpose of breaking the ice are called\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.34 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1874,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1874\nTitle: \"Ice-breaking game for new employee training_Chengzhi Development\"\nSummary: \"1. Carefully explain the purpose of the game and create an atmosphere. 2. Everyone stands in a circle, shoulders to shoulders, faces toward the inside of the circle. Everyone stands firmly with their front and back feet, hands forward, ready to push forward. 3. Choose one person to stand in the circle, close their eyes, and cross their hands in front of their chest. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 62.87 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1875,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 235.37 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 213.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1875\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1876,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 146.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1876\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No matter spring, summer, autumn or winter, no matter how dry the weather is or how dry the land is, the water of Shengquan is always the same and gurgles. The spring water originates from a hundred miles away...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1877,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 146.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1877\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.7 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1878,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 146.87 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing in May\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1878\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"List of Beijing tourist attractions [National AAAA attractions] Temple of Heaven Ming Tombs Summer Palace Beijing Aquarium Badaling Great Wall Beihai-Jingshan Park Chinese Nationalities Garden China Science and Technology Museum Beijing Zoo Beijing Botanical Garden Beijing level attractions: Beihai...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.95 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1879,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 65.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1879\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.31 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1880,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 65.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1880\nTitle: \"Tianjin Fixed Gear Store\"\nSummary: \"Fixed gear spoke cards, a large number of styles for you to choose from, welcome to wholesale and order. Sorry for the inconvenience, I wish you good health, ... Tsinghua University (26) 3 3. Fudan University (237) 3 4. Shanghai Jiaotong University (10) 9 5. Sun Yat-sen University (33) ...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1881,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Buying a fixed gear near Tsinghua University\"\nQuery Dwell Time: 46.35 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1881\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Group Reading FM Time Market More Douban Photography Douban Group Essence...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.33 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1882,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"How to buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 81.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1882\nTitle: \"[Buy fixed gear in physical store] Where is the physical store in Guangyuan where I want to buy fixed gear? - Ask Knowledge\"\nSummary: \"There is a physical store selling fixed gear near the west gate of Tsinghua University. Where is the fixed gear store in Wuhu? There is one in 1201, Unit 1, Building 5, Tianheyuan, Wuyi Square. Which physical store selling fixed gear in Luoyang is good? Save face. Where is the physical store selling fixed gear? [hum] Go to the general bicycle...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.13 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1883,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 117.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1883\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 76.42 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1884,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 117.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1884\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Price Manufacturer Wholesale-Huyi.com\"\nSummary: \"Huyi.com collects 0 detailed data on fixed gear bicycle prices and provides you with advantageous factory wholesale prices, high-quality factory sources and brands. You can also find tableware, kitchenware, cooking utensils, bathroom appliances, bathroom small appliances, kitchen and bathroom daily chemicals...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1885,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 142.62 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1885\nTitle: \"[Fixed Gear Bicycle Price]_Fixed Gear Bicycle Price Brand\/Picture\/Price_Fixed Gear Bicycle Price...\"\nSummary: \"Find the price of fixed gear bicycles on Alibaba 1688.com, the world's leading procurement and wholesale platform. Alibaba has found 29 high-quality fixed gear bicycles for you, including brands, prices, pictures, manufacturers, places of origin, materials, etc., a large number of fixed gear bicycles...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 36.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1886,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 623.4 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 142.62 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1886\nTitle: \"Fixed gear bicycle price\"\nSummary: \"Entry-level fixed gear bike price Entry-level fixed gear bike price Fixed Gear is the same type of bicycle as TrackBike (track bicycle), but the riding area is not limited to the stadium. In Japan, there are track bicycle competitions in the form of classic gambling...\"\nRank: 18\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 69.43 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1887,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on baggage requirements\"\nQuery Dwell Time: 180.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1887\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 75.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1888,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight carry-on baggage requirements\"\nQuery Dwell Time: 180.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1888\nTitle: \"\u300aGeneral Requirements for the Number, Weight and Size of Checked and Carry-on Baggage on International Flights\u300b\"\nSummary: \"Generally, international flights require the number, weight, and size of checked and carry-on luggage. When traveling between Zone 1 and Zone 3 of IATA, the piece-rate system is adopted, stipulating that passengers in F\/C cabin can check in two pieces of luggage, each weighing no more than 32KG, and the size of each piece...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1889,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1889\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"All international flights departing from Central Japan International Airport (excluding arriving flights) Carry-on baggage (excluding checked baggage such as suitcases) Effective date Carry-on regulations Except for the following cases, it is prohibited to carry any liquid items exceeding 100 ml. Container...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1890,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1890\nTitle: \"Are there any restrictions on liquid checked baggage on international flights? - Mafengwo\"\nSummary: \"Mafengwo Q&A >Are there any restrictions on checked liquids on international flights? If you check your luggage when flying abroad, can the liquids inside be... 15622328117 Are there any restrictions on checked liquids on Scoot? Are there any requirements for liquid containers on international flights? Can international flights...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1891,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1891\nTitle: \"What are the requirements for liquids when checked in by plane? - Yue Travel\"\nSummary: \"It's an international flight. This year's aircraft security is very strict. I know that all liquids cannot be brought with you. What I want to know now is whether there are any regulations for checked liquids, such as the requirement that it cannot exceed 100ml. I want to know the latest requirements. Please let me know...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1892,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 343.03 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 129.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1892\nTitle: \"I have a question. International flights stipulate that the liquid in carry-on luggage cannot exceed 100ml. Is it a single...\"\nSummary: \"Each bottle is 100ml. Please note that it is the volume, not the actual amount. Strictly speaking, there is no limit to the total number, as long as it is reasonable. 5 or 6 will definitely be fine. Welcome to Northern Europe! I hope this post is useful to you: http:\/\/bbs.qyer.com\/thread-921691-...\"\nRank: 15\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1893,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 69.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 22.16 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1893\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.27 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1894,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 69.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 15.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1894\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.22 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1895,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 69.24 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 13.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1895\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.7 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1896,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 145.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1896\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 52.35 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1897,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 145.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 137.59 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1897\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1898,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6\"\nQuery Dwell Time: 35.83 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 1898\nTitle: \"Hong Kong version iPhone 6\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone quotation iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.2 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1899,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 86.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1899\nTitle: \"How much is the Hong Kong version of Apple iPhone 6? - Mobile Phones - Wuyoukao.com\"\nSummary: \"The price information of Hong Kong version Apple iPhone 6 is released by Mobile Network. For more information about the price of Hong Kong version Apple iPhone 6, please visit 51Examination Mobile Channel.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1900,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 86.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1900\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"The price is also much higher than [View Details] Can Apple speed up the popularization? A brief analysis of what NFC can do 2014-11-13 It has to be said that every move of Apple can become the focus of the industry. This year's iPhone6 \u200b\u200bis also equipped with NFC features, through...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 26.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1901,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 86.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1901\nTitle: \"How much is the price of Apple iPhone 6? - Mobile Phone - 51Examination.com\"\nSummary: \"As the iPhone 6.s is about to be released, the price of this phone has also been reduced in the past few days. Today, it is only sold for 4550 yuan. The Hong Kong version supports national warranty. Interested friends can call the merchant for consultation. Apple iPhone 6. (Hong Kong version) [Reference price] ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1902,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong price\"\nQuery Dwell Time: 195.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1902\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Articles Clearance - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1903,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 356.38 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 tariff\"\nQuery Dwell Time: 195.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1903\nTitle: \"All questions about iPhone 6 when shopping overseas: strategies, models, tariffs, shipping and warranty_Geek Overseas...\"\nSummary: \"How to solve the problem of shipping iPhone 6 from overseas? How to buy ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 168.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1904,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 132.27 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1904\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.66 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1905,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 132.27 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1905\nTitle: \"[Transfer] Tsinghua Chen Ming Swimming Pool Swimming Card Love Swimming Love Life Shuimu Community\"\nSummary: \"University of Antwerp in Belgium recruits master's students (posted on behalf of others) qiuzhizhe Re: [News] Indonesian female bomber sentenced, suspected of radicalization during her stay in Taiwan NCKUer [Question] North Korea fired, how will Kaji Kazuaki respond? ? mashoko [News] Cross-Strait deadlock...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.46 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1906,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Swimming Card\"\nQuery Dwell Time: 120.72 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1906\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"Students on campus pay 7 yuan per time, but students off campus...\"\nSummary: \"Feather's Ya's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): 7 yuan per time for on-campus students, but it may be more expensive for off-campus students. There is music to accompany you while swimming. It is still very comfortable when there are few people, but most of the time it is really crowded...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.64 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1907,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 474.02 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Swimming Card\"\nQuery Dwell Time: 120.72 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1907\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1908,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft Carrier Liaoning\"\nQuery Dwell Time: 185.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1908\nTitle: \"Chinese aircraft carrier | Liaoning aircraft carrier | Liaoning aircraft carrier forum | China aircraft carrier latest news | Liaoning aircraft carrier official...\"\nSummary: \"Liaoning Aircraft Carrier Forum is a forum for Chinese aircraft carrier enthusiasts!! Here are the latest news about Chinese aircraft carriers in 2013.\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 31.73 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1909,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carriers of various countries around the world and the Liaoning\"\nQuery Dwell Time: 94.31 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1909\nTitle: \"Comparison of Liaoning and other aircraft carriers.doc\"\nSummary: \"Comparison of Liaoning with Aircraft Carriers of Various Countries.doc, Chinese version of \"Foreign Journal \"Liaoning\" and Aircraft Carriers of Various Countries\" Author: zuka21 took a whole afternoon, the pictures are too small, after translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1910,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carriers of various countries around the world and the Liaoning\"\nQuery Dwell Time: 94.31 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1910\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3172th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.05 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1911,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 428.8 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 61.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1911\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - So we chose this obsolete aircraft carrier as the starting point today for a certain purpose and strategic significance. Some experts and scholars even confidently said that if an incident occurs in the South China Sea, China will consider sending our existing navy to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1912,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 318.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1912\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.27 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1913,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 318.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1913\nTitle: \"Icebreaker games collection - simple and fun icebreaker games - icebreaker games to get to know each other - Seven Dimensions Excellence Development\"\nSummary: \"Seven Dimensions Outward Bound Training China Outward Bound Training Association - The only executive director unit in Shenzhen Consulting phone: 0755-88864399 Home > Ice-breaking Games\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.44 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1914,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 318.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1914\nTitle: \"Training Ice Breaking Games_Chinese Text Library\"\nSummary: \"Training Ice Breaking Games (13)_Higher Education_Education Zone. Including the methods and significance of ice breaking games 1. First meeting The first 3 minutes is the most important moment for you to leave a first impression on others. Similarly, before the training activity begins,... Training...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.73 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1915,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee icebreaker game\"\nQuery Dwell Time: 248.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1915\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1916,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee icebreaker game\"\nQuery Dwell Time: 248.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1916\nTitle: \"Ice-breaking Games for New Employees_Chinese Text Library\"\nSummary: \"Nine ice-breaking games for new employee training - Mingyang Tianxia Outward Bound Training Game 1: Winning customers Format: No limit on the number of people Type: Team building Time: The instructor can determine it Materials: (for the instructor) small plush toys, ping-pong balls, small plastic... This is...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 0.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1917,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 591.63 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee icebreaker game\"\nQuery Dwell Time: 248.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1917\nTitle: \"Fun games: the spice of on-the-job training_Human Capital Management_HRoot\"\nSummary: \"Just like breaking the thick ice in the winter. This \"ice-breaking\" game helps new employees relax and become willing to socialize and learn from each other. There are many kinds of ice-breaking games. Here is an ice-breaking game that allows people to get to know each other by making group resumes. This game can...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.46 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1918,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Vacation\"\nQuery Dwell Time: 83.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1918\nTitle: \"Small places around Beijing (excluding Beijing) during the National Day holiday - Mafengwo\"\nSummary: \"Mafengwo Q&A > During the National Day holiday, there are eight days of holiday in the vicinity of Beijing (excluding Beijing). I don\u2019t want to stay at home all the time. I want to ask if there are any niche places in the vicinity of Beijing (excluding Beijing) that are less crowded and not very commercialized...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1919,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Vacation\"\nQuery Dwell Time: 83.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1919\nTitle: \"Where to go during the May Day holiday in Beijing and surrounding areas - Questions and Answers - Backpack Rabbit makes it easier to make trips\"\nSummary: \"Where to have fun during the May Day holiday in Beijing and surrounding areas\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 37.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1920,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Vacation\"\nQuery Dwell Time: 83.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1920\nTitle: \"I only have two days off. Is there anything fun to do around Beijing? Besides Miyun, Huairou, etc...\"\nSummary: \"Mafengwo Q&A > I only have two days of vacation. Is there anything fun to do around Beijing? In addition to Miyun, Huairou, etc., please recommend. I only have two days of vacation. Is there anything fun to do around Beijing? In addition to etc., please recommend. 3965 views 0 people follow ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1921,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tianjin Qilihai Wetland Park\"\nQuery Dwell Time: 92.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1921\nTitle: \"Qilihai National Wetland Park Self-Guided Tour - Guide\/Route\/Map\/Comments - Tianjin Qilihai National Wetland Park...\"\nSummary: \"Tianjin Qilihai National Wetland Park Self-guided Tour, Qilihai National Wetland Park is located in the northeast of Tianjin, 30 kilometers from Tianjin City, 100 kilometers from Beijing, and 40 kilometers from Tangshan. Qilihai is an ancient sea approved by the State Council in 1992. ... National Wetland Park is located in the northeast of Tianjin, 30 kilometers from Tianjin City, 100 kilometers from Beijing, and 40 kilometers from Tangshan. Qilihai National Wetland Park is located in the northeast of Tianjin, 30 kilometers from Tianjin City, and 100 kilometers from Beijing.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.7 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1922,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tianjin Qilihai Wetland Park\"\nQuery Dwell Time: 92.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1922\nTitle: \"What are the characteristics of Tianjin Qilihai Wetland Park? When is the best time to visit Qilihai Wetland Park? ...\"\nSummary: \"I want to go out for a trip and relax recently, so I want to learn more about the situation first. I want to know what are the characteristics of Tianjin Qilihai Wetland Park? When is the best time to go to Qilihai Wetland Park? Questioner: Shui Yingyue\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1923,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1923\nTitle: \"Cool places around Beijing, good places for health travel in Beijing in summer_Huairou_Qiangen.com\"\nSummary: \"Cool places around Beijing, good places for health tours in Beijing in summer | Xiangshui Lake Scenic Area is located on the west side of Mutianyu Great Wall in Huairou District, 78 kilometers away from Beijing, covering an area of \u200b\u200b18 square kilometers. It is a suburban Beijing area with mountains, rivers, the Great Wall as the main feature, food, accommodation, entertainment as one, and health tour as the feature...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.86 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1924,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1924\nTitle: \"Fun places around Beijing in summer_Fun places around Beijing-West Beijing Grassland Huazai Club_...\"\nSummary: \"It\u2019s the annual summer vacation again. After a hard semester, why don\u2019t you take advantage of this vacation to go out and relax yourself? Summer travel is definitely the first theme. Today I recommend you some good places to escape the heat in China during the summer vacation. In fact, around Beijing...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1925,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1925\nTitle: \"[Travel Guide] A complete guide to travel around Beijing in the hot summer\"\nSummary: \"The right thing to do is to relax yourself during the holidays and get closer to your family and friends. Although it has been raining in Beijing for several days, it still can't resist the scorching heat waves. How to choose a way to have fun in the summer? Today...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1926,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Summer vacation around Beijing\"\nQuery Dwell Time: 225.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1926\nTitle: \"Summer escape: Six great seaside destinations around Beijing (Part 3)_NetEase Travel\"\nSummary: \"In fact, in addition to these, another major feature of Leting is that it has rich island tourism resources. The three islands of Leting - Bodhi Island, Yuetuo Island, and Jinsha Island, have now become one of the most popular summer seaside resorts around Beijing.\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1927,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Western Beijing Grassland\"\nQuery Dwell Time: 25.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1927\nTitle: \"How about Jingxi Grassland\"\nSummary: \"How is Jingxi Grassland? Bafang Resources Network gathers many suppliers, buyers and manufacturers. This is the detailed page of Jingxi Grassland. Self-driving route: Starting from downtown Beijing, take the Badaling Expressway at Madian Bridge on the North Third Ring Road, pass Yan...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1928,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Western Beijing Grassland\"\nQuery Dwell Time: 25.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1928\nTitle: \"Jingxi Grassland_Jingxi Grassland Western Mazai Club|Jingxi Grassland_Jinquan.com\"\nSummary: \"Horse riding places in the suburbs of Beijing. The Western Horse Club of Jingxi Grassland: Mr. Zhang (TEL: 13932393850) is dedicated to serving you. Jingxi Grassland, Beijing horse riding, Beijing horse riding places, the cheapest horse riding places in Beijing, Kangxi Grassland, Kangxi Grassland...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1929,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Qinhuangdao\"\nQuery Dwell Time: 119.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1929\nTitle: \"Qinhuangdao Tourism_Qinhuangdao Tourism Guide in December_Hebei Qinhuangdao Tourist Attractions_Qinhuangdao Tourism Network\"\nSummary: \"Qinhuangdao Xinxin Tourism Network provides travel guides and tourism services such as recommended tourist attractions in Qinhuangdao, Hebei, December Qinhuangdao travel guides, Qinhuangdao travel agencies, Qinhuangdao travel routes, Qinhuangdao hotel reservations, Qinhuangdao tourist maps, etc. Xinxin Tourism Network...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1930,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1507.2 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beidaihe\"\nQuery Dwell Time: 28.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1930\nTitle: \"2017 Beidaihe Travel Guide - Qinhuangdao Beidaihe Self-guided Tour - Qinhuangdao Beidaihe Tickets, Transportation and Weather...\"\nSummary: \"Provide the latest 2017 Beidaihe travel guide, including a detailed introduction to Beidaihe attractions, ticket prices, traffic and weather, travel guides, traveler photos, etc.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1931,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Haidian\"\nQuery Dwell Time: 99.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1931\nTitle: \"Rainbow Fixed Gear Bicycle DIY Store, Beijing Rainbow Fixed Gear Bicycle DIY Store Phone Number_Address_Beijing Address...\"\nSummary: \"Introduction to Rainbow Fixed Gear Bicycle DIY Store: The address of Rainbow Fixed Gear Bicycle DIY Store is Weigongcun Road, Haidian District... Second-hand houses, rental houses, shopping malls, leisure and entertainment, beauty and fitness, convenience services, medical and health care, etc. are all around Rainbow Fixed Gear Bicycle DIY Store.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.96 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1932,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 97.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1932\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.13 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1933,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 97.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1933\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"\"You can directly buy a beautiful fixed gear. The price of an entry-level fixed gear is about 2,500 yuan, and the more expensive ones are tens of thousands or hundreds of thousands... It is a device similar to a stirrup installed on the pedal of a fixed gear bicycle. There are two types. One is a simple...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 31.26 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1934,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 355.36 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Cool flying\"\nQuery Dwell Time: 38.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1934\nTitle: \"Home - Cool Death Flying - Taobao\"\nSummary: \"Taobao, Shop, Wangpu, Cool fixed gear aluminum alloy bicycle stand fixed gear kick stand\/parking rod\/side support fixed gear hub 32 holes Taiwan Jiuyu loose bead hub fixed gear bicycle reverse riding hub loose bead hub fixed gear seat cushion color fixed gear seat cushion waterproof frosted surface high-end...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1935,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1935\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 93.69 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1936,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1936\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Date (subject to the flight date) II. Scope of application 1. This preferential policy applies to baggage transportation segments (including sixth freedom rights transportation) that are subject to Air China's free baggage allowance rules according to IATA Resolution 302 \"Baggage Rules Selection Method\", i.e....\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1937,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1937\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - International Flight Baggage Regulations: What are the latest international flight baggage regulations in 2017? Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to America and Europe...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1938,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 191.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1938\nTitle: \"Notice to prospective international students: A list of baggage regulations for international flights in various countries\"\nSummary: \"The following weight restrictions apply to international flights to and from Asia and Japan: Economy Class is one piece of carry-on baggage plus checked baggage, the total baggage weight must not exceed 20kg; World Business Class total weight must not exceed 30kg; First Class must not exceed 40kg. Carry-on luggage...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1939,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage weight limit\"\nQuery Dwell Time: 115.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1939\nTitle: \"Carry-on baggage \u2013 What can I take on board as carry-on baggage? | Jetstar\"\nSummary: \"kg large hand luggage, plus a small carry-on item with a total weight of no more than 14 kg Hand luggage size restrictions Hand luggage (or business class luggage) must fit in the overhead lockers and each piece of luggage must not exceed 56 cm...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1940,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage weight limit\"\nQuery Dwell Time: 115.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1940\nTitle: \"[Luggage Weight Limit] What is the weight limit for luggage on an airplane? \u2014 Ask Knowledge\"\nSummary: \"As long as the hand luggage can fit into the cabin, it doesn't matter how heavy it is. You can carry as much as you can, haha~! And you have to make it look light! Most international flights currently require 2 large boxes per person (each under 23 kg) with a length + width + height of no more than 158CM, and you can carry as much as you want.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.51 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1941,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage weight limit\"\nQuery Dwell Time: 115.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1941\nTitle: \"Carry-on baggage: size and weight limits | Jetstar\"\nSummary: \"What are the size and weight restrictions for checked baggage? Booking Trip Planning Maximum Weight A single bag or item cannot exceed 32 kg. If you have a 35kg or 40kg baggage allowance, your baggage must be divided into at least two bags...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1942,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1942\nTitle: \"[What are the items that cannot be checked in] Airport security check - Mafengwo\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.17 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1943,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1943\nTitle: \"What do I need to check in and what can I bring with me? Travel World Liba Network - Year...\"\nSummary: \"Subject: What items need to be checked in and what items can be brought with you? I only know that items related to water need to be checked in. Do foundation cream, lipstick and other items need to be checked in? Thank you\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1944,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1944\nTitle: \"When do you need to check in your luggage when you take a plane?\"\nSummary: \"If it exceeds, it must be checked in. Passengers must check in their luggage with a valid ticket. The carrier should... What should you pay attention to when you take a plane for the first time? How to pick up your checked luggage after getting off the plane... What should you pay attention to when you take a plane for the first time: 1. Check in your luggage. Before picking up your ticket...\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1945,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 539.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What items must be checked in?\"\nQuery Dwell Time: 181.22 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1945\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that things like nail clippers and scissors must be checked, and documents and medicines must be carried with me, so shower gel and hair lotion... Put a large handbag outside the laptop to put some other things in 2. Carry a large backpack (not a roller backpack),...\"\nRank: 20\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1946,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 86.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1946\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.42 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1947,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 86.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1947\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.61 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1948,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 86.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1948\nTitle: \"The benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking (1) Be a good role model for your family and friends. Remember: if the elders smoke, the younger ones will imitate them; if the children smoke, the parents will be sad; if you offer cigarettes to each other, both sides will suffer. (2) Be determined to break free from the shackles of smoking. After quitting, you can reduce the impact of smoking on your body and mind...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1949,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 50.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1949\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.53 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1950,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 50.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1950\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.12 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1951,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1951\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.25 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1952,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1952\nTitle: \"Several super effective ways to quit smoking_Male Channel_Wenkang Information Network\"\nSummary: \"Effective ways to quit smoking 3. Firmly refuse the temptation of cigarettes and remind yourself frequently that smoking one more cigarette is enough to ruin your plan to quit smoking. Avoid participating in places or activities where people usually smoke. Effective ways to quit smoking 4. Drink water, eat fruit or...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1953,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1953\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, the most effective way to quit smoking, the most effective way to quit smoking, quit smoking patches, quit smoking medicines, quit smoking candies, e-cigarettes, quit smoking mouthpieces, quit smoking teas and other quit smoking products and quit smoking service information.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.64 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1954,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 289.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"E-cigarettes Quit smoking\"\nQuery Dwell Time: 54.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1954\nTitle: \"Using e-cigarettes to quit smoking? You may not be able to achieve your goal - Sohu Finance\"\nSummary: \"March 10, 2015 - \"There is currently no research evidence to prove that e-cigarettes can help smokers quit smoking.\" Feng Danlong, member of the National Committee of the Chinese People's Political Consultative Conference and director of Pfizer China's corporate affairs department, told the reporter of China Business News, \"No government agency...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 50.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1955,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 247.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glasses\"\nQuery Dwell Time: 115.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1955\nTitle: \"\u3010Googleglass 3\u3011Price_Parameters_Pictures_Forum_GoogleGoogle...\"\nSummary: \"Zhongguancun Online (ZOL.COM.CN) provides the latest price of Google glass 3 smart glasses, including Google glass 3 pictures, Google glass 3 parameters, Google glass 3 evaluation market...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 86.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1956,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 247.19 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass 3 Function\"\nQuery Dwell Time: 114.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1956\nTitle: \"What isGoogle Glass? - Definition from Techopedia\"\nSummary: \"GoogleGlassDefinition - GoogleGlassis the name for a type of wearable computer created by the Google's ProjectGlass.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1957,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone6\"\nQuery Dwell Time: 57.93 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1957\nTitle: \"\u3010iPhone6\u3011When will iPhone6 \u200b\u200bbe released_iPhone Air pictures_price-ZOL Zhongguancun...\"\nSummary: \"iPhone 6 mobile phone zone, the first release of iPhone 6 mobile phone launch time, and provide iPhone 6 pictures, prices, parameters, reviews, forums and other information, to provide you with reference for purchasing iPhone 6 mobile phone\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1958,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Price\"\nQuery Dwell Time: 67.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1958\nTitle: \"\u3010Apple iPhone 6 Series\u3011Price_\uff08Apple\uff09Apple iPhone 6 Series Mobile Phones...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.41 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1959,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 77.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1959\nTitle: \"National Apple iPhone6 \u200b\u200bInternational Version\/Dual 4G Mobile Phone Hong Kong Version 16GB Quote - National Apple iPhone...\"\nSummary: \"Zhongguancun Online (zol.com.cn) provides national quotes for Apple iPhone 6 International Edition\/Dual 4G Kit Hong Kong Edition 16GB, and also includes national dealers, national market conditions, and product images of Apple iPhone 6 International Edition\/Dual 4G Kit Hong Kong Edition 16GB...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1960,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version price\"\nQuery Dwell Time: 77.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1960\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.09 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1961,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong\"\nQuery Dwell Time: 150.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1961\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"With the iPhone 6 being launched in Hong Kong, China, many Apple fans have already been waiting at the official Apple flagship stores in Hong Kong. Where can iPhone 6 be bought in Hong Kong? How to get there? Let's take a look. 1) IFC Store Address: IFC...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.66 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1962,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong\"\nQuery Dwell Time: 150.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1962\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - If you have a friend in Hong Kong, he will buy something for you and bring it back to China without paying taxes. If you are looking for a purchasing agent, then taxes may be charged. You may or may not have to pay taxes when the courier brings it back. Let's take a look at...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.09 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1963,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Release Price\"\nQuery Dwell Time: 43.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1963\nTitle: \"Apple iPhone 6 release date and price revealed | Log | Guokr.com Technology is interesting\"\nSummary: \"6 version, but judging from the unchanged price, it should be the version with a 4.7-inch touch screen. It is worth mentioning that the previous rumor that iPhone 6 will be mass-produced in July seems to have been confirmed. According to Taiwan's Economic Daily News...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.44 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1964,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1964\nTitle: \"Do I need to pay customs duties when I buy a mobile phone from Hong Kong and bring it back to the mainland? - Hong Kong, Macau and Taiwan - Backpack Rabbit makes it easier to make trips\"\nSummary: \"Do I need to pay customs duties when I buy a mobile phone from Hong Kong and bring it back to the mainland?\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1965,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1965\nTitle: \"Do I have to pay customs duties if I buy a mobile phone for personal use in Hong Kong? - Zhihu\"\nSummary: \"Log in Join Zhihu Do I have to pay customs duties if I buy a mobile phone for personal use in Hong Kong? Buying Apple in Hong Kong Show all Followers Viewed \u200b Add a comment \u200b Share \u200b Invite to answer Follow the question Write an answer Anonymous user I use it myself, just disassembled it, activated it, and it was fine 0 \u200b...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1966,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1966\nTitle: \"What should I do if a mobile phone I bought from Hong Kong is detained by customs and I have to pay customs duties? - Related issues - 110.com Legal Consulting\"\nSummary: \"Related questions: What should I do if a mobile phone I bought from Hong Kong is detained by customs and I have to pay customs duties? I added a friend 811778 who bought an Apple mobile phone. It was shipped from Hong Kong. I paid 4,000 yuan. In the afternoon, the customer said that it was detained at the customs and I had to pay 2,600 yuan in customs duties. After talking for ten minutes...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.78 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1967,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1967\nTitle: \"Do I have to pay customs duties for the items I buy when I leave Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Do I have to pay customs duties for things I buy when I leave Hong Kong? My BF and I returned from China on the 30th. When we passed through Shenzhen Customs, we were stopped and asked to pay 10% personal income tax. How is this tax collected? Although I have already paid it,...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1968,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone tariffs\"\nQuery Dwell Time: 128.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1968\nTitle: \"Do I need to pay customs duty when buying a mobile phone from Hong Kong? How much is it? ? - Related Questions - 110...\"\nSummary: \"I bought a mobile phone online. The seller was from Hong Kong. He said that I had to pay 500 yuan in customs duty, which would be refunded after customs. I bought a mobile phone online. It was shipped from Hong Kong. I also talked about customs fees and taxes, which totaled 800 yuan. I bought a mobile phone online. Online...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.19 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1969,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone network support\"\nQuery Dwell Time: 79.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1969\nTitle: \"Don't ask these 5 questions when buying a mobile phone in Hong Kong\"\nSummary: \"Although there are many mainland consumers who come to Hong Kong to buy mobile phones, the business source of the store in Sin Tat Plaza is still from Hong Kong... So when buying a mobile phone, you must ask whether the model you are looking at supports simplified Chinese display + input. 4. \"This...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 59.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1970,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong mobile phone network support\"\nQuery Dwell Time: 79.2 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1970\nTitle: \"Can people from the mainland buy mobile phones on the Hong Kong Apple official website? - Apple iPhone 7s (all network compatible) - ZOL Q&A...\"\nSummary: \"Can people from the mainland buy mobile phones on the Hong Kong Apple official website? Can people from the mainland buy mobile phones on the Hong Kong Apple official website? Views Followers ... Apple A11 Network Type Memory Report Thank you for your contribution to the harmony of the community. Please select the report type. Report successfully.\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1971,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version mobile phone domestic operator\"\nQuery Dwell Time: 121.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1971\nTitle: \"Can Hong Kong version mobile phones use domestic mobile phone cards? - _New Knowledge Information\"\nSummary: \"Can Spanish SIM cards be used in China? ... Spanish SIM cards may not be used in China, and some mobile phones do not support them. The Telecom version of iPhone 5 cannot be used with foreign... Can mobile phones purchased in China use Hong Kong cards? ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1972,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version mobile phone domestic operator\"\nQuery Dwell Time: 121.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1972\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 80.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1973,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Hong Kong version mobile phone domestic operator\"\nQuery Dwell Time: 121.32 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1973\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.07 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1974,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 956.1 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone6 TD-LTE\"\nQuery Dwell Time: 43.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1974\nTitle: \"... 4G\u3011About TD-LTE\/FDD-LTE and mobile phone model selection. . \u3010iphone6...\"\nSummary: \"\u3010Popular Science Post\u3011\u30104G\u3011What is the difference between TD-LTE and FDD-LTE? Which one is better? \u30101\u3011TD-LTE is a 4G network standard. Its full name in English is Time Division LongTerm Evolution, which means \"time-division long-term evolution\" in Chinese.\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.29 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1975,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1975\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.09 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1976,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1976\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.01 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1977,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1977\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1978,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1978\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.05 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1979,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1979\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Address, Phone Number, Business Hours (Photo) - Beijing...\"\nSummary: \"Tsinghua University Diving Hall Business hours: Monday to Sunday 12:00-13:00 17:30-18:30 20:00-21:00 21:30-22:30 Modify Merchant Profile: Chen Ming Swimming Pool: Inheriting history, Olympic quality Water quality: 9.1 Environment: 9.0 Cost-effective: 9.0 Modify...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.64 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1980,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 111.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1980\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.86 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1981,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 183.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 20.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1981\nTitle: \"How to get to Tsinghua University Swimming Pool by car?\"\nSummary: \"Post number: 3 Page: Share to: Article topic: How to drive to Tsinghua University Swimming Pool? Jason Identity User Article Zodiac Pisces Points Level Nanmu (12) Sender: jason04 (jason), Message area: Swimming From...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1982,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 344.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1982\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.47 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1983,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic position\"\nQuery Dwell Time: 116.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1983\nTitle: \"Blind men touching an elephant and aircraft carriers 1 The strategic position of aircraft carriers Where are you, Chinese aircraft carriers? \ue43e ---\"\nSummary: \"WriterFrom:218.79.228.* Blind Men Touching the Elephant and Aircraft Carriers 1. Strategic Position of Aircraft Carriers Where are Chinese aircraft carriers? \ue43e, I went online and saw another uproar about aircraft carriers. In summary, it is about how to view aircraft carriers as a main combat weapon. I think that isolated...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1984,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic position\"\nQuery Dwell Time: 116.21 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1984\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - We don't need to put the development of aircraft carrier strategy at the top of the list, nor do we need to blindly believe that aircraft carriers will play a special role in the strategic landscape in the future. So today I would like to share with you the upcoming first aircraft carrier from China...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.7 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1985,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 251.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1985\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The commissioning of the first ship Liaoning marks the entry of my country's navy into the aircraft carrier era, which has a milestone strategic significance. Why does my country need to build and develop aircraft carriers, and what impact will aircraft carriers have on my country's naval modernization? Key...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.67 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1986,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 251.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1986\nTitle: \"The strategic significance of aircraft carriers to China is always more important than actual combat (original) - Naval Forum - Tiexue Community\"\nSummary: \"http:\/\/bbs.tiexue.net\/post_2895118_1.html Share to: Share to: This post has earned work points: 506 This post has earned gold coins: 0 This post has earned work points: 506 This post has earned gold coins: 0 The strategic significance of aircraft carriers to China is always more important than actual combat (...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1987,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 857.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"US aircraft carrier Liaoning\"\nQuery Dwell Time: 89.45 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 1987\nTitle: \"Japanese media claimed that China's Liaoning was no match for the US aircraft carrier and was helpless in the South China Sea | China | South China Sea | Liaoning_New...\"\nSummary: \"December 11, 2015 - The performance is far superior to the J-15 fighter jet (a copy of the Russian Su-33) that is expected to be carried on the Liaoning. ... It will be escorted by frigates with strong anti-submarine capabilities (ASW). The US Navy has already...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 64.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1988,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 508.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1988\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 382.98 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1989,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 508.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1989\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.69 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1990,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 508.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1990\nTitle: \"Icebreaker games collection - simple and fun icebreaker games - icebreaker games to get to know each other - Seven Dimensions Excellence Development\"\nSummary: \"Seven Dimensions Outward Bound Training China Outward Bound Training Association - The only executive director unit in Shenzhen Consulting phone: 0755-88864399 Home > Ice-breaking Games\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 83.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1991,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games Interview\"\nQuery Dwell Time: 180.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1991\nTitle: \"Interview Workshop Icebreaker Game | Beijing Yiwei Youth Charity Development Center\"\nSummary: \"The trainer also participates in the game after the first round of instructions are issued, and the person left alone can issue the next instruction. 6. What does chewing gum stick to? Time: 10 minutes Steps: Ask the participants to form a circle in the center of the venue and walk clockwise or counterclockwise together. The trainer...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 32.61 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1992,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 712.26 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Ice Breaker Games Interview\"\nQuery Dwell Time: 180.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1992\nTitle: \"Icebreaker Games Classification Summary (Group Edition 103 Games)\"\nSummary: \"Primary school Chinese extracurricular knowledge accumulation Primary school mathematics basic knowledge summary (grades 1 to 6) [Calligraphy secrets] Running script radical writing brushwork secrets Ice-breaking game classification summary (group version 103 games) New Oriental teaching assistant interview (Part 2) o (\u2229\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 124.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1993,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 299.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1993\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 270.24 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":1994,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Beijing surrounding tourism one week\"\nQuery Dwell Time: 165.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1994\nTitle: \"Beijing One-week Self-guided Tour_Beijing Self-guided Tour Guide\"\nSummary: \"These days, the kids are on holiday and we are free, so we decided to travel to Beijing for a few days to feel the Olympic atmosphere. D1 Day For some reason, the air tickets from Hangzhou to Beijing are relatively cheap these days. We bought Air China's 30% off...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":1995,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Yanqing Tourism\"\nQuery Dwell Time: 267.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1995\nTitle: \"Yanqing tourist attractions list Yanqing tourist attractions\"\nSummary: \"Yanqing Tourist Attractions Yanqing Tourist Attractions, the following is a list of Yanqing tourist attractions, and I recommend you several tourist attractions. Yanqing is a county in Beijing, located in the northwest of Beijing, surrounded by mountains on three sides and facing the water on one side. The ecological environment...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 162.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":1996,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1023.83 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Yanqing Tourism\"\nQuery Dwell Time: 267.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 1996\nTitle: \"Yanqing Tourism Network\"\nSummary: \"Provide Yanqing area tourist attractions, food, hotels, tourism investment, festivals, etc. Beijing Badaling National Forest Park closure notice Green Fulong Sightseeing Park closure notice Beijing Wild Duck Lake National Wetland Park closure notice Baili Landscape Gallery Scenic Area 2017...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 78.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1997,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 431.69 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Haidian District\"\nQuery Dwell Time: 256.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1997\nTitle: \"Beijing 114 Life Network_Beijing Fixed Gear Bicycle Shopping Center_Merchant Discounts_Sort by Time\"\nSummary: \"All fixed gear bicycles are considered group purchases of two or more (including two), and all DIY fixed gear bicycles of different prices in the store can be included in the group purchase (not valid with other promotions in the store) [Warm Tips] 114 Life Network members can receive free coupons, enter with the code...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1998,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 431.69 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Purchase Haidian District\"\nQuery Dwell Time: 256.55 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 1998\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"The quality of the fixed gear bicycle must be ensured before it can fly,... When a fixed gear bicycle hits a car, the loss is worth... Should I buy a fixed gear bicycle as a whole or do it myself... Address of a fixed gear store in Hangzhou Address of a fixed gear store in Shanghai Where is the fixed gear store in Beijing? Fixed gear...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 63.56 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":1999,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 431.69 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 83.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 1999\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 75.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2000,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 249.4 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights luggage\"\nQuery Dwell Time: 231.03 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2000\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - From now on, passengers taking Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (excluding Japan) and Hong Kong, Macau and Taiwan can only check in one piece of luggage for free. This is very important for overseas Chinese and students studying abroad...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.1 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2001,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 264.23 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 37.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2001\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.92 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2002,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 264.23 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 131.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2002\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.36 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2003,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 264.23 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quit smoking methods\"\nQuery Dwell Time: 63.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2003\nTitle: \"Introduction to smoking cessation methods\"\nSummary: \"This method is worth trying when other methods have failed. \"I started to quit smoking with the help of the patch. Later I used 2mg nicotine gum instead of the patch. So far, I have been using nicotine replacement for 8 months. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2004,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 201.89 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 138.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2004\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 120.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2005,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 201.89 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 49.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2005\nTitle: \"Google: The correct way to use Google Glass: Micro-interaction - Internet - Vision Forum - Microsoft Geeks...\"\nSummary: \"According to the BBC, Google recently warned people not to use Google Glass for a long time because it may cause pain. Google said that Google Glass is not for reading \"War and Peace\" and the eyes need time to adapt. Previously, some users complained that wearing Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.16 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2006,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in China\"\nQuery Dwell Time: 94.03 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2006\nTitle: \"What is the current price of iPhone 6 in China? _Computer Network Questions_Tubatu Ask\"\nSummary: \"Tubatu Decoration Q&A platform provides netizens with answers to various questions such as \"What is the current price of iPhone 6 in China?\" Tubatu Decoration Q&A gathers the decoration experience and wisdom of 6 million owners, and quickly solves decoration confusion\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 43.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2007,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 282.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2007\nTitle: \"What is the price of iPhone 6 in Hong Kong? How to use the quotation of iPhone 6 in Hong Kong? Price of iPhone 6 in Hong Kong...\"\nSummary: \"What is the price of iPhone 6 in Hong Kong? Hong Kong version iPhone 6 quotation enter the software page\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 129.39 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2008,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 282.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2008\nTitle: \"How much is the iPhone 5S iPhone 6 in Hong Kong? - Hong Kong - 16 Fan\"\nSummary: \"[Shopping] How much is the iPhone 5S and iPhone 6 in Hong Kong? I will be going to Hong Kong next week. I wonder what the current prices of iPhone 5s and iPhone 6 are. Can I check the prices on Apple's Hong Kong official website? How to post pictures? When I went to buy a few days ago, I saw the price...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2009,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 282.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2009\nTitle: \"Is there still hope for scalpers? iPhone 6 prices in mainland China are more than 800 yuan higher than in Hong Kong\"\nSummary: \"To the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in the mainland are more than 800 yuan and 1,000 yuan higher than those in Hong Kong. Yesterday, the reporter logged into Apple's official website and saw that iPhone 6 and iPhone 6 Plus will start pre-sale on October 10,...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2010,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase\"\nQuery Dwell Time: 314.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2010\nTitle: \"About iPhone 6 Hong Kong Purchase - Hong Kong - 16 Fan\"\nSummary: \"1. Can I queue up to buy it in a Hong Kong direct-sale store now? 2. When will Fortress and other electrical appliance chains sell it at full price? 3. Is the inspection strict after passing through the customs? Thank you for your reply!\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2011,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase\"\nQuery Dwell Time: 314.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2011\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13-12, 2014 was the first day that Apple Inc.'s iPhone 6 and iPhone 6 Plus were available for online purchase in the Hong Kong market. It was less than 72 hours before Apple CEO Tim Cook released the two latest products, and Hong Kong...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.96 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2012,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 804.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong tax return\"\nQuery Dwell Time: 56.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2012\nTitle: \"Hong Kong man hid 8 iPhone 6s in 3 pairs of underwear, but was discovered by Shenzhen Customs - China News Service\"\nSummary: \"September 24, 2014 - In a joint anti-smuggling operation at the Hong Kong Customs Luohu Control Station, Luohu Customs seized two men who used their underwear to hide three iPhone 6 phones before entering the country. They need to declare taxes to the customs before entering the country. As the new Apple phones are still...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2013,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 189.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 123.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2013\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 113.9 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2014,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 189.02 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Address\"\nQuery Dwell Time: 24.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2014\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2015,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 439.93 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2015\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 180.82 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2016,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Significance\"\nQuery Dwell Time: 249.18 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2016\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"The significance of the construction of the Liaoning aircraft carrier Liaoning aircraft carrier, referred to as \"Liaoning\", hull number 16, is a Chinese... The handover and commissioning of the first Liaoning aircraft carrier marks the entry of the Chinese navy into the aircraft carrier era, which has a milestone strategic significance. my country is...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 239.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2017,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 160.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2017\nTitle: \"Liaoning and Vikramaditya, which one is more powerful? - Zhihu\"\nSummary: \"India can basically be considered to have an all-Russian weapon system. Except for the hull, the Liaoning is basically China's own weapons... The crushing of the entire system is the fundamental. It is not determined by the pros and cons of a certain weapon. So, just because the Indians like to play...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 27.08 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2018,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 875.69 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 160.85 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2018\nTitle: \"Aircraft carrier in-depth: a comprehensive analysis of the advantages and disadvantages of Liaoning and India's second-hand aircraft carrier decks In-depth analysis: F22 launch...\"\nSummary: \"WriterFrom:218.25.17.* In-depth: Comprehensive analysis of the advantages and disadvantages of Liaoning and India's second-hand aircraft carrier decks In-depth analysis: Advantages of the square nozzle design of the F22 engine, Sina Military Editor: In order to better present readers with diverse military content and satisfy readers...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 113.57 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2019,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 249.03 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"An icebreaker game suitable for new employee training with about ten people\"\nQuery Dwell Time: 232.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2019\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Introduction: Generally, the game books we buy will classify the games. Then I will find roughly related games in the classification according to the needs of the course and choose them as team icebreaker games for employee training. The following is a collection of recent graduates...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 94.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2020,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 249.03 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"An icebreaker game suitable for new employee training with about ten people\"\nQuery Dwell Time: 232.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2020\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"A complete collection of indoor and outdoor group training games for icebreakers 1. Bundling to pass - (Applicable: team collaboration) Brief description: By being tied... Minimum ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2021,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 249.03 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"An icebreaker game suitable for new employee training with about ten people\"\nQuery Dwell Time: 232.9 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2021\nTitle: \"Training Ice Breaking Games Collection - MBA Think Tank Documentation\"\nSummary: \"The number of participants should not be less than 10. 2. Big Wind Game Type: Icebreaker Number of participants: No limit Game time... Ask him to draw a humorous sketch for each student (and trainer) and post these drawings in the appropriate place... and just observe from the side. Editor's Tips \u00b7 This is a pure icebreaker game, simple and easy to play, and the atmosphere is very...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2022,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 343.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tourist destinations around Beijing in May\"\nQuery Dwell Time: 130.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2022\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.81 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2023,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 343.51 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Nangong Ecological Tourism Resort\"\nQuery Dwell Time: 156.83 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2023\nTitle: \"Nangong Tourist Attractions\u3010Official\u3011\"\nSummary: \"Beijing Nangong Scenic Area is a four-star tourist attraction that integrates food, accommodation, travel, entertainment, shopping and conferences. Qianlong Mountain, Qinglong Lake, Temperature Resort Hotel, Parrot Park and Bayi Film and Television Base are all worth your visit.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2024,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy a dead fly\"\nQuery Dwell Time: 69.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2024\nTitle: \"Fixed Gear Bicycle Official Website\"\nSummary: \"Most of the fixed-planes that flow in through this channel are high-end fixed-planes, or fixed-planes designed specifically for competitions. It is possible that the price of a genuine fixed-plane is over 10,000 yuan. It is not recommended for general beginners to buy fixed-planes through the last channel. I think the quality of domestic OEM fixed-planes is poor...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 43.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2025,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Things to note when riding a fixed gear\"\nQuery Dwell Time: 141.82 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2025\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"But fixed gear is not like other models. X-TASY bicycles want to tell you that beginners should pay special attention to the following 3 points when learning fixed gear: 1. Before use, be sure to read the instructions and precautions first; understand its performance, be sure to...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 92.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2026,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Price range of fixed gear\"\nQuery Dwell Time: 60.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2026\nTitle: \"Lennox z001 outdoor sports road bike disc brake 26 inch fixed gear road bike fixed gear riding...\"\nSummary: \"Price range \u00a5 Color Brand: LAYNOS Category: Fixed Gear Frame Material: Other Applicable People: General Can it be braked: Cannot be braked All Merchants Deliver to: Default Evaluation Price\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.64 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2027,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of dead fly\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2027\nTitle: \"Fixed flight price\"\nSummary: \"Jason explained that the entry-level fixed-gear bikes sold in his bike shop usually cost 2,000 to 3,000 yuan. Why is there such a big price difference with low-priced bikes? Jason believes that the material and workmanship are the main reasons. Entry-level fixed-gear bikes usually...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2028,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of dead fly\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2028\nTitle: \"Fixed flight price\"\nSummary: \"For all kinds of fixed gear matching problems, please add the fixed gear player master WeChat: kusifei Welcome all new friends who love fixed gear to join, enjoy one-to-one service, and can help you solve all kinds of fixed gear problems! ! ! I believe that friends who have played fixed gear bicycles will have a feeling...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2029,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 528.47 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"The price of dead fly\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2029\nTitle: \"[Fixed Gear + Price] Who knows the price of a fixed gear? - iAsk...\"\nSummary: \"[Fixed Gear + Price] Does anyone know the price of a fixed gear? About 3000 yuan, this is what I heard from my friend, she just wants to buy one.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2030,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 192.25 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage, weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, and which items must be checked\"\nQuery Dwell Time: 177.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2030\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights? When taking international flights, the total weight of carry-on luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40... If the weight or volume exceeds the above limit, it should be checked in as checked baggage. Items that passengers are prohibited from carrying or checking in, including...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2031,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 397.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2031\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 266.83 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2032,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 397.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2032\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 111.44 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2033,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 360.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2033\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 187.02 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2034,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 360.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2034\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 36.97 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2035,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 360.24 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2035\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2036,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 249.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2036\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 180.26 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2037,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 1067.15 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Electronic cigarettes\"\nQuery Dwell Time: 249.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2037\nTitle: \"Interesting ways to quit smoking\"\nSummary: \"Seven ways to quit smoking during the first five days of the most difficult period (1) Drink 6-1.8 cups of water between meals to help excrete nicotine from the body. (2) Take a warm bath every day, and...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.25 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2038,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 117.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2038\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.28 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2039,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 117.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2039\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.74 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2040,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 79.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2040\nTitle: \"Google releases a beginner's guide to Google Glass to help users master how to use it - Google - Technology News - Artificial Intelligence...\"\nSummary: \"Beijing time, May 1, according to foreign media reports, Google released a video on Tuesday to help users master the use of Google Glass. The video shows that the legs of Google Glass have a touchpad - the...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 63.27 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2041,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2041\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2042,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2042\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.16 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2043,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2043\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.33 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2044,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 186.12 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2044\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 44.89 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2045,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 481.65 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass current price\"\nQuery Dwell Time: 34.68 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2045\nTitle: \"What is the price of Google Glass?\"\nSummary: \"\u6846\u6846\u62c6\u6311\u8f66 50567 views 122 latest answers (3 answers) Hello, Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking pictures, video calls, and directions through voice, as well as surfing the Internet...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.3 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2046,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 55.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2046\nTitle: \"Is the iPhone 6 more expensive in mainland China than in Hong Kong? iPhone 6 price comparison between mainland China and Hong Kong_Mobile...\"\nSummary: \"iPhone 6 will be available in mainland China on October 17, with prices starting at 5,288 yuan for iPhone 6 and 6,088 yuan for iPhone 6 and iPhone 6 Plus respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.01 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2047,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 90.95 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2047\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, were not launched in mainland China, which led to Hong Kong... [The store currently does not accept direct purchases in line] [Store Introduction] Apple's second store in Hong Kong, located near the customs...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.89 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2048,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring an iPhone I bought from Hong Kong back to China?\"\nQuery Dwell Time: 90.59 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2048\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China? The editor recommends the answer: No customs duties for one or two units, but for large quantities, they will be charged. Just bring the invoice when checking. The price must be NT$5,000. I'm not sure if you are aware of this specific answer...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2049,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 327.53 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when I bring an iPhone I bought from Hong Kong back to China?\"\nQuery Dwell Time: 90.59 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2049\nTitle: \"How much is the tax to be paid when buying things in Hong Kong? Page 4 - Yue Travel\"\nSummary: \"Will I be required to pay tax when I bring my iPhone 7 from mainland China to Hong Kong? How many pairs of shoes can I buy in Hong Kong? What are the... Do I need to pay customs duties when I buy things in Hong Kong? What is the upper limit per person? If a family consists of two adults and one child... It depends on the transportation and whether you go to many places that require tickets. I think if I don't go shopping, three days...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2050,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The swimming pool in Tsinghua University\"\nQuery Dwell Time: 226.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2050\nTitle: \"Chen Ming Swimming Pool: Tsinghua's indoor swimming pool has a good environment, inside... Beijing Sports Fitness - Public...\"\nSummary: \"Even so, it is cheaper than ordinary swimming pools. Haha, I should go there often when I have time in summer. . Address: No. 30 Shuangqing Road, Haidian District, opposite the East Sports Ground of Tsinghua University. Tel: 010-62792475 Category: Wudaokou\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2051,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The swimming pool in Tsinghua University\"\nQuery Dwell Time: 226.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2051\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Beijing swimming pool rankings Phone: Area: Wudaokou, Haidian District, Beijing Address: No. 30 Shuangqing Road, Tsinghua University (near Wudaokou) People are talking about Jianfeng Brick Machine Tianjin Jianfeng Company is a professional manufacturer of unfired brick machines. If you need, please contact...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2052,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2052\nTitle: \"Chen Ming Swimming Pool: I often went swimming when I was in school, student price...... Beijing Sports Fitness - Public...\"\nSummary: \"I often went swimming when I was in school. The student price was quite cheap. The water quality was sometimes good and sometimes bad. I guess it was better when the water was changed. The disadvantage is that there are too many people. In summer, it is like dumplings. The biggest advantage is...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.81 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2053,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2053\nTitle: \"\u3010Chen Ming Swimming Pool\u3011Chen Ming Swimming Pool Group Purchase - Meituan.com\"\nSummary: \"At the same time, there are a variety of Chenming Swimming Pool group purchase packages for you to compare and choose, with super low discounts and high cost performance, helping you save money and worry. Meituan carefully creates many unique boutique group purchase products while giving back to users at the best price, allowing you to spend the least...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2054,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2054\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2055,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket Price and Swimming Card Price\"\nQuery Dwell Time: 89.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2055\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"Ji_Mi Yangguang's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The student price of 7 yuan is still very cheap, and there are often many people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, and there are diving...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2056,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 447.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 54.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2056\nTitle: \"I bought a swimming card at the swimming pool on August 1st, which allows me to swim 30 times at a price of...\"\nSummary: \"I applied for a swimming card at the swimming pool on August 1st, which allowed me to swim 30 times for 150 yuan. However, the swimming pool did not inform me of the validity period of the card. The card only had a handwritten expiration date of August 31st (without the year). At that time...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2057,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 242.25 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2057\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.94 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2058,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 103.76 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2058\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Q: Can you introduce the basic technical parameters of the Liaoning? Military News www.chnqiang.com A: The Liaoning is more than 300 meters long, more than 70 meters wide, and more than 60 meters high from the keel to the mast. There are 10 floors below the main deck, the main...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2059,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning parameter information\"\nQuery Dwell Time: 187.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2059\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Performance parameters 3 Ship design 4 Development history 5 Design concept 6 Weapon configuration 7 Historical significance 8 Carrier-based aircraft group 9 Other information 10 Service dynamics 11 Social impact 12 Rotational stationing in China's three major sea areas Basic introduction Liaoning aircraft carrier (PLAN ...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 175.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2060,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 706.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 102.63 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2060\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"It also attracted the widest attention and caused corresponding waves. From the strategic significance of Liaoning, it marks that China has bid farewell to the era of no aircraft carriers and has entered the ranks of aircraft carrier countries. The nature of the Chinese navy and even the army will change from now on...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.41 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2061,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2061\nTitle: \"28 Group Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"Ice-breaking game team rhythm form: all participants time: 10 minutes props: playing cards venue: indoor purpose: feel the atmosphere of teamwork procedure: 1. Divide everyone into several groups randomly, for example, people born in January and February are group A, people born in March and April...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 0.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2062,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2062\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the big tree, facing... Opaque curtain One rule: 1) Participants are divided into two sides 2) Say each person's name in turn or hope that others...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 59.04 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2063,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2063\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2064,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2064\nTitle: \"Eighteen ice-breaking games [selected].doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2065,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 203.41 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 191.25 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2065\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2066,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2066\nTitle: \"Five-day tour around Beijing! Please recommend! ! ! !\"\nSummary: \"Douban Our Spiritual Corner Scan the QR code to download Douban 4.0 New Release I want to relax and find a quiet place when I am bored. Does anyone have any good recommendations? Thank you~~~ Your response Please log in first to respond, or register 336039 people gathered here...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.05 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2067,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2067\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to the surrounding areas in 5 days | Booking_Beijing surrounding areas...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, how much it costs for a 5-day route from Beijing to the surrounding areas, and real-time updates on what fun things to do in the Beijing area.\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.9 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2068,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2068\nTitle: \"Travel guide to Beijing during the Spring Festival\/2016 Spring Festival Beijing surrounding tours\/Recommendations for a 5-day Spring Festival tour in Beijing...\"\nSummary: \"Travel Guide to Beijing during the Spring Festival\/2016 Spring Festival Beijing Tour\/5-Day Beijing Tour during the Spring Festival [Special Note] 1: [Due to the fluctuation of travel prices during the Spring Festival and the great changes in local tourist prices, the following itinerary is for reference only] Thank you...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 36.51 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2069,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"5-Day Tour around Beijing\"\nQuery Dwell Time: 227.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2069\nTitle: \"[Photo] How to arrange a 5-day self-driving tour around Beijing_Beijing Forum_Autohome Forum\"\nSummary: \"How to arrange a 5-day self-driving tour around Beijing Highlights: 0 posts Registered: July 17, 2013 If you are visiting Beijing for the first time, a 5-day tour is still possible. If you drive, remember to apply for a Beijing entry permit and drive according to Beijing's motor vehicle license plate restrictions. I also wish you a pleasant journey Highlights:...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2070,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Lvmama Beijing 5-Day Tour\"\nQuery Dwell Time: 13.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2070\nTitle: \"Beijing 5-day tour\"\nSummary: \"Beijing Self-guided Five-Day Tour Guide_Lvmama Beijing Travel Guide Tourism Guide Destination Guide Travel Notes Lvyoubao Write a Review Questions and Answers Information Forum Your current location > Tourism Guide Home > Beijing Self-guided Five-Day Tour Guide Beijing Self-guided Five-Day Tour...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2071,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 317.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Lvmama Beijing 5-Day Tour\"\nQuery Dwell Time: 13.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2071\nTitle: \"5-Day Tour in Beijing_Lvmama Beijing Travel Guide\"\nSummary: \"Lvmama's guide: This time I took my parents and children to Beijing. I did a lot of research online before I went. Should I join a tour group or go alone? Should I take the high-speed rail or fly? I struggled with this question for a long time, and finally chose Lvmama's Beijing...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2072,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua Fixed Gear\"\nQuery Dwell Time: 109.79 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2072\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.25 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2073,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycles near Tsinghua University\"\nQuery Dwell Time: 83.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2073\nTitle: \"[Shanghai Forever Bicycle Electric Vehicle (Tsinghua South Road)] Shanghai Forever Bicycle Electric Vehicle (Tsinghua South Road)\"\nSummary: \"The phone number of Shanghai Forever Bicycle Electric Vehicle (Qinghua South Road) is, and the address of Shanghai Forever Bicycle Electric Vehicle (Qinghua South Road) is. In addition, you can also view the map, public transportation and nearby popular places of Shanghai Forever Bicycle Electric Vehicle (Qinghua South Road). ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2074,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Taobao fixed gear\"\nQuery Dwell Time: 79.85 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2074\nTitle: \"Home - FIXEDCHINA - Fixed Gear China Taobao Store - Taobao\"\nSummary: \"Taobao, Shop, Wangpu, FIXEDCHINA-Fixed Gear China Taobao Shop FIXEDCHINA-Fixed Gear China This shop has not received any reviews. The seller has no qualifications and certifications. Sign in at the shop and get Taobao coins immediately! FIXEDCHINA-Fixed Gear China \u300eCar...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.81 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2075,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Taobao fixed gear\"\nQuery Dwell Time: 79.85 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2075\nTitle: \"Can you recommend me a store that sells fixed gear on Taobao? - Zhihu\"\nSummary: \"Can you recommend me a shop that sells fixed gear bikes on Taobao? I'm looking for a really good shop that sells real fixed gear bikes with good quality. Show all Followers Viewed Follow the question Write an answer \u200b 1 comment \u200b Share \u200b Invite to answer Unspeakable 77 Bicycle Life...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.03 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2076,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2076\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"I started riding a fixed gear because I saw my friends riding it and it looked cool and stylish, so I wanted to try it. I didn\u2019t expect that I would fall in love with it as soon as I rode it. Many people think that fixed gear means flying to death, but the death of fixed gear has nothing to do with the death of death. The flywheel of a fixed gear is fixed...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.31 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2077,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2077\nTitle: \"[The difference between real money and fake money] The difference between a fixed gear and a magic car, how to distinguish between a real fixed gear and a fake fixed gear\"\nSummary: \"How to distinguish between real and fake fixed gears - precautions Try not to be attracted by those colorful appearances on the Internet Be cautious when buying a car Part 2: Real and fake In our real life, there are many truths and falsehoods. They are like a pair of twins...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2078,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2078\nTitle: \"What should I pay attention to when buying a second-hand fixed gear? I don't know anything. Newbie, girl, with pictures_solved - Alibaba...\"\nSummary: \"Fixed Gear is a fixed flywheel. Basically, the ones that cannot slip the rear wheel can be called fixed gear. Any road frame with a fixed flywheel can be called a fixed gear. It's just that some fixed gears are of poor quality. 2. The hub bearing is not offset or not very strong...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.42 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2079,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Things to note when buying a fixed aircraft\"\nQuery Dwell Time: 116.83 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2079\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"It is not easy to ride a fixed gear bike well. There are many details to pay attention to, such as where to look when riding a fixed gear... Fixed gear bicycle price list, fixed gear bicycle pictures, fixed gear bicycle online shopping website, buy fixed gear bicycles online, find fixed gear bicycles for sale...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2080,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed gear price range\"\nQuery Dwell Time: 119.25 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2080\nTitle: \"\u3010Photo\u3011380 new coaster with brakes, selling at a discount price below factory price to clear stock. Last 200 units, sold out - ...\"\nSummary: \"Statement: All models are priced between 200 and 2000, and the highest end is no more than 6000. The manual, warranty, and invoice are complete. ... 380 new coaster with brakes, sold at a discount below the factory price to clear the inventory. The last 200 units, sold out\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2081,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2081\nTitle: \"\u3010Beijing Fixed Gear\u3011Group Buying, Address, Phone Number, Business Hours - Dianping.com\"\nSummary: \"More Home Improvement Stores More Foreign Language Study Artistic Interests Lifestyle Services Surrounding Facilities Commercial Services All Branches of \"Beijing Fixed Gear\" Fixed Gear The merchant is not included? Thank you very much for supporting Dianping.com. Please do not submit repeatedly. What problem did you encounter?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2082,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2082\nTitle: \"\u3010Beijing midnight fixed gear purchase department\u3011Group purchase, address, phone number, business hours - Dianping.com\"\nSummary: \"All categories Scan all branches of \"Beijing midnight fixed gear purchase department\" Midnight fixed gear purchase department Sports venues | Hongcheng Garden, Shimen, Shunyi District (Exit A of Shimen Subway Station, head west! Get off at the Social Education Center, head west) Arirang_3991: Still fucking okay...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.83 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2083,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2083\nTitle: \"[Photo] Beijing Fixed Gear Store is offering hot promotions on new fixed gears, allowing you to buy with confidence and choose with ease - ...\"\nSummary: \"Beijing Fixed Gear Store is hotly promoting brand new fixed gear bikes, so you can buy with confidence and choose comfortably. New fixed gear track bikes are available in many colors and can be freely selected. Free shipping in Beijing area. Our store's brand mountain bikes are on sale at a low price. Cash on delivery is available in the city. There are gifts for purchases. For out-of-town needs...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2084,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 676.28 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear purchase channels\"\nQuery Dwell Time: 56.14 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2084\nTitle: \"All reviews of the Zero Point Fixed Gear Purchase Department - Beijing - Dianping.com\"\nSummary: \"All reviews by users of Dianping.com about Beijing Zero Hour Fixed Gear Purchase Department.\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2085,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2085\nTitle: \"\u3010Airline baggage check-in\u3011What is the complete guide for baggage check-in on flights to the United States? \u2014 iAsk...\"\nSummary: \"[Airline baggage check-in] What is the complete guide to baggage check-in for flights to the United States? Northwest Airlines (NW): (1) North American routes 2 pieces of checked baggage, 32 kg\/piece, 158 cm\/piece, 9 kg of carry-on baggage (excluding laptops) (2) China-Japan Airlines\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.01 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2086,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2086\nTitle: \"A complete guide to baggage check-in for flights to the United States_Tiandao Study Abroad\"\nSummary: \"Editor: julie Source: Internet A complete guide to checked baggage on flights to the United States. Tips from study abroad experts: In order to facilitate your travel, it is best to confirm which flight you are taking and understand the check-in regulations in advance to avoid embarrassment during registration. The following is a detailed introduction for you... (1) Classification of luggage: Luggage carried by the carrier is divided into checked luggage and unchecked luggage according to the transportation responsibility. \u2160 Checked...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2087,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2087\nTitle: \"A complete guide to baggage check-in for flights to the United States\"\nSummary: \"For any class of travel, each piece of baggage that exceeds the baggage limit (within the specified size and weight), or each piece of baggage with the sum of the three sides exceeding 158 cm (62 inches) but not exceeding 203 cm (80 inches)...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2088,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 238.62 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2088\nTitle: \"Are there new restrictions on liquid items in checked baggage when taking US flights? - Qyer Q&A\"\nSummary: \"\"Passengers who are going to take domestic\/international flights in the United States must pick out any liquid items over 100 ml in checked baggage.\" So she was also very confused whether the US TSA had just released new baggage restrictions, so now I am working with Emirates customer service...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 137.63 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2089,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liquids in carry-on luggage on flights to the United States\"\nQuery Dwell Time: 50.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2089\nTitle: \"Liquid items are prohibited on flights to the United States_News Center_Sina.com\"\nSummary: \"August 12, 2006 - According to the American Broadcasting Corporation, the terrorist suspect arrested in London planned to destroy the flight with liquid explosives. Currently, British airports have strengthened security measures. All flights departing from the UK are prohibited from carrying hand luggage, and those allowed to pass...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2090,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liquids in carry-on luggage on flights to the United States\"\nQuery Dwell Time: 50.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2090\nTitle: \"Domestic flight carry-on baggage liquid restrictions - Star Alliance - Flyer Tea House Travel Network - Enjoy the present moment, enjoy the future...\"\nSummary: \"I don't know where to post it, so I'll post the most popular one so that it can be seen easily. The moderator will be lenient. Ask an idiotic question, how much liquid can I bring in my hand luggage on domestic flights? Because I used to check it in, but the waiting time is too long. This time I'm traveling light ...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.64 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2091,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What must be checked in on flights to the United States?\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2091\nTitle: \"Baggage regulations and precautions of American Airlines\"\nSummary: \"For passengers flying to the United States, the free baggage allowed for each economy class passenger is usually two checked bags... All checked bags will be subject to inspection by the Federal Transportation Security Administration (TSA), and the passenger's name and address must be written on the baggage...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2092,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 513.32 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"What must be checked in on flights to the United States?\"\nQuery Dwell Time: 165.34 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2092\nTitle: \"Can I carry cosmetics such as face cream on flights to the United States? Do I have to check them in? Or can I bring them...\"\nSummary: \"You may not be able to bring it on the plane in Beijing, but you can in Shanghai). If you find it troublesome or don't want to bother, it is recommended that you check it in. Because this thing is within the scope of inspection or not. Some people think it is liquid, and some people think it is not...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2093,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 153.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2093\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 90.14 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2094,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 153.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2094\nTitle: \"Quitting smoking - the best way to quit smoking - symptoms after quitting smoking - ranking of smoking cessation products - quit smoking\"\nSummary: \"Are you confused about quitting smoking and finding it difficult to quit? Quit Smokers provides the most effective smoking cessation methods in 2017, finds out the major symptoms after quitting smoking, has the latest smoking cessation product rankings, and collects the most effective smoking cessation products from the Internet.\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.46 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2095,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 153.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2095\nTitle: \"Quitting smoking - the best way to quit smoking - symptoms after quitting smoking - ranking of smoking cessation products - quit smoking\"\nSummary: \"Are you confused about quitting smoking and finding it difficult to quit? Quit Smokers provides the most effective smoking cessation methods in 2017, finds out the major symptoms after quitting smoking, has the latest smoking cessation product rankings, and collects the most effective smoking cessation products from the Internet.\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.18 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2096,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2096\nTitle: \"[Benefits of quitting smoking] What are the side effects of quitting smoking? - Ask a doctor quickly\"\nSummary: \"What are the side effects of quitting smoking? I have swollen body, high blood pressure and faster heart rate. I have quit smoking for more than ten days. Is this normal? If I continue smoking, will it have any effect on my body? As long as the method is suitable and has no side effects, the following method is for reference only. Set a date to quit smoking. And...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2097,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2097\nTitle: \"[Benefits of Quitting Smoking] I am 43 years old this year. I have smoked for 26 years and I have only quit smoking for a week, but - I have a question...\"\nSummary: \"I haven't found any other side effects. But I've found that my sexual function is abnormal these days, my erection is weak, and my erection time is short. I don't know if it's caused by quitting smoking? What treatment should I take? Hello: Smoking has a certain impact on sexual function. If you quit smoking...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2098,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2098\nTitle: \"Is it really difficult to quit smoking: [1] The harm of smoking and the benefits of quitting smoking_The most authentic experience sharing_Health...\"\nSummary: \"Teenagers are in the growth and development period, their physiological systems and organs are not yet mature, and their resistance to the external environment is weaker than that of adults. Smoking will definitely damage the normal growth of the body, so quitting smoking in time is good for the body, and you must not be careless. ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 50.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2099,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits and side effects of quitting smoking\"\nQuery Dwell Time: 161.92 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2099\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"There are many benefits of quitting smoking, whether it is... Nowadays, many people like smoking very much, and even many people have a strong addiction to smoking, so how to quit smoking? How to deal with the discomfort after quitting smoking? Why should we quit smoking...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.92 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2100,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 375.26 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 22.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2100\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.97 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2101,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 70.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2101\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2102,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 70.98 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2102\nTitle: \"Google Glass - How is Google Glass? How does Google smart glasses connect to the Internet? Google Glass...\"\nSummary: \"Google Glass We are working hard to load it for you... [Google Glass No. 1] Sold: 0 pieces Price: 338.00 yuan [Google Glass No. 2] Sold: 0 pieces Price: 328.00 yuan [Google Glass No. 3] Sold: 0 pieces Price: 338.00 yuan ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 45.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2103,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 48.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2103\nTitle: \"Google releases a beginner's guide to Google Glass to help users master how to use it - Google - Technology News - Artificial Intelligence...\"\nSummary: \"Beijing time, May 1, according to foreign media reports, Google released a video on Tuesday to help users master the use of Google Glass. The video shows that the legs of Google Glass have a touchpad - the...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2104,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 48.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2104\nTitle: \"The charm of fingertip control: Demo of how to use Google Glass_IT Information Zone_Information Zone Kafan Forum...\"\nSummary: \"Glass makes it no longer just a distant concept. To this end, while various news about the developer version came out, Google also launched a video on how to use Google Glass, which is obviously aimed at ordinary consumers who have not been able to experience the new product.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.04 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2105,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2105\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.53 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2106,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2106\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.4 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2107,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 301.28 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2107\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.32 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2108,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 44.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2108\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.51 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2109,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 44.89 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2109\nTitle: \"[Apple iPhone6A1589 64GB Mobile Edition 4G (Silver) Price] How is it? Price...\"\nSummary: \"TOP 10 parallel imports: iPhone 6 Hong Kong version priced at 8,500 yuan, rumored 5.5-inch version may be called iPhone 6 Plus by Apple, flexible screen + fingerprint recognition, iWatch released today, dual versions of iPhone 6 + watch, preview of Apple conference, highest price 7,688 yuan, licensed iPhone 6 price revealed...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2110,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bjd\"\nQuery Dwell Time: 56.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2110\nTitle: \"How to pre-order iPhone 6 on JD.com and details of the iPhone 6 pre-order address on JD.com_Apple...\"\nSummary: \"Apple iPhone 6 and iPhone 6 Plus have been pre-sold in China. Today, China Unicom and JD.com have taken the lead in opening iPhone 6 reservations. So, how can you make a reservation on JD.com to buy Apple iPhone 6? In response to this question, this...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.25 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2111,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bjd\"\nQuery Dwell Time: 56.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2111\nTitle: \"Buy iPhone 6, JD.com is 500 yuan cheaper than Apple's official website?\"\nSummary: \"Post count: 6 Pages: Share to: Article topic: Buying iPhone 6, Jingdong is 500 yuan cheaper than Apple's official website? Work hard to actually control the Diaoyu Islands! Identity User Article Constellation Virgo Points Level Zitan (11) Sender: ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2112,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bjd\"\nQuery Dwell Time: 56.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2112\nTitle: \"32GB new iPhone 6 price cut on JD.com, only 2578 yuan - A5 Venture Network\"\nSummary: \"July 4, 2017 - Market News\u3011In February this year, Apple launched a gold special edition iPhone 6 through JD.com. The device was upgraded with 32GB capacity and sold for only 3,399 yuan. Now the device has seen a significant price cut, with the price dropping to 2,578 yuan...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2113,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2113\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong now?\"\nSummary: \"Tubatu decoration question and answer platform provides netizens with answers to various questions about how much it costs to buy an iPhone 6 in Hong Kong now. ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2114,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2114\nTitle: \"How much does the iPhone 6 plus cost in Hong Kong now? - Mafengwo\"\nSummary: \"How much is the iPhone 6 plus in Hong Kong now? The price of the 16G version on Taobao is below 5,000. I want to buy one next month. 19820 views 0 people follow Follow Answer 4 answers Apple official website price 16G is HKD 6,388, 64G is HKD 7,188 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.88 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2115,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2115\nTitle: \"iPhone 6 in Hong Kong now: How much does it cost? - Mafengwo\"\nSummary: \"iphone68370 views 1 person following Following Answers 6 answers Official website price: (HKD) 16G: 5588 64G: 6388 128G: 7188 But you may not be able to buy it through official channels, you need to make an appointment, which is difficult to make. Although other digital stores have stock...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2116,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2116\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"How much does it cost to buy an iPhone 6 in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? Three versions of iPhone 6 (... Apple iPhone and Huawei P series are very popular in the domestic mobile phone circle, and their products are more powerful than the previous generation.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.95 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2117,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2117\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong? -How much does it cost to buy an iPhone 6 in mainland China now? If you go to Hong Kong...\"\nSummary: \"Unpack and inspect the product on the spot. Open the phone. Generally, it is not activated. How much does it cost to buy an iPhone 6 in Hong Kong now? 4.7-inch and 5.5-inch... How much does it cost to buy a Hong Kong version of iPhone 6 in Hong Kong now? \u2026\u2026 Hello, it is about 4,500 yuan. If you have any questions, please feel free to...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2118,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2118\nTitle: \"Is iPhone 6 still available in Hong Kong? How much is it? Where can I buy it reliably? - _New Knowledge Information...\"\nSummary: \"How much does a parallel-imported iPhone 6 cost in Hong Kong? Hello, here is the price of iPhone 6 in Hong Kong for your reference. Parallel-imported iPhone 6 is usually 200-300 yuan more expensive than the official website price. 16g 5588...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2119,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How much does iPhone 6 cost in Hong Kong?\"\nQuery Dwell Time: 150.37 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2119\nTitle: \"How much does it cost to buy an iPhone 6 in mainland China now? How much does it cost to buy it in Hong Kong? -Buy an iPhone 6 in Hong Kong...\"\nSummary: \"How much does it cost to buy an iPhone 6 in mainland China now? How much does it cost to buy it in Hong Kong? Anonymous 2015-7-23 The cheapest one is in the US, but I don\u2019t know if it can be shipped to China. I suggest you buy it in Hong Kong. It\u2019s not like buying a contract in China...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2120,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2120\nTitle: \"[Strategy] How to buy a new iPhone in Hong Kong! - Hong Kong Drifting Station\"\nSummary: \"Many people can't wait to go to Hong Kong to buy a mobile phone. Today, I will collect a complete guide to buying an iPhone in Hong Kong. So if you buy an Apple phone in Hong Kong, you need to pay attention to \"chassis separation\" when you go through customs. That is, the machine itself should be...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.05 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2121,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2121\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 0.39 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2122,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2122\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 149.97 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2123,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2123\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.34 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2124,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 177.82 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2124\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.2 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2125,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2125\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Oil Paradise - OnePlus Mobile Community Official...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. iPhone 6 and iPh ... Apple iPhone 6 supports the 4G network of the three major domestic operators, OnePlus Mobile Community Official Forum\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.19 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2126,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2126\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Huafen talks about industry information Huafen Club...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports the 4G networks of the three major domestic operators\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.87 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2127,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of the iPhone support domestic operator networks?\"\nQuery Dwell Time: 59.79 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2127\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.25 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2128,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2128\nTitle: \"Can the Hong Kong version of iPhone 6 be used with China Telecom?_Mobile phone questions_Tubatu Q&A\"\nSummary: \"Specifically, the only versions that can support the three major domestic operators' networks are the Japanese unlocked version, the US Sprint customized version, and the China Unicom and Telecom versions. These versions can support GSM\/WCDMA\/CDMA2000\/TD-SCDMA\/TD-LTE\/LTE...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.23 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2129,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 891.98 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operator networks?\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2129\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators_Mobile News_Southern News\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2130,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 108.0 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 69.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2130\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space Personal information Blog age: 6 years and 3 months Visits: ? times Articles: 62 articles Blogger's latest articles Log text Category: blog | Tags: Tsinghua University Chen Ming Swimming Pool Charge Standard Opening Hours ...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.61 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2131,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 77.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2131\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"Being detached from the world, one can be tolerant. The ski jump of Liaoning and 001A has offset the advantage of heavy carrier-based aircraft and brought about the serious problem of J15's large body occupying too much area. There is no advantage. Facing Rafale M, Charles de Gaulle will win a crushing victory. The most influential...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.44 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2132,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 77.47 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2132\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"The biggest advantage of US aircraft carriers is that they have two catapults. Baldwin recalled that during the \"Desert Storm\" airstrike on Iraq, an F\/A-18 fighter jet on the \"Midway\" had a fuel leak and the fighter jet had to make an emergency landing within 6 minutes, otherwise the aircraft would...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 56.93 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2133,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Advantages of Liaoning\"\nQuery Dwell Time: 44.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2133\nTitle: \"China admits that Liaoning lags behind the US military: But this advantage scares the US - China News Center\"\nSummary: \"In this regard, the US media said that the purpose of the US aircraft carrier's attack was to let China see how much their aircraft carriers lag behind ours, and to show them how powerful our aircraft carriers are, and perhaps they will show respect to the United States. So what about the Chinese aircraft carriers...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 1.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2134,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The role of aircraft carriers\"\nQuery Dwell Time: 60.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2134\nTitle: \"Military News: Aircraft carriers are irreplaceable, with the strongest combat power and the highest cost-effectiveness_Military_Global Network\"\nSummary: \"March 23, 2017 - The former Soviet Union's top leaders deeply realized the strategic role of aircraft carriers... Because aircraft carriers play an irreplaceable role in war and non-war military operations, the world's major powers eventually \"reached the same destination\" - firmly moving towards...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2135,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 300.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The role of aircraft carriers\"\nQuery Dwell Time: 60.64 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2135\nTitle: \"Correctly understand the role of aircraft carriers - Naval Forum - Tiexue Community\"\nSummary: \"What our navy needs now is a medium-sized aircraft carrier. We should first establish one or two aircraft carrier battle groups. The role of the aircraft carrier is to provide air defense and anti-submarine warfare for the fleet and expand the fleet's activity area. The development of our navy's submarines has made certain achievements, basically in the vicinity...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2136,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 227.11 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What are the ice-breaking games?\"\nQuery Dwell Time: 215.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2136\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"4. What is very important to win in the competition? This game is to test people's habits. Usually for themselves... Hunter Hunting Rabbit Game Type: Ice Breaker Game Suitable for Number of People: Unlimited Game Props: None Game Steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 211.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2137,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2137\nTitle: \"[Grassland] Where to go for self-driving tours in Beijing in summer 2017, self-driving tours around Beijing in summer - Mafengwo\"\nSummary: \"Self-driving tour around Beijing in summer - Guyuan Bashang Guyuan Grassland is located in Guyuan County, 180 kilometers northeast of Zhangjiakou, bordering the Inner Mongolia grassland to the north, outside the ancient Great Wall, 260 kilometers from Beijing, and covers an area of \u200b\u200b900 square kilometers. The existing remains in the scenic area are complete...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.76 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2138,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2138\nTitle: \"Best places to visit in Beijing in summer_Which grassland is best for visiting Beijing - Feiyang Travel Network\"\nSummary: \"Where should we go in Beijing in the summer? Why not go to the grasslands around Beijing? Although they are not as prosperous as the city, they have a quiet environment that cannot be enjoyed in the city. Here is Ningbo Travel Agency to introduce you to Beijing tourism...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2139,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2139\nTitle: \"Where to go to cool down in Beijing in summer_Where to go to cool down in Beijing in summer\"\nSummary: \"Where to stay cool in Beijing in summer? Where to stay cool in Beijing in summer: Enjoy the lotus in midsummer Recommended reason: Every year, Beihai Park will hold a summer lotus festival. Beihai Park has planted 8,000 square meters of lotus on the lake near the South Gate Square, including space lotus, Baiyangdian red lotus...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2140,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Where to go in Beijing in summer\"\nQuery Dwell Time: 155.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2140\nTitle: \"Where to go to escape the heat in Beijing in summer, recommendations for cool places around Beijing in summer - Mafengwo\"\nSummary: \"Where to go to escape the heat in Beijing in summer? Summer is here, and the most common saying is: go wherever it\u2019s cool! But where can you get cool in the overcrowded capital? Here are some cool places around Beijing in summer compiled by Mafengwo editor, recommended to everyone. Ten...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2141,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Shidu?\"\nQuery Dwell Time: 81.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2141\nTitle: \"How much does it cost to go to Shidu? How much does it cost to go to Shidu? - Mafengwo\"\nSummary: \"How much does it cost to go to Shidu? I'm going there to discuss business next month. I think I need to take my clients out for some fun. Does anyone know any good places? 1800 views 0 people are following Follow Answer Add answer 0 words Business license New Internet license (Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2142,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Shidu?\"\nQuery Dwell Time: 81.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2142\nTitle: \"How much does Shidu travel cost per person?\"\nSummary: \"100 yuan is enough for three people to have a meal. . . Generally speaking, the cost of a one-day trip to Shidu is 100 yuan\/person, and a two-day trip to Shidu... How much is the ticket to Shidu Natural Scenic Area? How much does a one-day trip to Shidu usually cost? Five tips for saving money on Shidu travel! There are mountains...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2143,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Shidu?\"\nQuery Dwell Time: 81.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2143\nTitle: \"How much money should I bring with me when traveling to Shidu? - Mafengwo\"\nSummary: \"How much does it cost to travel to Shidu? Is it expensive to travel to Shidu? Is it good to travel to Shidu in August? Is it suitable to travel to Shidu in August? When is the best time to go to Shidu? Is it suitable to go to Shidu during the Dragon Boat Festival? Which month is the best to go to Shidu? When is the best time to go to Shidu? How many days are there to go to Shidu?\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.81 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2144,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Bashang Grassland?\"\nQuery Dwell Time: 36.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2144\nTitle: \"How much does it cost to go to Bashang Grassland for a few days? My favorite thing is to go out...\"\nSummary: \"My favorite thing is to go out and travel. I want to find a peaceful feeling, so I asked my brother to go with me. I recommended Bashang Grassland. I wonder what fun places there are in Bashang Grassland? Will it be expensive? It would be best if I can save money. Where is it...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.71 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2145,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 309.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to go to Bashang Grassland?\"\nQuery Dwell Time: 36.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2145\nTitle: \"Bashang Grassland Tour Price and Itinerary_Beijing Shenzhou International Travel Agency\"\nSummary: \"3 days round trip transportation: car to car back Beijing to Bashang Grassland Travel Guide} Fengning Bashang Grassland Horseback Riding Leisure Three-Day Tour Route... Car to car back How much does it cost to travel from Beijing to Bashang Grassland? Fengning Bashang Grassland Baiyun Ancient Cave Two-Day Route...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.01 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2146,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed gear bicycle sales\"\nQuery Dwell Time: 25.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2146\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.67 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2147,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycles for Sale\"\nQuery Dwell Time: 125.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2147\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 27.37 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2148,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Brand\"\nQuery Dwell Time: 125.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2148\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle. Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle.\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2149,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycles for Sale\"\nQuery Dwell Time: 125.2 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2149\nTitle: \"\u3010Fixed Gear Bicycle\u3011Fixed Gear Bicycle Price_Fixed Gear Bicycle Wholesale - SouLeWang\"\nSummary: \"[Xuanwu District, Beijing] Quote: \uffe5 245.00 Selling Tianjin fixed gear bicycles | Desirable Tianjin fixed gear bicycles, Aowei Bicycles Supply Aowei Bicycles From the beginning of its establishment to now, it has received strong support and love from all walks of life, and the company has been [Beijing...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 67.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2150,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What should I pay attention to when using a fixed gear bicycle?\"\nQuery Dwell Time: 92.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2150\nTitle: \"Female student riding fixed gear bicycle fell off the cliff. What should I pay attention to when riding?\"\nSummary: \"March 15, 2017 - Let's take a look at what you should pay attention to when riding a bicycle? 1. A female student fell off a cliff while riding a bicycle: Borrowing the words of classmate He... Everyone must control their speed on the road, and must not compete to overtake or race, and pay attention to traffic safety. 4...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2151,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What should I pay attention to when using a fixed gear bicycle?\"\nQuery Dwell Time: 92.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2151\nTitle: \"51 Beginners learn how to use fixed gear bicycles.\"\nSummary: \"Hongxiangli brand 51 beginner fixed gear bicycle teaches you the precautions | Sichuan bicycle supplier product: estimate: 0, specification: complete, product series number: complete\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2152,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 279.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What should I pay attention to when using a fixed gear bicycle?\"\nQuery Dwell Time: 92.37 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2152\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"But fixed gear is not like other models. X-TASY Bicycles wants to tell you that beginners should pay special attention to the following 3 points when learning fixed gear: 1. Before use, be sure to read the instructions and precautions first; understand its performance, be sure to...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 81.54 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2153,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights\"\nQuery Dwell Time: 51.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2153\nTitle: \"What are the luggage weight regulations for international flights?\"\nSummary: \"Airline baggage regulations BAA (British Aviation Association) baggage restrictions for flights to and from the UK All passengers traveling to and from the UK will not be able to check in any luggage exceeding 32 kg (70 pounds). 32 kg refers to the maximum weight of each piece of luggage...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2154,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights in the United States\"\nQuery Dwell Time: 139.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2154\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free baggage allowance and excess baggage charging policies for all international interline flights are uniformly implemented in accordance with the standards issued by the most important carriers. Since American carriers have reduced the free baggage allowance for economy class, if Air China does not adjust the current two free baggage allowances in a timely manner...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2155,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights in the United States\"\nQuery Dwell Time: 139.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2155\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 - The free baggage allowance and excess baggage charging policies for all international interline flights will be uniformly implemented in accordance with the standards issued by the most important carriers. Since American carriers have reduced the free baggage allowance for economy class, if Air China does not promptly...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2156,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Luggage allowance on international flights in the United States\"\nQuery Dwell Time: 139.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2156\nTitle: \"\u3010International Airline Baggage\u3011What is the weight limit for international airline luggage? \/ From Hong Kong to New Zealand...\"\nSummary: \"What are the regulations for checked baggage on international flights? Northwest Airlines (NW) North American routes allow 2 checked pieces, 32 kg\/piece, 158 cm\/piece carry-on 9 kg (excluding laptops) China-Japan routes allow 1 checked piece, 20 kg (no size regulations) carry-on 9 kg...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 96.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2157,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the prohibited items on international flights to the United States?\"\nQuery Dwell Time: 73.18 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2157\nTitle: \"What prohibited items cannot be checked in on international flights? - Qyer Q&A\"\nSummary: \"Lighters can be carried at any time on flights back to China. Knives can be checked. 0 \/ 1000 words Styling spray can be checked, but only checked, not carried on board 0 \/ 1000 words Q&A Pathfinder Expert in Thailand, Japan and other places Please refer to the official website 0...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.29 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2158,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 473.86 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Carry-on baggage dimensions for international flights\"\nQuery Dwell Time: 161.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2158\nTitle: \"What you can\u2019t bring on international flights~ (Those traveling abroad can take a look~~)\"\nSummary: \"Can I bring a fruit knife on board? No. Knives cannot be carried on board and must be checked in. 3. Liquids, gels and sprays... When taking international or regional flights departing from airports in China, such items must be placed in containers with a capacity of no more than 100 ml...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 157.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2159,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 622.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liquid baggage requirements for international flights\"\nQuery Dwell Time: 481.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2159\nTitle: \"Is it harmful to quit smoking suddenly?\"\nSummary: \"\"In the early stages of quitting smoking, I felt sleepless, anxious, and irritable. If I smoked a cigarette, the symptoms would be better.\" Such complaints are not uncommon in smoking cessation clinics, and many smokers have given up the idea of \u200b\u200bquitting smoking. Studies have shown that smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 469.79 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2160,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 622.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 52.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2160\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.23 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2161,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 622.32 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 52.15 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2161\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.54 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2162,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 82.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2162\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.42 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2163,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 82.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2163\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2164,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 87.49 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2164\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.79 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2165,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass performance data\"\nQuery Dwell Time: 197.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2165\nTitle: \"Google Glass parameters, functions, performance, specifications, configuration_Sina Mobile\"\nSummary: \"Sina Mobile provides you with detailed parameters of Google Glass mobile phone, allowing you to fully understand the functions, performance, specifications and configuration of Google Glass.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2166,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass performance data\"\nQuery Dwell Time: 197.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2166\nTitle: \"Google Glass web browser performance test - Alibaba Cloud Information Network\"\nSummary: \"Published article Source: Internet Uploader: User Recently, Google launched a web browser for Google Glass for the first time, but what is the performance of this browser, and how much difference will it have with ordinary smartphones? A foreign user did...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 47.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2167,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 1289.91 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass performance data\"\nQuery Dwell Time: 197.14 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2167\nTitle: \"The top ten functions of Google Glass (photos) Hanlang Glasses will reveal the secrets of the glasses that cost more than 11,300 yuan...\"\nSummary: \"Hanlang smart glasses retail price: only 1280 yuan. The popular Google Glass retail price is 11300 yuan. What can it do? Google Glass may be the coolest wearable digital device at present. You can wear it anywhere as long as the law...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 107.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2168,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 65.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2168\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.56 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2169,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version iPhone 6 price\"\nQuery Dwell Time: 65.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2169\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6_iPhone6 \u200b\u200bpictures|parameters|reviews_Apple iPhone...\"\nSummary: \"The difference between A1586 and other products, which one is better? Apple iPhone6A1586 16GB Public Edition 4G Mobile Phone (Gold) \uffe53999 Instructions for use The above data comes from the Internet, and there may be deviations from the actual parameters and prices of the products. Electronic products...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.15 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2170,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where can I buy iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 107.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2170\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I went to in July and wanted to know about the iPhone 6... If you need to buy a mobile phone, you can check out the discounts of major credit cards. I remember that there are some for investment and transportation. In addition...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2171,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where can I buy iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 107.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2171\nTitle: \"I'm going to Hong Kong for a trip in early January. I want to buy an iPhone 6. Where can I buy it? - Mafengwo\"\nSummary: \"Mafengwo Q&A > I'm going to Hong Kong for a trip in early January. I want to buy an iPhone 6. Where can I buy it? Where can I buy an authentic iPhone 6 at a reasonable price? Add a comment Favorite 1. You can check the price on the Apple official website first, and then make an order. It seems that the main store requires advance reservations. 2. Is there a...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.75 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2172,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 191.66 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong Mobile Network\"\nQuery Dwell Time: 107.86 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2172\nTitle: \"Can I use the iPhone 6 I bought in Hong Kong? _As the title says. Preparing to go to Hong Kong_Babytree\"\nSummary: \"Can I use the iPhone 6 I bought in Hong Kong? As the title says. I am going to buy an iPhone 6 in Hong Kong. Can I use it directly after I get it? Do I need to flash the firmware or something?\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 35.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2173,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening and Closing Hours\"\nQuery Dwell Time: 130.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2173\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2174,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening and Closing Hours\"\nQuery Dwell Time: 130.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2174\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2175,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2175\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Tsinghua University Swimming Pool discount information, all in 114 Life Network 5 points 0 people participated in the rating 0 people 0 people 0 people 0 people 0 people Average total score 0 points Comments Discounts Pictures Been Want to go Created by: Tomato Omelet Rice_ View the list: View the contribution list Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2176,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2176\nTitle: \"\u3010Beijing Tsinghua University Swimming Pool\u3011_Meituan.com\"\nSummary: \"Meituan.com provides Beijing Tsinghua University Swimming Pool, Beijing Tsinghua University Swimming Pool group purchase, view more group purchase Beijing Tsinghua University Swimming Pool, price, evaluation, address, phone number and other information, nearby reputation Beijing Tsinghua University Swimming Pool business ranking...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2177,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2177\nTitle: \"...Tsinghua University Swimming Pool Store Business Hours Details - How to get to Tsinghua University Swimming Pool and Public Transportation Information\"\nSummary: \"Special offer circle provides discount activities for shops in Tsinghua University Swimming Pool in Beijing, reviews of Tsinghua University Swimming Pool life consumption, leisure and entertainment Tsinghua University Swimming Pool, No. 30 Shuangqing Road, Haidian District, Tsinghua University (near Wudaokou)\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2178,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Information\"\nQuery Dwell Time: 91.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2178\nTitle: \"[Beijing Peking University Tsinghua Swimming Pool Price | Swimming Club | Baby Swimming Pool] - Beijing Ganji.com\"\nSummary: \"Beijing Ganji.com Swimming Channel is a professional free inquiry and release platform for swimming information of Peking University and Tsinghua University in Beijing, including the price of Peking University and Tsinghua University swimming pool, swimming club, baby swimming pool, swimming service phone number, price and other information. Find Beijing Peking University and Tsinghua University swimming...\"\nRank: 12\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.4 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2179,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 105.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2179\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.41 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2180,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 391.16 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 105.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2180\nTitle: \"Tsinghua University Chen Ming Swimming Pool Opening Hours and Fees - Lonely White Rabbit Looking Around - Sohu Blog\"\nSummary: \"This is a test address public Sohu space personal information blog age: 6 years and 3 months visits: ? times articles: 62 articles blogger's latest articles log text category: blog | tag: Tsinghua University Chen Ming swimming pool fee standard opening hours...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.94 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2181,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 76.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2181\nTitle: \"The latest news about China's aircraft carriers - China Aircraft Carrier Network\"\nSummary: \"With its rapid development, aircraft carriers have written a brilliant chapter in the history of ship development in the 20th century. Modern aircraft carriers, ... Russian aircraft carriers 2017-09-15 1412 The hull of the Liaoning aircraft carrier is rusted. Is it caused by poor maintenance? Some media reported...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2182,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 76.79 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2182\nTitle: \"Liaoning aircraft carrier Liaoning Chinese aircraft carrier Liaoning aircraft carrier Varyag\"\nSummary: \"Liaoning aircraft carrier Liaoning Varyag Liaoning Chinese aircraft carrier Liaoning \"Liaoning\" Liaoning aircraft carrier is the first aircraft carrier of the Chinese People's Liberation Army Navy that can carry fixed-wing aircraft. The Liaoning aircraft carrier was originally a Soviet...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2183,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2183\nTitle: \"As shown in the picture, the displacement of my country's first aircraft carrier \"Liaoning\" is 67,500 tons. It is fully loaded...\"\nSummary: \"As shown in the figure, the displacement of my country's first aircraft carrier \"Liaoning\" is 67500t, and the buoyancy it receives when fully loaded is N (g=10N\/kg). When an aircraft on the deck takes off, with the aircraft as a reference, \"Liaoning\" is. (Optional \"static...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2184,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2184\nTitle: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is China's...\"\nSummary: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is the first aircraft carrier of the Chinese People's Liberation Army Navy that can carry fixed-wing aircraft. The Liaoning ship has a full load displacement of 67,500 tons. The data 67,500 is recorded in scientific terms...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2185,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2185\nTitle: \"The newly launched Liaoning is currently the most advanced aircraft carrier in the world - Mathematics - Grassroots Network\"\nSummary: \"If my country wants to build a more advanced aircraft carrier, it can't listen to these people's nonsense. Liaoning is a medium-sized aircraft carrier with a displacement of 65,000 tons. So there is a criticism that why it is not a large aircraft carrier? The reason is that contemporary...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2186,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2186\nTitle: \"The latest news about China's aircraft carriers - China Aircraft Carrier Network\"\nSummary: \"The maximum speed is 30 knots, the full load displacement exceeds 100,000 tons, and it can carry up to 100 fighter jets. The cost is 6.2 billion US dollars. ... US Aircraft Carrier 2014-11-15 2055 USS Ronald Reagan (CVN-76) USS Ronald ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.0 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2187,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2187\nTitle: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially handed over and commissioned, as shown in the table...\"\nSummary: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially handed over and commissioned. The following table shows some technical parameters of the \"Liaoning\" aircraft carrier: displacement 67500t flight deck 300m*70m engine power 1.5*105kw draft...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2188,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning aircraft carrier displacement information\"\nQuery Dwell Time: 87.55 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2188\nTitle: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is China's...\"\nSummary: \"According to a military website, the Liaoning aircraft carrier, referred to as the \"Liaoning Ship\", hull number 16, is the first aircraft carrier of the Chinese People's Liberation Army Navy that can carry fixed-wing aircraft. The Liaoning ship has a full load displacement of 67,500 tons. The data 67,500 is recorded in scientific terms...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2189,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 44.54 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2189\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.9 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2190,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 44.54 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2190\nTitle: \"\"Liaoning\" here we come! _NetEase News\"\nSummary: \"July 4, 2017 - (Original title: \"Liaoning\" here we come!) To celebrate the 20th anniversary of Hong Kong's return to the motherland, China's first aircraft carrier \"Liaoning\" and three affiliated ships will dock in Hong Kong from July 7 to 11, and will be open to the public on the 8th and 9th...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2191,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning data\"\nQuery Dwell Time: 79.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2191\nTitle: \"China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\" is used...\"\nSummary: \"Question Type: Multiple Choice Difficulty: Relatively Easy Source: Xueersi Online School China's first aircraft carrier \"Liaoning\" has a full load displacement of 67,500 tons. The data \"67,500\" can be expressed in scientific notation (accurate to thousands) as ( ) A.10 4 *6.8 B.68*...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 1.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2192,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning data\"\nQuery Dwell Time: 79.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2192\nTitle: \"The latest statement on the length and width of Liaoning - Navy Edition - Super Base Military Forum - The most influential military...\"\nSummary: \"The length is 304.5 meters and the width is 37 meters (the maximum width of the flight deck is 70 meters). However, the latest \"Modern Ships 2013 Supplement - Our Aircraft Carrier \"Liaoning\" ..., the latest statement on the length and width of Liaoning - Navy Edition - \u2261 Super Military Zone \u2261 - Super Large ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2193,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning data\"\nQuery Dwell Time: 79.77 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2193\nTitle: \"The Liaoning aircraft carrier is the first aircraft carrier of the Chinese Navy, with a standard displacement of 57,000 tons and a full...\"\nSummary: \"The Liaoning aircraft carrier is the first aircraft carrier of the Chinese Navy. Its standard displacement is 57,000 tons and its full load displacement is 67,500 tons. The data 67,500 is expressed in scientific notation as A.675*102B.67.5*102C.6.75*104D.6.75*105\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.28 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2194,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning Crew Number Weapons\"\nQuery Dwell Time: 67.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2194\nTitle: \"Even if the Chinese Navy suddenly had 10 more Liaonings, would it still be far less powerful than the US Navy? - Zhihu\"\nSummary: \"The Liaoning has 1,960 crew members, 626 pilots, and 40 staff members. A total of 2,626 people. Suddenly, there are ten more... Then there are the weapons used by both sides, as well as the strategies and tactics, and even the war potential of the two countries. The problem of space battleships and the Death Star is too...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 50.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2195,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 593.5 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"The strategic significance of aircraft carriers\"\nQuery Dwell Time: 39.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2195\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - So we chose this obsolete aircraft carrier as the starting point today for a certain purpose and strategic significance. Some experts and scholars even confidently said that if an incident occurs in the South China Sea, China will consider sending our existing navy to...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2196,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Orientation\"\nQuery Dwell Time: 59.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2196\nTitle: \"Mysterious character in ice-breaking game for new employees during training_Training games_Interactive games\"\nSummary: \"The main purpose of the Mysterious Person game is to encourage new joiners or old and new employees to get to know each other and integrate quickly. Applicable personnel: new employee training or old and new employee gathering Game location: classroom, conference room, etc. Game... Or \"You can get 5 yuan for every 10 people you shake hands with.\" And so on. As long as the published rules are very reasonable, this activity...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2197,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Orientation\"\nQuery Dwell Time: 59.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2197\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Fun rope skipping Project type: team game Project format: 5-6 people per group Time: 10 minutes Venue: outdoor Applicable objects: Project title, data sharing platform \"suitable as a team ice-breaking game for employee training\".\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2198,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Orientation\"\nQuery Dwell Time: 59.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2198\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2199,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 139.05 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 Icebreaker Games for New Employee Training Baidu Library\"\nQuery Dwell Time: 52.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2199\nTitle: \"Training Ice Breaking Games Collection - MBA Think Tank Documentation\"\nSummary: \"This is a pure icebreaker game, simple and easy to play, and the atmosphere is very lively. \u00b7 If necessary, the instructor can stipulate that some particularly sensitive parts of the human body cannot be used. \u00b7 The number of participants should not be less than 10. 2. Big Wind Blowing Game Type... Editor's Tip \u00b7 You can also change the rules of the game to: \"For every 10 people you shake hands with, you can get 5 yuan.\" And so on. ...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 41.58 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2200,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A Weeklong Tour around Beijing in May\"\nQuery Dwell Time: 145.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2200\nTitle: \"I want to take my family to travel around Beijing. Where is the best place to go? - Homeowner Life - Housing...\"\nSummary: \"I recommend Qingyu Manor near Beijing. It is said to be known as the back garden of Beijing. There are pavilions with flowing water and seasonal fruits for picking, which is suitable for the elderly and children. There are also real-life CS, beach motorcycles and other projects suitable for young people. Lvmama and Aizhouyou are both...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2201,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Places to visit near Beijing\"\nQuery Dwell Time: 30.64 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2201\nTitle: \"Places to visit around Beijing\"\nSummary: \"Haidian District Summer Palace Tourist Area Introduction Located in the northwest suburbs of Beijing, it was originally a royal garden and palace in the Qing Dynasty. The park is mainly composed of... \"Places to visit around Beijing\" Beijing Suburban Tourist Attractions Collection--Summary of Tourism Resources around Beijing[...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.87 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2202,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week of sightseeing around Beijing\"\nQuery Dwell Time: 72.91 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2202\nTitle: \"\u3010Beijing Beijing Surrounding Areas\/Beijing Surrounding Areas Tourism Network | Travel Guide | Travel Company\u3011- Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com Tourism Channel is the largest free inquiry and release platform for tourism service information in Beijing and its surrounding areas, including tourism service telephone numbers, prices and other information. To find tourism services in Beijing and its surrounding areas, please visit Ganji.com Beijing Tourism Channel.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.25 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2203,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week of sightseeing around Beijing\"\nQuery Dwell Time: 72.91 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2203\nTitle: \"28 weeks, where is the suitable place to go for a day or two near Beijing? I am bored at home all day, hurry up and have a baby...\"\nSummary: \"I'm 28 weeks pregnant. Is there any suitable place to go for a day or two in Beijing? I'm stuck at home all day and I'm going to get moldy. I really want to go out and relax. I don't know where in Beijing is suitable for pregnant women to go. Please recommend\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2204,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week trip around Beijing\"\nQuery Dwell Time: 215.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2204\nTitle: \"Beijing surrounding tours_Beijing surrounding self-driving tour guide_Beijing surrounding one-day tours_Beijing surrounding tourism_Beijing...\"\nSummary: \"A complete guide to self-driving tours around Beijing, collecting the most interesting tourist attractions around Beijing, whether it is a one-day or two-day tour, a leisure farm stay, or a tourist attraction, as long as it is relevant information about tours around Beijing, it is all here.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2205,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 507.06 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"A week trip around Beijing\"\nQuery Dwell Time: 215.49 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2205\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 169.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2206,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy a fixed gear near Tsinghua University\"\nQuery Dwell Time: 30.59 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2206\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Groups Reading FM Time Things Market More Moments Douban Photography Douban...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.83 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2207,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Bicycle\"\nQuery Dwell Time: 23.56 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2207\nTitle: \"It is best to buy a bicycle before entering Tsinghua University - Tsinghua University - Daily Gansu - Education\"\nSummary: \"July 15, 2008 - This newspaper (Reporter Liu Jian) \u200b\u200bOn August 23, the \"Gansu-born 2008 Tsinghua University Freshmen Symposium\" was held in Lanzhou. In a relaxed and pleasant atmosphere, the relevant person in charge and four teachers from Tsinghua University who came all the way from Beijing to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2208,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University West Gate Fixed Gear Bicycle\"\nQuery Dwell Time: 56.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2208\nTitle: \"[Qinghe second-hand venue\/fixed gear|Qinghe second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Model: Brand: Price: Region: Support guaranteed transaction Only see pictures Bangbang Online DIY fixed gear bicycle free matching [1 picture] Beijing Fixed Gear Park Bicycle Shop (100 meters north of the west gate of Tsinghua University, Zhongguancun, Haidian District, Beijing... Haidian - Qing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2209,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University West Gate Fixed Gear Bicycle\"\nQuery Dwell Time: 56.54 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2209\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.4 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2210,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Jiuyu Fixed Gear\"\nQuery Dwell Time: 63.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2210\nTitle: \"Zhongguancun North Street, Tsinghua West Gate Shuimo Community (next to Merida Bicycle Tsinghua West Gate) - City...\"\nSummary: \"The address of Jianbingge (Tsinghua Branch) is in Shuimo Community, Tsinghua West Gate, Zhongguancun North Street (next to Merida Bicycle Tsinghua West Gate). High-definition map, Jianbingge (Tsinghua Branch) phone number is: 15810100047, Jianbingge (Tsinghua Branch) profile: Jianbingge...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.84 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2211,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Merida Bicycle Tsinghua West Gate Store\"\nQuery Dwell Time: 63.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2211\nTitle: \"How to get to the Shuimo Community in Tsinghua West Gate, Zhongguancun North Street (next to the Merida Bicycle Tsinghua West Gate)?\"\nSummary: \"I want to find: Business Map Address: Zhongguancun North Street, Tsinghua West Gate Shuimo Community (next to Merida Bicycle Tsinghua West Gate) 15810100047 Transportation: Note: The map location is for reference only, the specific situation is subject to the actual road sign information...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.77 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2212,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Merida Bicycle Tsinghua West Gate Store\"\nQuery Dwell Time: 63.39 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2212\nTitle: \"Giant Bicycle (Tsinghua West Gate Branch) Web Archives - Silly Directory\"\nSummary: \"Giant Bicycle (Tsinghua West Gate Branch), Lifestyle Services, Shopping, Sports Goods, Beijing, Haidian District, Qinglong Bridge, Yuanmingyuan, Taiwan Giant Group - produces and markets the world-renowned bicycle brand \"GIANT\"...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2213,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua West Gate Bicycle Store\"\nQuery Dwell Time: 68.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2213\nTitle: \"Phoenix Bicycle Store (Tsinghua West Gate Store), Beijing Phoenix Bicycle Store (Tsinghua West Gate Store)\"\nSummary: \"We provide professional information about Phoenix Bicycle Store (Tsinghua West Gate Store) map in Beijing. The address of Phoenix Bicycle Store (Tsinghua West Gate Store) is: No. 30, Shuimo West Street. The phone number of Phoenix Bicycle Store (Tsinghua West Gate Store) is: No phone number available...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.34 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2214,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua West Gate Bicycle Store\"\nQuery Dwell Time: 68.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2214\nTitle: \"[Dahon Folding Bike (Tsinghua West Gate)] Dahon Folding Bike (Tsinghua West Gate) phone number, Dahon...\"\nSummary: \"The phone number of Dahon Folding Bike (Tsinghua West Gate) is , and the address of Dahon Folding Bike (Tsinghua West Gate) is West Gate of Tsinghua University, No. 30 Shuangqing Road. In addition, you can also view the map, public transportation and nearby popular places of Dahon Folding Bike (Tsinghua West Gate).\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2215,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2215\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2216,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2216\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2217,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2217\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2218,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2218\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2219,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Dongsheng Car Dealership\"\nQuery Dwell Time: 25.71 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2219\nTitle: \"Beijing Dongsheng Bicycle Shop - Biketo.com\"\nSummary: \"Since opening in March 2007, Dongsheng Motorcycle Shop has been developing and growing with the help of many car lovers. The products in the shop are becoming more and more complete, the technology is becoming more and more sophisticated, and the price is becoming more and more affordable. In five words, it can be summarized as: very down-to-earth! At present, the shop...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2220,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Dongsheng Motors Fixed Gear\"\nQuery Dwell Time: 57.77 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2220\nTitle: \"Dongsheng Car Dealership\"\nSummary: \"This page is the introduction page of [Dongsheng Car Dealership] in Shunqi.com Danzhou Yellow Pages. If you are the person in charge and want to manage this company, you can delete the advertisement after claiming the company, or if the information is wrong and needs to be corrected or deleted, or if you are the person in charge and want to manage this company...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2221,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2221\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2222,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2222\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2223,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2223\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2224,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much is the fixed gear bike at the west gate of Tsinghua University?\"\nQuery Dwell Time: 227.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2224\nTitle: \"How much does it cost to buy the cheapest bicycle now? Network snapshot How much does the cheapest fixed gear bicycle cost...\"\nSummary: \"Network snapshot How much does the cheapest fixed gear bike cost? - Sogou Ask 2017-02-04 How much does the cheapest fixed gear bike cost? If you have more than 3,000 yuan, you can go to a bike assembly shop to assemble it yourself. For example, Shunrufeng at the west gate of Tsinghua University, and Dongsheng Bicycle...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2225,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 53.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2225\nTitle: \"Ordinary fixed gear bicycle price\"\nSummary: \"At this time, fixed-gear bicycle players also appeared in Beijing, Shanghai, Guangzhou and other places, but they had not been seen in Nanjing. 2008... Because the control of the bicycle is very comfortable, fixed-gear bicycles are more suitable for playing polo than ordinary bicycles. In a fixed-gear specialty store, a...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 18.49 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2226,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 53.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2226\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Focus on fixed gear bikes and share fixed gear bike videos and fixed gear bike riding methods with fellow riders. We discuss fixed gear bike prices and... work together to create the most professional fixed gear blog in China!\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.6 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2227,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 661.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does a fixed gear bike cost\"\nQuery Dwell Time: 53.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2227\nTitle: \"Fixed Gear Bicycle Price and How to Buy a Fixed Gear Bicycle\"\nSummary: \"In today's fast-paced life, the functionality and practicality of fixed-gear bicycles continue to be valued. Even fixed-gear bicycles have been integrated with various design elements and remade by masters to appear in a new posture. The rigid fixed-gear bicycles are no longer...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2228,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage and weight and volume restrictions for checked luggage\"\nQuery Dwell Time: 68.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2228\nTitle: \"What are the luggage weight regulations for international flights?\"\nSummary: \"Checked luggage: International students can check in 46 kg, but a single piece of luggage cannot exceed 23 kg. There is no regulation on the size of the luggage. Carry-on luggage: The maximum size of standard hand luggage is 56*45*25 (cm), with no weight limit, but passengers must be able to carry it independently...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.86 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2229,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage and weight and volume restrictions for checked luggage\"\nQuery Dwell Time: 68.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2229\nTitle: \"Requirements for the number, weight and size of checked and carry-on luggage on general international flights.doc\"\nSummary: \"The number, weight and size requirements of checked and carry-on baggage on general international flights. International routes have two types of checked baggage regulations: weight-based and piece-based. When traveling between IATA's Zones 1 and 3, the piece-based system is adopted, stipulating that passengers in F\/C cabins can...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2230,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights have weight and volume restrictions for carry-on luggage and weight and volume restrictions for checked luggage\"\nQuery Dwell Time: 68.64 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2230\nTitle: \"[International luggage transportation instructions_International luggage check-in instructions]-China Eastern Airlines\"\nSummary: \"The weight of such items is not included in the free baggage allowance. 8.1.3.7 Liquids, gels and aerosols in each passenger's hand baggage... If two or more passengers traveling together on the same flight to the same destination check in their baggage at the same place...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 21.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2231,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 67.08 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2231\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.03 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2232,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 94.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2232\nTitle: \"What is the maximum amount of liquid items (cosmetics) you can bring on an airplane? - Yue Travel\"\nSummary: \"International flights limit each carry-on to 100ml, and a maximum of 10 bottles, which must be placed in a sealable transparent plastic bag. You need to carry it with you... Domestic flights do not require carry-on liquids to be placed in transparent bags, and can be placed in carry-on luggage. ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.99 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2233,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 94.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2233\nTitle: \"How much carry-on luggage is allowed on international flights? Page 3 - Yue Travel\"\nSummary: \"Can I carry liquids on board international flights departing from Macau Airport? Liquids under 100ml can be carried on board... 1. Power banks can only be carried in hand luggage or on the person, and are strictly prohibited from being carried in checked luggage. 2. The rated capacity of the power bank...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2234,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquids can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 94.58 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2234\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Requirements for checked liquids on international flights I know that if you carry liquids with you, each piece is 100ml, and the total is less than 1L. You may need to pack them separately for easy inspection. So what if the liquids are checked in luggage? Are there any requirements for each piece and the total amount?\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2235,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: What items must be carried in your carry-on baggage and what items must be checked in?\"\nQuery Dwell Time: 63.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2235\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in...A large tote bag over the laptop to put some other things in 2. A large backpack (not one with wheels)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.44 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2236,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 336.49 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights: What items must be carried in your carry-on baggage and what items must be checked in?\"\nQuery Dwell Time: 63.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2236\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in...A large tote bag over the laptop to put some other things in 2. A large backpack (not one with wheels)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.66 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2237,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 155.21 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 23.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2237\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.62 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2238,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 155.21 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 47.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2238\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.49 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2239,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 155.21 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 61.68 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2239\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.25 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2240,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 79.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2240\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.26 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2241,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 79.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2241\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2242,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2242\nTitle: \"How much does Google Glass cost?\"\nSummary: \"Why is there such a big price difference between the two Google Glasses on JD.com? The price of more than 10,000 is normal, and the one with 1,999 says that you need to consult customer service before bidding, so I guess the price is fake. How much does Google Glass cost? Beijing time, June 24 morning news, Google...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.57 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2243,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 135.26 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2243\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - The much hyped Google Glass is finally available for sale. Google announced that it will start a one-day sale on April 15, with a price of $1,500 (about 9,334 yuan), which is more than 10,000 yuan after tax...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.62 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2244,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2244\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"I saw that the three major domestic operators on the Hong Kong official website support it. Views Followers You can invite high-quality answerers to answer your questions faster hocok has 90157 answers in the mobile phone digital category Double beans has 20891 answers in the mobile phone digital category...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2245,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2245\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Oil Paradise - OnePlus Mobile Community Official...\"\nSummary: \"Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. iPhone 6 and iPh ... Apple iPhone 6 supports the 4G network of the three major domestic operators, OnePlus Mobile Community Official Forum\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2246,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2246\nTitle: \"Does the Hong Kong version of iPhone 6 require an Apple power converter in the country?\"\nSummary: \"It can be used universally, but the three pins of the Hong Kong version are thicker, so they cannot be plugged into ordinary plug boards in the mainland. If you want to use it directly, you need to buy *... The differences between the three major operators have been greatly reduced. From the current situation, iPhone6\/iPhone6Plus has four... Answer: 4...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2247,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support the three major operators in the mainland?\"\nQuery Dwell Time: 83.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2247\nTitle: \"Apple iPhone 6 supports 4G network of the three major domestic operators - Huafen Mantan Library Huafen Club\"\nSummary: \"Apple held a press conference at the Flint Center in Cupertino, California, USA. Apple officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and 5 ... Apple iPhone 6 supports 4G of the three major domestic operators...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2248,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Can the Hong Kong version of iPhone 6 be used in mainland China?\"\nQuery Dwell Time: 54.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2248\nTitle: \"Can the Hong Kong version of iPhone be used in the mainland? - Can the Hong Kong version of iPhone 6 be used in the mainland? The difference between the Hong Kong version of iPhone 6 and the...\"\nSummary: \"1. Hong Kong version of Apple mobile phone can be used in mainland China. The difference between Hong Kong version of iPhone and mainland version of iPhone is... Locked ones are more common in Sprint, which is convenient... Can the Japanese version of iPhone 6 be used in mainland China... I personally asked Japan... With invoice, it can also be used in mainland China... Can the Korean version of iPhone 6 be used in mainland China? ... The way to check whether it is locked or not is as follows...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2249,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 is cheaper than mainland iPhone 6\"\nQuery Dwell Time: 57.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2249\nTitle: \"iPhone 6s Hong Kong version is up to 1128 yuan cheaper than mainland China_NetEase Technology\"\nSummary: \"September 11, 2015 - iPhone 6s and iPhone 6s Plus will be launched simultaneously in the Mainland and Hong Kong. Comparing the prices on Apple's official websites in the two places, after converting the exchange rate, different versions of iPhone 6s and iPhone 6s Plus are cheaper in Hong Kong than in the Mainland, about 688 to...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2250,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 is cheaper than mainland iPhone 6\"\nQuery Dwell Time: 57.12 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2250\nTitle: \"500 yuan cheaper than the national version, iPhone6 \u200b\u200bHong Kong version is only 4600 yuan - Apple iPhone6 \u200b\u200b(all network compatible)_He...\"\nSummary: \"(Zhongguancun Online Anhui Market) iPhone 6 has been on the market for a long time. Due to the open supply of Hong Kong stocks some time ago, the price of iPhone 6 in mainland China and Hong Kong will definitely drop. The launch of the new iPhone is of great significance to Apple. Apple uses it to redefine...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2251,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Price in Hong Kong\"\nQuery Dwell Time: 139.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2251\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Xia Ya asked: Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China? The editor recommends the answer: One or two... If I buy an iPhone 4s from Hong Kong and bring it to mainland China, do I need to pay customs duties? How much is it? For personal use, not...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.64 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2252,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I need to pay customs duties if I buy an iPhone 6 in Hong Kong and bring it back to mainland China?\"\nQuery Dwell Time: 139.51 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2252\nTitle: \"[Customs response] Why do you have to pay 10% tax when you buy an iPhone 6S from Hong Kong? - Weikou.com\"\nSummary: \"The customs border of my country (mainland) is smaller than the national border of my country. Hong Kong and Taiwan of my country currently have their own customs laws, the \"China Customs Law\". What to do with the confiscated iPhone? Public auction, and the proceeds will be turned over to the national treasury. Why do we have to collect tariffs? Tariffs are often national taxes... 6S\/6S Plus is on the first release list, but there are still many consumers who buy them in Hong Kong and bring them to the mainland for use. Customs reminds that iPhone...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 94.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2253,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 424.57 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Where can I buy iPhone 6 in Hong Kong?\"\nQuery Dwell Time: 23.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2253\nTitle: \"I want to ask where I can buy an iPhone 6 in Hong Kong to get a licensed product with guaranteed quality. I can also get it back after I return...\"\nSummary: \"I want to ask where I can buy an iPhone 6 in Hong Kong to get a genuine product with guaranteed quality. I can also get a free replacement after returning from warranty. Buying an iPhone 6 on a free trip 3477 views 0 people follow Follow Answer 5 answers [The questioner accepts] 1. Now Apple stores still need...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2254,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 23.8 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2254\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.92 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2255,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Opening Hours\"\nQuery Dwell Time: 59.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2255\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2256,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Opening Hours\"\nQuery Dwell Time: 59.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2256\nTitle: \"Tsinghua University Chen Ming Swimming Pool_Beijing Swimming Pool Reservation_Dongwang\"\nSummary: \"Good Review Average Review Bad Review Tsinghua University West Dragon in the Sky Shadow Theater Old Summer Palace Coastal Billiards Club About Us Contact Us Careers Site Map Merchant Login Event Release Local Information Account Recharge Balance Payment Online Payment Booking Process\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2257,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 103.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Opening Hours\"\nQuery Dwell Time: 59.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2257\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Store): \"The 10 yuan ticket in the following comment is not...\"\nSummary: \"Shengnan 9087's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): Is the 10 yuan ticket in the comment below outdated? I went there on April 13th, and the non-school personnel were 25 yuan\/person. It is mainly divided into time periods, and after 2:00~3:30 in the afternoon, it is 5:00~6:...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.81 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2258,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2258\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Weapons 7 Historical significance 8 Aircraft fleet 9 Other information 10 Service dynamics 11 Social impact 12 Rotation in China's three major seas... Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters 10.5 meters Displacement 55,000 tons (standard... It also marks that the Liaoning aircraft carrier has begun to have the ability of a maritime formation battle group. Basic information Chinese name Liaoning aircraft carrier...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 105.29 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2259,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2259\nTitle: \"Review of the development of the Chinese Navy and comparative analysis of the strength of Chinese and foreign navies\"\nSummary: \"From the performance parameters, the length, width, speed and other data of 052C are not much different from the other three ships, but the displacement is larger than that of the Japanese... Liaoning Admiral Kuznetsov Nimitz-class aircraft carrier Length (m) 304.5 304.5 332.8 Breadth (... However, the displacement of the US Nimitz-class aircraft carrier is more than 40,000 tons more than that of the Liaoning, which shows the difference between the two aircraft carriers in terms of basic data...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2260,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2260\nTitle: \"2010 Japan's Self-Defense Forces weapons and equipment developed rapidly and expanded rapidly_Nanhai News Center\"\nSummary: \"December 18, 2010 - The standard displacement of the \"Akizuki\" is about 5,000 tons, and the full load displacement is 6,800 tons. The ship is 150.5 meters long, 18.3 meters wide, with a maximum speed of 30 knots and a crew of 200 people. The main weapons and equipment include the Type 90 ship-to-ship missile, the improved... In particular, the weapons and equipment of its maritime self-defense force have developed rapidly, laying a solid foundation for its development of ocean-going operations. ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2261,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.)\"\nQuery Dwell Time: 154.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2261\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Weapons 7 Historical significance 8 Aircraft fleet 9 Other information 10 Service dynamics 11 Social impact 12 Rotation in China's three major seas... Length 304.5 meters, waterline length 270 meters, beam 75 meters, waterline width: 38 meters 10.5 meters Displacement 55,000 tons (standard... It also marks that the Liaoning aircraft carrier has begun to have the ability of a maritime formation battle group. Basic information Chinese name Liaoning aircraft carrier...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2262,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"History of Liaoning\"\nQuery Dwell Time: 82.22 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2262\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2263,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2263\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 -It is a strategic weapon with expansion (high self-sustaining ocean-going combat capability), and its role is to make money. On the surface, although aircraft carriers have good combat power, they are not invincible. Submarines, missiles, destroyers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2264,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2264\nTitle: \"Aim high: The three major functions of China's aircraft carrier strategy - Xilu Eastern Military - Xilu.com\"\nSummary: \"The first major function of China's aircraft carriers is to make diplomatic strategic statements. There is no need to waste words on whether China should have aircraft carriers. Take the evacuation of Chinese citizens from Libya as an example. If China uses aircraft carrier formations to escort large passenger ships to Libya, the cost-effectiveness will be higher...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.12 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2265,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2265\nTitle: \"The strategic and military role of China's development of aircraft carriers\"\nSummary: \"At present, people are more concerned about what role or function China's aircraft carriers will play, the next step of aircraft carrier development planning, the economy's benign and sustainable supply capacity for the development of aircraft carriers, and the role of aircraft carrier development in boosting the economy.\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2266,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2266\nTitle: \"The Strategic Significance of China's Construction of Aircraft Carriers in the Nuclear Age\"\nSummary: \"Aircraft carrier battle groups still play a major role in determining the outcome of wars, especially for coastal and offshore countries. China's aircraft carrier complex 1. A century of vicissitudes and the loss of maritime power in the Chinese navy Since China's defeat in the Sino-Japanese War of 1895, the navy has...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2267,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2267\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 -It is a strategic weapon with expansion (high self-sustaining ocean-going combat capability), and its role is to make money. On the surface, although aircraft carriers have good combat power, they are not invincible. Submarines, missiles, destroyers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.22 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2268,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The strategic role of aircraft carriers\"\nQuery Dwell Time: 217.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2268\nTitle: \"To make aircraft carriers work, strategic courage is most needed\"\nSummary: \"To make aircraft carriers work, strategic courage is most needed. Zhang88 China's first aircraft carrier is about to be launched. This is a major event that the Chinese people have been looking forward to for a long time. They especially hope that with the aircraft carrier, the strategic environment around China will gradually improve...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.79 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2269,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 609.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 93.75 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2269\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"The biggest advantage of US aircraft carriers is that they have two catapults. Baldwin recalled that during the \"Desert Storm\" airstrike on Iraq, an F\/A-18 fighter jet on the \"Midway\" had a fuel leak and the fighter jet had to make an emergency landing within 6 minutes, otherwise the aircraft would...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.07 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2270,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 213.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 199.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2270\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.43 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2271,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 213.34 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 199.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2271\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2272,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 222.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing\"\nQuery Dwell Time: 207.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2272\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.86 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2273,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 222.32 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing\"\nQuery Dwell Time: 207.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2273\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2274,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle stores near Tsinghua University\"\nQuery Dwell Time: 78.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2274\nTitle: \"Are there any physical stores selling bicycles near Wanjia Tsinghua University, Peking University, Sports University, and Beijing University of Science and Technology? _Zhangjiali...\"\nSummary: \"Where are the physical stores selling bicycles near Tsinghua University, Peking University, Beijing University of Science and Technology, and Physical Education University? Please report any political\/pornographic violations tnjmjohmjmz 09-24 10:30:39 Thank you ls Zbohnbo North of the west gate of Tsinghua University, Merida and Giant stores,...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2275,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle stores near Tsinghua University\"\nQuery Dwell Time: 78.69 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2275\nTitle: \"[Phoenix Bicycle Tsinghua Ximen Store] Phoenix Bicycle Tsinghua Ximen Store Phone Number, Phoenix...\"\nSummary: \"The phone number of Phoenix Bicycle Tsinghua Ximen Store is, and the address of Phoenix Bicycle Tsinghua Ximen Store is. In addition, you can also view the map, public transportation and nearby popular places of Phoenix Bicycle Tsinghua Ximen Store.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2276,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 96.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2276\nTitle: \"\u3010Continew Fixed Gear Bicycle Concept Store\u3011Continew Fixed Gear Bicycle Concept Store Phone Number,...\"\nSummary: \"The address of the Continew Fixed Gear Bicycle Concept Store is Room F-16, Zhucheng Building, No. 6, Zhongguancun South Street (directly opposite the east gate of Friendship Hotel). You can also check the map, public transportation and nearby popular places of the Continew Fixed Gear Bicycle Concept Store...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2277,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed gear bicycle store near Tsinghua University\"\nQuery Dwell Time: 96.77 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2277\nTitle: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store...\"\nSummary: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store - China's largest fixed gear online store! Dedicated to the development and promotion of China's fixed gear sports and fixed gear culture, with the concept of low-carbon environmental protection and fashionable lifestyle, we provide personalized customization of genuine fixed gear...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2278,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2278\nTitle: \"[Beijing Fixed Gear Beijing Fixed Gear Bicycle Shop Beijing Fixed Gear Bicycle Store] Price, manufacturer, picture...\"\nSummary: \"Marco Polo Network (makepolo.com) provides information about Shenzhen Huhang Technology Co., Ltd. and related companies and products, mainly focusing on Beijing fixed gear Beijing fixed gear bicycle shop Beijing fixed gear bicycle store, and also includes Beijing fixed gear Beijing fixed gear bicycle...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2279,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2279\nTitle: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store...\"\nSummary: \"Beijing Fixed Gear: Beijing Fixed Gear Bicycle Store - China's largest fixed gear online store! Dedicated to the development and promotion of China's fixed gear sports and fixed gear culture, with the concept of low-carbon environmental protection and fashionable lifestyle, we provide personalized customization of genuine fixed gear...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.5 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2280,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2280\nTitle: \"Beijing HopeBike Fixed Gear Store - Pictures - Beijing Shopping - Dianping.com\"\nSummary: \"The photo page of Beijing HopeBike fixed gear store provides 1 real photo uploaded by a Dianping.com user.\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.25 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2281,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Bicycle Store\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2281\nTitle: \"[Photo] Where can I buy a fixed-gear bike in Beijing? It's spring now, driving all the time is bad for your health~ Buy a bicycle...\"\nSummary: \"Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle. Where can I buy a fixed-gear bike in Beijing? It's the beginning of spring, and driving all the time is bad for my health. I'd better buy a bicycle.\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2282,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 428.54 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Bicycle shop near Tsinghua University\"\nQuery Dwell Time: 77.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2282\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.0 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2283,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 290.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage requirements for international flights\"\nQuery Dwell Time: 266.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2283\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"Hope this helps! 2017 International Flight Baggage Rules Air China introduces a new policy of free checked baggage! After that, you can take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (not...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 159.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2284,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 290.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 266.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2284\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"International flight baggage regulations? International flight baggage regulations are a rule that many friends are unfamiliar with. So what are the contents of international flight baggage regulations? International flight baggage regulations? When taking an international flight, the total weight of hand luggage is 7 kg...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2285,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 290.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight carry-on and checked baggage requirements\"\nQuery Dwell Time: 266.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2285\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"International air tickets Domestic air tickets Flight segment selection: One-way Round trip Departure city: Arrival city: Departure date: Return date: Air China checked baggage and hand luggage regulations: 1. Domestic routes and international routes other than the United States, Canada, and Brazil...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2286,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2286\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 106.1 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2287,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2287\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"What are the ways to quit smoking? Smoking has many side effects, and stomach problems are one of them. Researchers at Osaka City University in Japan found that quitting smoking can improve the symptoms of a gastrointestinal disease, gastroesophageal reflux disease, and relieve the \"burning tobacco...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 20.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2288,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2288\nTitle: \"The benefits of quitting smoking - Quit smoking_The harm of smoking_The best way to quit smoking_E-cigarette brand|18 bends to quit smoking\"\nSummary: \"What are the health benefits of quitting smoking? Are there any resources that can help? Lung cancer is the leading cause of cancer death. Every year, about one in... Published: Smoking has many side effects on organs throughout the body, and stomach problems are one of them. Osaka City, Japan...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.1 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2289,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits, side effects and effective ways to quit smoking\"\nQuery Dwell Time: 382.92 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2289\nTitle: \"What are the benefits of quitting smoking? How to quit smoking effectively?\"\nSummary: \"What are the benefits of quitting smoking for babies? Chinese medicine quitting smoking has many benefits. There are many benefits for men to quit smoking. Many diseases are not entangled. Do you care about yourself? Is the beauty-purifying plum effective for weight loss? Does essential oil weight loss have side effects? Is fasting exercise effective for weight loss? How to lose belly fat quickly...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2290,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 522.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 32.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2290\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.97 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2291,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2291\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.65 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2292,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2292\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2293,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2293\nTitle: \"Google Glass - How is Google Glass? How does Google smart glasses connect to the Internet? Google Glass...\"\nSummary: \"Google Glass We are working hard to load it for you... [Google Glass No. 1] Sold: 0 pieces Price: 338.00 yuan [Google Glass No. 2] Sold: 0 pieces Price: 328.00 yuan [Google Glass No. 3] Sold: 0 pieces Price: 338.00 yuan ...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 33.47 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2294,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 525.19 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2294\nTitle: \"Is Google Glass worth it? \u2014\u2014People's Daily Online Chongqing Window\u2014Chongqing's authoritative news portal\"\nSummary: \"May 16, 2014 - Google announced on May 13 that it would start supplying Google Glass in the US market with a price of $1,500. On the same day, IHS, a US industry information provider, released a report saying that the production cost of Google Glass is only $152.47...\"\nRank: 14\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 44.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2295,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 142.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2295\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2296,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 694.94 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 142.6 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2296\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 71.15 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2297,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 477.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2297\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2298,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 477.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2298\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I want to know about the purchase of iPhone 6 in July~ 8515 views 0 people follow Follow Answer 10 answers [The questioner accepts] It is not convenient for you to go to those three...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2299,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 477.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2299\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong? - _New Knowledge Information\"\nSummary: \"Is there any difference between the Chinese iPhone 6P and the Hong Kong version? Which one is better? ? ... The difference lies in the different regions where they are sold. The Chinese version is more expensive because of taxes. Hong Kong sells things tax-free, so some people smuggle Hong Kong products to the mainland...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 180.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2300,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 737.12 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Domestic iPhone 6 price\"\nQuery Dwell Time: 193.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2300\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it, and wait until the supply is relatively stable [View Details] There are fewer and fewer reasons to jailbreak iOS 8 official version experience 2014-09-18 After a long time...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 155.85 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2301,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 126.02 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 117.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2301\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 73.74 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2302,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 126.02 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 117.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2302\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Dianping.com provides you with parking information about Chenming Swimming Pool (Tsinghua University Swimming Pool), how much is the parking fee at Chenming Swimming Pool (Tsinghua University Swimming Pool), and how to park nearby. You can also share your experience at Chenming Swimming Pool (Tsinghua University...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.75 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2303,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 126.02 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool\"\nQuery Dwell Time: 117.01 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2303\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.38 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2304,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 272.91 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 264.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2304\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 86.86 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2305,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 196.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 176.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2305\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2306,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 196.58 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"10 people New employee ice-breaking game\"\nQuery Dwell Time: 176.04 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2306\nTitle: \"\u3010Ice-breaking game for new employees\u3011-liepin.com\"\nSummary: \"Number of people: 5-10 people Props: None Suitable occasions: ...View all Introduction: Through the group, their affinity motivation and influence motivation are stimulated, all of which are stimulated through small games. The following is a new tool for employee motivation shared by the editor: gamification,...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 75.58 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2307,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Attractions\"\nQuery Dwell Time: 224.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2307\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 98.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2308,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surrounding Attractions\"\nQuery Dwell Time: 224.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2308\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 78.68 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2309,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Transportation Accommodation Entertainment\"\nQuery Dwell Time: 243.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2309\nTitle: \"How to get to Shidu Village, Shidu Town, the address of Shidu Qiyi Mao Farmhouse, map - Beijing - Dianping.com\"\nSummary: \"The farmhouse integrates catering, accommodation and entertainment, with convenient transportation and beautiful environment. Shidu Gushanzhai and Donghu Port are evenly distributed on both sides, and the Juma River in front of the door is in full view, and the Longshan Mountains are opposite. If you can come to Shidu Farmhouse in your spare time...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 89.61 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2310,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Transportation Accommodation Entertainment\"\nQuery Dwell Time: 243.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2310\nTitle: \"Shidu Ecological Village, Transportation and Accommodation Information_Page 1_Photography Travel_Tourism_Xici Hutong\"\nSummary: \"Transportation Information Yunze Villa is located in Sandu of Shidu Scenic Area. Since Shidu is an old scenic area in the suburbs of Beijing, the transportation facilities are very good. It is suitable for friends and family to stay together. The standard room is priced at 880 yuan per night, and now you can enjoy the special package price of 488 yuan, including luxury...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2311,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Transportation Accommodation Entertainment\"\nQuery Dwell Time: 243.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2311\nTitle: \"Introduction and service facilities of Beijing Shidu Qixia Hotel\"\nSummary: \"Introduction and facilities of Beijing Shidu Qixia Hotel Beijing Shidu Qixia Holiday Hotel is your ideal choice for food and accommodation. The farmhouse integrates catering, accommodation and entertainment. It has convenient transportation and beautiful environment. Shidu Gushan Village and Donghu Port are evenly distributed. The distance is not far from each other...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 54.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2312,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Accommodation\"\nQuery Dwell Time: 313.63 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2312\nTitle: \"Where to stay in Shidu?\"\nSummary: \"There are many guides for Shidu, but I think the guide for accommodation in Shidu is undoubtedly the most important. Why is that? ? I think that after a day of fun, finding a good place to stay can not only relax your body and get enough rest, but also prepare for the next day's play...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2313,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu Accommodation\"\nQuery Dwell Time: 313.63 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2313\nTitle: \"Where to stay when visiting Shidu? Any good accommodation recommendations in Shidu? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where to stay in Shidu? Any good accommodation recommendations in Shidu? Where to stay in Shidu? Any good accommodation recommendations in Shidu? 14880 views 0 people follow Follow Answer 3 answers When you come to Shidu, you usually stay in a farmhouse. The farmhouses in Shidu...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.15 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2314,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1414.65 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Shidu\"\nQuery Dwell Time: 350.82 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2314\nTitle: \"Beijing Shidu Tourism Network-Fangshan Shidu World Geopark-Shidu Scenic Area Portal\"\nSummary: \"Shidu Tourism Network is the portal website of Shidu Scenic Area, providing you with a comprehensive introduction to the scenic area, timely Shidu tourism information, exciting and rich tourist routes, and farmhouse accommodation information. There are also Shidu videos, travel guides, and photography works for your reference. ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 327.42 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2315,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 167.29 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2315\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-30 \/ General Merchant 159 RMB Very beautiful, solid, good for riding bicycles, low price transfer, red, suitable for both boys and girls... Fixed Gear Bicycles, Road Bicycles... Haidian - Beihang University \/ 11-22 \/ General Merchant 160 RMB 140 RMB for sale, folding bikes,...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.45 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2316,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 167.29 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2316\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 45.53 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2317,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2317\nTitle: \"Does anyone know where there is a fixed gear bike shop in Haidian District, Beijing, with reasonable prices? I am a student and want to buy...\"\nSummary: \"Fixed gear accessories are complete, free color matching. Popular questions and answers Laying water and electricity pipeline diagram Science and Technology Museum, near the Bird's Nest Jianyuan Decoration Company If you are not a local and just go to college in Tianjin, don't buy a pet! ... Full text Bay window modification issues All have to change cars. Start with Xinbin...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.81 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2318,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2318\nTitle: \"Haidian Fixed Gear Store Anniversary Sale Fixed Gear Sale Site DIY Free Shipping in the City - Beijing Municipality Second-hand Car Information\"\nSummary: \"Haidian Fixed Gear Store celebrates the anniversary of the fixed gear sale. DIY fixed gears are available for free shipping in the city. The fixed gear store has launched special fixed gears. Our store has many colors and styles, and the configuration is relatively high. All of them have quality assurance and after-sales service. This store is a physical store of fixed gears, not an online store. Customers are welcome to visit the store...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.48 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2319,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2319\nTitle: \"[Haidian second-hand venue\/fixed gear|Haidian second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Haidian Second-hand Vents\/Fixed Gear Market provides you with a large number of Haidian Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Haidian Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to 58.com Haidian Second...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2320,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2320\nTitle: \"Rainbow Fixed Gear Bicycle DIY Store, Beijing Rainbow Fixed Gear Bicycle DIY Store Phone Number_Address_Beijing Address...\"\nSummary: \"Introduction to Rainbow Fixed Gear Bicycle DIY Store: The address of Rainbow Fixed Gear Bicycle DIY Store is Weigongcun Road, Haidian District... Second-hand houses, rental houses, shopping malls, leisure and entertainment, beauty and fitness, convenience services, medical and health care, etc. are all around Rainbow Fixed Gear Bicycle DIY Store.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 68.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2321,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Haidian\"\nQuery Dwell Time: 437.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2321\nTitle: \"Makara Fixed Gear Park: \"The entry-level fixed gear for beginners is still more than 1,500 yuan, and they earn too much...\"\nSummary: \"Absolutely dazzling, I sell this directly from my own factory. I specialize in fixed gears, mountain bikes, and BMX bikes. Address: North Street, Zhongguancun, Haidian District Tel: 010-62625192 Category: Summer Palace\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 141.07 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2322,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Price\"\nQuery Dwell Time: 468.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2322\nTitle: \"Detailed explanation of entry-level fixed-gear prices, novices should not be deceived\"\nSummary: \"Is the price of an entry-level fixed-gear machine necessarily less than 2K? When many veteran fixed-gear experts teach newcomers, they say that entry-level fixed-gear machines use mostly low-end components, so the overall price is mostly less than 2,000. In fact, I think that a price of less than 2K...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 425.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2323,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 237.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2323\nTitle: \"I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? | Lohas...\"\nSummary: \"0519-86601957 Weekdays 8:30-17:30 Online Reading 8899 Reply 3 I want to buy a fixed gear, is there anything I should pay attention to? Can someone give me some advice? ! Scan the QR code on WeChat to read the post at any time and share it with friends. Ai Tingting is really...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2324,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 237.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2324\nTitle: \"How to ride a fixed gear bike - Sohu Roll\"\nSummary: \"March 22, 2013 - Things to note when riding a fixed-gear bike 1. You must learn how to brake before riding a fixed-gear bike. 2. You must concentrate on riding a fixed-gear bike and not be distracted. 3. Since there are no brakes, you cannot ride a fixed-gear bike on the road...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 29.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2325,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1449.38 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Precautions\"\nQuery Dwell Time: 237.73 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2325\nTitle: \"What is a fixed gear? How to choose and ride a fixed gear (8) - Sanjiu Health Hall\"\nSummary: \"Things to note when riding a fixed-gear bike: Keep your sight as far as possible when riding a fixed-gear bike. It is not easy to ride a fixed-gear bike well. There are many details to pay attention to when riding a fixed-gear bike, such as where to look when riding a fixed-gear bike. If you don't pay attention to this problem, you will really fall...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2326,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage\"\nQuery Dwell Time: 233.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2326\nTitle: \"New regulations for checked baggage when flying to the United States [Numbers speak... We can't afford to mess with checked baggage] - [Everyone shares...\"\nSummary: \"For those who are going to the United States to study, checked luggage is obviously a big concern for them! So the baggage check-in before boarding is more or less different for each airline, such as price, weight limit, etc. ~ Let's take a look at some of the United States and China...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 154.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2327,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage\"\nQuery Dwell Time: 233.6 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2327\nTitle: \"Air China's new international regulations: Free baggage for flights to the United States and other places is reduced to 1 piece | International | United States | International flights_New...\"\nSummary: \"May 16, 2016 - Air China's new international regulations: Free baggage for flights to the United States and other places is reduced to one piece. Reporters learned that Air China has launched a new policy of free checked luggage. From 00:00 on June 15 (ticket purchase date), passengers who take Air China's actual flights to the Americas, Europe,...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2328,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage Liquids\"\nQuery Dwell Time: 127.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2328\nTitle: \"The latest regulations on checked baggage for each airline flying to the United States_US air tickets and travel\"\nSummary: \"3. Continental (Continental Airlines, merged with UA, baggage requirements are exactly the same as UA, please refer to the above... Inch: Inch, imperial unit of length Liquids: Liquid Economy Class (cabinet): Economy class, generally...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.13 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2329,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage Liquids\"\nQuery Dwell Time: 127.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2329\nTitle: \"What you can and cannot bring into the United States\"\nSummary: \"If your flight is from Beijing to Shanghai and then to the United States, you will usually check your luggage in Beijing. Regarding U.S. customs,... Dairy products are generally allowed. Including yogurt and cheese, but because they are liquids, they must be checked. Soy products are...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.63 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2330,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Luggage Liquids\"\nQuery Dwell Time: 127.84 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2330\nTitle: \"Can I check in liquids when I fly to the United States? - Qyer Q&A\"\nSummary: \"If you bring it with you, each liquid package cannot exceed 100ml, and then put all of them in a transparent bag. However... Also note that domestic flights in the United States require checked baggage, except for some airlines.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2331,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States, you cannot check in your luggage\"\nQuery Dwell Time: 103.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2331\nTitle: \"Shocked! Can't bring laptops with you when flying to the United States? | Meijing App\"\nSummary: \"May 19, 2017 - EU and US officials will meet in Washington next week to discuss the technical practicalities of expanding the ban. US... Many companies are likely to prohibit employees from checking in laptops because of concerns about the risk of sensitive information leakage.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2332,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States is prohibited\"\nQuery Dwell Time: 78.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2332\nTitle: \"International standards may be revised: laptops will be banned from checked baggage on airplanes_Phoenix Technology\"\nSummary: \"October 23, 2017 - On October 23, I believe that many people will choose to put their laptops in the luggage for check-in when they take a plane, but this service may no longer be allowed in the future. The Fortune magazine website reported on the 21st that...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 39.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2333,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Must carry on when flying to the United States\"\nQuery Dwell Time: 336.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2333\nTitle: \"You can't bring glasses cases with you when flying to the United States - Sohu News\"\nSummary: \"August 31, 2006 - Today's News (Chen Song, trainee reporter Dong Baoyu) Starting tomorrow, if you fly to the United States, you cannot carry your glasses case with you, you must check it in. American airlines have made a special rule this time: in carry-on luggage, whether it is contact lenses or...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2334,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Checked baggage is required for flights to the United States\"\nQuery Dwell Time: 109.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2334\nTitle: \"AA Airlines, Shanghai to Los Angeles, transfer to San Francisco, checked baggage issues - Mafengwo\"\nSummary: \"Before you check in, you can confirm with the flight attendant. There are at least 2-3 Chinese-speaking flight attendants on domestic flights to the United States. AA baggage check-in regulations: Yes, AA airlines do have regulations that the three sides of the luggage cannot exceed 158CM. But in general...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.42 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2335,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Checked baggage is required for flights to the United States\"\nQuery Dwell Time: 109.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2335\nTitle: \"Can I carry cosmetics such as face cream on flights to the United States? Do I have to check them in? Or can I bring them...\"\nSummary: \"Cosmetics and even baby products cannot be brought on planes to the United States. However, your items are creams and liquids. If you find it troublesome or don't want to bother, it is recommended that you check them in. Because these items are in the category of whether they can be checked or not...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2336,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Checked baggage is required for flights to the United States\"\nQuery Dwell Time: 109.88 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2336\nTitle: \"United Airlines China to the United States: Check in three pieces of luggage. I have a question for you experts: In the United States...\"\nSummary: \"Home Discover Topics Login Join Zhihu International Flights Study Abroad United Airlines Star Alliance US Travel 11 Views ... Shanghai-Los Angeles-Houston, United Airlines ticket, free check-in of two boxes, extra $200 for the third box...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2337,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Check-in Information\"\nQuery Dwell Time: 636.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2337\nTitle: \"Traveling to the United States: Airplane and checked baggage tips_Xin Blog\"\nSummary: \"The United States is limited to one piece of checked baggage per person, and the weight of each piece must not exceed 23 kg; Canada is limited to one piece per person, and the weight must not exceed 23 kg; there is no free checked baggage on domestic flights. The first piece of luggage is charged at US$20 per piece, and the second piece of luggage will be charged at US$30...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 255.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2338,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Check-in Information\"\nQuery Dwell Time: 636.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2338\nTitle: \"[2017] Things to note when taking international flights to the United States doc download_iAsk shared document\"\nSummary: \"However, once you enter a place, you need to pick up your checked luggage. For example, if you fly from China to the United States, transfer once in Japan, transfer again in Chicago, and your final destination is Detroit, then you are just transiting in Japan, so you don't need to pick up your luggage when you arrive in Chicago...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 234.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2339,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1806.1 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Flying to the United States Check-in Information\"\nQuery Dwell Time: 636.97 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2339\nTitle: \"What should I pay attention to when checking baggage with China Eastern Airlines to Los Angeles - Los Angeles Chinese Information Network\"\nSummary: \"I will take Delta Airlines from the United States to Shanghai Pudong Airport, and then take China Eastern Airlines domestic flight from Shanghai Pudong Airport to Kunming the next day. Delta Airlines allows 2 pieces of checked luggage for free. Can I take China Eastern Airlines the next day?\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2340,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2340\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.59 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2341,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2341\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.6 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2342,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 173.36 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2342\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 139.4 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2343,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 266.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2343\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2344,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking effective methods\"\nQuery Dwell Time: 266.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2344\nTitle: \"How to quit smoking_the best and most effective way to quit smoking and the benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Everyone should know that smoking is harmful to health, but it is not so easy for smokers to quit smoking. In modern society, there are many products and methods for quitting smoking, such as electronic methods, quitting incense and tea, quitting drugs and ointments, etc. So which one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 62.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2345,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2345\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.72 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2346,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 70.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2346\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2347,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 197.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2347\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 66.45 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2348,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 197.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2348\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 83.56 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2349,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 53.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2349\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2350,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 187.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2350\nTitle: \"First experience with Google Glass: powerful and easy to use - Alibaba Cloud Information Network\"\nSummary: \"When I used the \"Read Aloud\" feature, Google Glass read the bold text as \"asterisks\"... Also, because I wore a visor with Google Glass, many people didn't notice that I was wearing Google Glass. Previously...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 103.66 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2351,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 187.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2351\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"2 How to use Google Glass Suggestions: Search online for Google Glass tutorials. Here are 3 ways: 1.... Setting up Google Glass is very simple. First, you need to install the MyGlass app on your Android phone, then...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.5 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2352,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 187.87 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2352\nTitle: \"How to use Google Glass? - Home Decoration | Yiqi.com Decoration\"\nSummary: \"Plug the mouse cable into the back of the base, make sure the Google Glass battery is sufficient to start the mouse, there is an ON\/OFF prompt under the mouse, flip the switch to the ON position, and make sure the base is powered, click another oval button,...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2353,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass How it works\"\nQuery Dwell Time: 73.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2353\nTitle: \"Developers teach you how to operate Google Glass? _Page 1_Nanjing Book World IBMthinkpad computer...\"\nSummary: \"Dan McLaughlin was one of the first people to get the developer version of Google Glass... He also released a video of the unboxing of Google Glass as soon as possible, although the quality of the video was\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.77 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2354,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 555.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass How it works\"\nQuery Dwell Time: 73.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2354\nTitle: \"What is Google Glass used for? The practical application of Google Glass is revealed_ChaChaBa\"\nSummary: \"Display real-time information in front of the user, and you can take photos and upload them, send and receive text messages, check weather and road conditions, etc. with just a blink of an eye. Next, let's take a look at the actual application of Google Glass. 1. Get notifications and reminders Google Glass can directly...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2355,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"hong kong iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 288.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2355\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 960 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 113.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2356,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"hong kong iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 288.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2356\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"When the iPhone 6 was first launched in Hong Kong, the price of the iPhone 6 sold in Changchun reached a maximum of 16,000 yuan. After that, the price gradually dropped from 9,000 yuan to 7,500 yuan, and then from 7,500 yuan to 6,800 yuan. During the National Day...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 136.86 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2357,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Apple Hong Kong official website\"\nQuery Dwell Time: 468.65 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2357\nTitle: \"Apple(HK)\"\nSummary: \"Discover the innovative world ofAppleand shop everything iPhone, iPad,AppleWatch, Mac, andAppleTV, plus explore accessories, entertainment, and expert device support.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 438.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2358,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone import tariffs\"\nQuery Dwell Time: 130.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2358\nTitle: \"How much customs duty do I need to pay for bringing a mobile phone into the country from Hong Kong? - Customs duty collection and administration - Customs duty consultation - Tax collection consultation...\"\nSummary: \"Is it smuggling to bring back two iPhone 6s from Hong Kong and resell them? Is there any legal basis for the iPhone 6 to be tax-free? ... How to calculate? Answer: According to the General Administration of Customs Announcement No. 25 of 2007, the duty-paid value of inbound passenger luggage and personal mail items...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.97 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2359,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone import tariffs\"\nQuery Dwell Time: 130.44 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2359\nTitle: \"Is it considered smuggling to bring an iPhone from Hong Kong into the mainland? - Consultation Center - China Customs Lawyers Network\"\nSummary: \"I bought 30 iPhones from Hong Kong for my friend, each costing about 4,000 yuan. If I put them in a suitcase, will the customs check it? If they check it, do I have to pay customs duties? It won't be considered smuggling, right? Answer: Hello. According to the General Administration of Customs Announcement No. 72 of 2007,...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 62.16 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2360,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 import tariff\"\nQuery Dwell Time: 172.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2360\nTitle: \"What are the regulations for bringing iPhone 6 into the country? _IT Breaking News_Nanfang.com\"\nSummary: \"September 29, 2014 - The tax is about 440 yuan. In practice, the customs recommends that everyone who travels to Hong Kong should bring one iPhone 6 for personal use into the country, and then declare it actively and the tax will be collected; you can also choose...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 126.79 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2361,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version Domestic operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2361\nTitle: \"Reliable news: China Mobile 4G network supports iPhone 6 versions in mainland China and Hong Kong_Sina Guangdong_Sina.com\"\nSummary: \"September 1, 2014 -Whether the 5.5-inch model will be released has not yet been determined. What is certain is that this time in China (including Hong Kong)... Telecommunications operators are actively preparing for the launch of iPhone 6. The launch of iPhone 6 is an annual event in the communications industry.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 118.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2362,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2362\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The Hong Kong version of iPhone 6 can \"cover all 3G and 4G standards of all operators in the world\", and is \"all-network compatible\", with a very high cost performance. Several anxious mainland consumers took their iPhone 5s and asked the clerk if they could use the old...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 137.43 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2363,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2363\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 64.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2364,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Operators\"\nQuery Dwell Time: 508.91 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2364\nTitle: \"Can anyone tell me whether the Hong Kong version of iPhone 6 plus supports China Telecom?_Computer network problem_Tubatu ask\"\nSummary: \"The hardware of iPhone 6 supports the telecommunications network, but since there are no operators using CDMA networks in Hong Kong, there are two models of iPhone 6 in Hong Kong: A1549 and A1586. A1549 is divided into GSM version and CDMA version. GSM...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 150.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2365,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iphone6 \u200b\u200bTelecom crack\"\nQuery Dwell Time: 109.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2365\nTitle: \"How to use China Telecom SIM card on iPhone 6\/plus - Mobile China Forum\"\nSummary: \"[Tutorial] How to use the telecom card on iPhone 6\/plus in Hong Kong [Weekend Benefits] Issue 19: The most impressive movie for you Mobile phone photography of the small country San Marino \"Trendy\" & \"accumulated\" Hong Kong Using mobile phone camera, strolling on the streets of Chengdu Powerful battle...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.7 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2366,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1818.28 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iphone6 \u200b\u200bTelecom crack\"\nQuery Dwell Time: 109.19 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2366\nTitle: \"Can the Hong Kong version of iPhone 6 be cracked and used with a telecom card?_Second-hand mobile phone forum_PConline product forum\"\nSummary: \"There is no China Telecom in Hong Kong~ The Macau version is OK~ Signature My business card http:\/\/img.pconline.com.cn\/images\/upload\/... There may be a crack soon... Signature Guangzhou welcomes you Lv12 Pacific Fleet Admiral Contribution 5095, distance...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.89 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2367,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 162.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2367\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Tsinghua University 11 How many high school students, how many people dream of this place, I can only club, I can't come here to study but I can still come here to swim haha, the environment here is very good, the water quality is also good, especially the price is very cheap, \uffe518 per person is already...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.96 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2368,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 162.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2368\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The 7 yuan student price at the swimming pool is still very...\"\nSummary: \"I'm looking for: The student price of 7 yuan for the swimming pool is still very cheap, and there are often a lot of people. It is divided into deep water area and shallow water area. The water is relatively clean. The west side is the diving area, the water temperature is higher, there are diving platforms and springboards, usually only used for classes and training and not open to the public...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.05 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2369,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Card Application\"\nQuery Dwell Time: 77.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2369\nTitle: \"Transfer Tsinghua University Swimming Pool Student Swimming Card tam10 Shuimu Community\"\nSummary: \"Graduation Ceremony Pick-up 01 in Shinjuku gana986 Fresh 418 siro2629 Ero Geba ~ Tree's Torment pmc003 Ultimate Schoolgirl Uppers I spn381 College Girl's School Festival Queen vnds305 The Husband of the Next Door Living in the Housing Complex...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2370,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Card Application\"\nQuery Dwell Time: 77.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2370\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"If you don't swim too often, you can buy a 3-month season pass issued by Haidian Swimming Pool, which is slightly more expensive than Tsinghua's. Answer creator Buyi Acceptance rate: 0% Answer time: I will answer Welcome to Business Tips! Dear, please log in to start your business tips...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.57 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2371,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Student Price\"\nQuery Dwell Time: 217.56 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2371\nTitle: \"[Beijing Peking University Tsinghua Swimming Pool Price | Swimming Club | Baby Swimming Pool] - Beijing Ganji.com\"\nSummary: \"Beijing Ganji.com Swimming Channel is a professional free inquiry and release platform for swimming information of Peking University and Tsinghua University in Beijing, including the price of Peking University and Tsinghua University swimming pool, swimming club, baby swimming pool, swimming service phone number, price and other information. Find Beijing Peking University and Tsinghua University swimming...\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2372,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 67.13 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2372\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.9 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2373,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 67.13 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2373\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.92 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2374,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 720.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 47.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2374\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2375,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 298.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2375\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.62 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2376,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 127.95 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2376\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.91 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2377,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Comparison\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2377\nTitle: \"Which one of the Japanese aircraft carrier \"Izumo\" and the Chinese aircraft carrier \"Liaoning\" has stronger combat capability? -...\"\nSummary: \"Liaoning is just an experimental platform. It is unfair to compare it with mature weapons. The Japanese ship is the second one, and Liaoning is still under test. The carrier-based aircraft are still under test, and they take off without bombs, so it will take some time to form combat effectiveness. The Japanese...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2378,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Comparison\"\nQuery Dwell Time: 86.21 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2378\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 38.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2379,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other aircraft carriers\"\nQuery Dwell Time: 164.98 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2379\nTitle: \"The newly launched Liaoning is currently the most advanced aircraft carrier in the world\"\nSummary: \"The Liaoning is a medium-sized aircraft carrier with a displacement of 65,000 tons. Therefore, there is a criticism that why it is not a large aircraft carrier? The reason is that the contemporary naval concept is not that the larger the better, the current size is the best. And the United States...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2380,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Comparison between Liaoning and other aircraft carriers\"\nQuery Dwell Time: 164.98 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2380\nTitle: \"Comparison of main aircraft carriers in various countries around the world - Navy version - Super Base Military Forum - The most influential military...\"\nSummary: \"You need to download or view, no account? Join the super large military x aircraft carrier comparison related posts The most influential military... Comparison chart of the main aircraft carriers of various countries in the world, comparison chart of the main aircraft carriers of various countries in the world-Navy version-\u2261 Super Military Zone \u2261-Super Base Camp Military...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.07 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2381,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 205.89 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2381\nTitle: \"Chinese media commented on the commissioning of China's first aircraft carrier: of great strategic significance_Military Channel_ifeng.com\"\nSummary: \"September 26, 2012 - The article \"Land and Navy's Deep Blue Economy, Multiple Strategies of Sea Power\" in Taiwan's China Times stated that the construction of aircraft carriers by the mainland has multiple strategic significances and urgent practical needs. Aircraft carriers can improve the long-range combat capabilities of the Chinese Navy at sea...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 65.64 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2382,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 954.16 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic significance\"\nQuery Dwell Time: 205.89 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2382\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 96.29 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2383,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 103.04 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employees icebreaker game 10 people\"\nQuery Dwell Time: 86.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2383\nTitle: \"\u3010Ice-breaking game for new employees\u3011-liepin.com\"\nSummary: \"1. New employee training, first clarify ...New employee onboarding ice-breaking game related information 1. Tug of war is actually the best way to show unity... Number of people: 5-10 people Props: None Suitable occasions: ...View all Introduction: Through the group, their affinity motivation, influence...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 67.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2384,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing surrounding area travel in May\"\nQuery Dwell Time: 39.0 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2384\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2385,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings 7-Day Tour in May\"\nQuery Dwell Time: 77.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2385\nTitle: \"Mentougou District May 1st Tourism Activities [May 1st-7th] - Beijing - Bindou.com\"\nSummary: \"During the \"May Day Golden Week\", there are many tourist activities. Tourist Transportation Guide: From May 1st to May 7th, Beijing Tourism... Miaofeng Mountain has become one of the most culturally rich scenic spots around Beijing. The famous Miaofeng Mountain Niangniang Temple was built in...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.88 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2386,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings 7-Day Tour in May\"\nQuery Dwell Time: 77.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2386\nTitle: \"Beijing Travel Agency_Five-day Tour Quote_Beijing Tour Group Quote Five-day Tour\"\nSummary: \"End of a pleasant trip to Beijing. Our Beijing travel agency shuttle bus has a unified group delivery time. Tags: Beijing five-day tour route quotation,... http:\/\/lxs.cncn.com\/81668\/l318016 Beijing surrounding scenic spots tour route http:\/\/lxs.cncn.com\/81668\/l...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2387,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 166.12 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings 7-Day Tour in May\"\nQuery Dwell Time: 77.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2387\nTitle: \"Recommended tour routes around Beijing during the May Day holiday\u4e28Where is the best place to travel during the May Day holiday?\u4e28Five - Beijing 58.com\"\nSummary: \"Recommended tour routes around Beijing during the Labor Day holiday | Where is the best place to travel during the Labor Day holiday? | Labor Day is coming again. Are you busy and still not sure where to go? Don't worry, Beijing Yuanye Travel Agency can solve your troubles! Farmhouse...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.4 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2388,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycles Near Tsinghua University\"\nQuery Dwell Time: 462.57 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2388\nTitle: \"[A big offer for the start of the new semester] Peking University freshmen will never be cheated when buying a bicycle after reading this!\"\nSummary: \"Generally speaking, except for some professional bike shops around Tsinghua University (such as the Fixed Gear Park), the quality of similar fixed gear bikes sold in the vicinity of Peking University is not up to standard, and it is not recommended to buy them. In fact, the real fixed gear bike players, their mounts are expensive...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 406.02 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2389,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Park\"\nQuery Dwell Time: 49.95 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2389\nTitle: \"Makara Fixed Gear Park (Fixed Gear Shop) phone number, address, price, business hours (picture) - North...\"\nSummary: \"Popular cities There are expiring Nuomi coupons View orders Not rated Go to rate orders Not paid Go to pay New merchant replies View Data loading... Baidu Nuomi: nuomivip Popular categories Chinese food Group purchase Makara Fixed Gear Park (Fixed Gear...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.47 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2390,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 138.52 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2390\nTitle: \"Fixed Gear Park Makara Store_Fixed Gear Park Makara Bar_Baidu Post Bar\"\nSummary: \"Fixed Gear Park makara..Fixed Gear Park makara Hefei Maanshan Road and Wanjiang Road intersection Hedi Lanwan Square Take: 9, 51, 109, 133, 134, 138, 146, 902 Get off at Xiaozhu, in the alley next to GreenTree Inn, contact...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2391,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Makara Fixed Gear Park\"\nQuery Dwell Time: 138.52 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2391\nTitle: \"Beijing Makara Fixed Gear Park Reviews, Makara Fixed Gear Park Address_Evaluation, Beijing Shopping - Ant...\"\nSummary: \"Beijing Makara Fixed Gear Park Reviews, including Beijing Makara Fixed Gear Park address, reviews and other practical information, real bees personally experienced Makara Fixed Gear Park reviews and shopping experiences, business photos, come to Mafengwo Beijing Tourism Shopping Guide to see everyone...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2392,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Makara Fixed Gear Park Price\"\nQuery Dwell Time: 66.63 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2392\nTitle: \"Makara Fixed Gear Park: \"The entry-level fixed gear for beginners is still more than 1,500 yuan, and they earn too much...\"\nSummary: \"Comments from the Fixed Gear Club on Makara Fixed Gear Park: The entry-level fixed gear bikes for beginners cost more than 1,500 yuan. They make too much money. I built one for them: aluminum alloy frame, Jiuyu bearing hub, olive chain, Lesk pressure plate for only 2,200 yuan. The quality is very good....\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2393,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Price\"\nQuery Dwell Time: 78.5 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2393\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 63.29 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2394,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 71.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2394\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.71 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2395,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 1108.7 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 71.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2395\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.74 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2396,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Hand luggage Mass and volume\"\nQuery Dwell Time: 587.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2396\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 156.79 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2397,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Hand luggage Mass and volume\"\nQuery Dwell Time: 587.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2397\nTitle: \"About checked baggage on international flights Page 991 - Yue Travel\"\nSummary: \"Domestic flight baggage restrictions and charges: The volume of non-checked baggage (carry-on baggage) for all domestic passengers shall not exceed... #Phuket #AirAsia aircraft luggage check-in issues There are cosmetics About international flight check-in issues About international flight check-in issues...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.25 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2398,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Hand luggage Mass and volume\"\nQuery Dwell Time: 587.13 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2398\nTitle: \"International Flight Luggage Weight\"\nSummary: \"International flight checked baggage regulations China International Airlines international flight checked baggage regulations, the specific content is as follows: International... The volume (sum of three sides) does not exceed 115 cm (45 inches), and one fully foldable lightweight stroller or...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 263.52 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2399,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International Hand Baggage Total Fluids\"\nQuery Dwell Time: 54.13 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2399\nTitle: \"I have a question. International flights stipulate that the liquid in carry-on luggage cannot exceed 100ml. Is it a single...\"\nSummary: \"Is it that the single volume cannot exceed 100ml or the total volume cannot exceed 100ml? If I use the sub-bottles to divide them into 50ml, can I take five or six? It's just some toiletries\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.65 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2400,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Random baggage\"\nQuery Dwell Time: 85.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2400\nTitle: \"Can someone tell me what the dimensions of a random checked luggage are? _Home Living Decoration | YiQi Net Decoration\"\nSummary: \"Can someone tell me the size of a checked luggage? There are two types of luggage: economy class and business class. The size of economy class luggage should not exceed 800... Are there any size requirements for checked luggage on international flights? It is said that they are all 158, what are the specifications? The size of the wheels is calculated...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2401,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights Random baggage\"\nQuery Dwell Time: 85.8 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2401\nTitle: \"Random checked baggage fees for international flights - Los Angeles Chinese Information Network\"\nSummary: \"I know that American Airlines allows two 23kg large boxes for international flights, while Air China only allows one large and one small. How many are allowed for domestic flights in the US? How heavy? How big? Thank you!\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 29.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2402,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Random consignment\"\nQuery Dwell Time: 82.46 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2402\nTitle: \"What goods cannot be shipped by air? - Shenzhen Air Transport Company\"\nSummary: \"Random air consignment means that a small amount of luggage is checked in directly at the airport when checking in. Air consignment refers to air consignment handled by an air logistics company, which is generally a large amount of goods or goods that cannot be checked in directly. Air consignment and random...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 40.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2403,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Must be checked\"\nQuery Dwell Time: 49.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2403\nTitle: \"[What are the items that cannot be checked in] Airport security check - Mafengwo\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2404,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights must be checked in\"\nQuery Dwell Time: 54.8 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2404\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2405,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1761.21 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flights must be checked in and cannot be carried on board\"\nQuery Dwell Time: 131.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2405\nTitle: \"Can I bring my camera with me when I fly? _Private Jet Network\"\nSummary: \"The following items may not be checked as baggage or placed inside baggage, nor may they be carried into the cabin as free carry-on items. ...International flights: Follow the relevant regulations of international routes. Air China baggage transportation accident handling consultation phone number: Domestic: 010-...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 88.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2406,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 66.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2406\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.86 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2407,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 128.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2407\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.53 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2408,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 128.84 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2408\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.11 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2409,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 125.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2409\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.8 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2410,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 475.76 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 125.52 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2410\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"Ten best ways to quit smoking. A must-read guide for beginners of Attack on the Devil. Game guide of Attack on the Devil. Video guide of the hidden maze of Final Fantasy 15. How to pass the maze of Final Fantasy 15? A quick guide for beginners of Everyday Speed. Guide of Everyday Speed \u200b\u200bfor Onmyoji...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 78.07 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2411,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Sogou Encyclopedia\"\nQuery Dwell Time: 41.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2411\nTitle: \"Sogou Browser: [Google Glass - Google Today...\"\nSummary: \"Sogou Browser: [Google Glass - Google today officially confirmed that it is developing Project Glass extended reality glasses] Google Glass is called \"Project Glass\". The operations that the wearer of the glasses can complete by themselves include: controlling music playback, regulating...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.08 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2412,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Encyclopedia\"\nQuery Dwell Time: 51.47 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2412\nTitle: \"In-depth analysis of Google Glass - OFweek Optical Network\"\nSummary: \"Therefore, if you want to search for content through Google Glass, it will default to reading brief content from Wikipedia first. If you want to know more detailed information, you also need to tap the touchpad to view the specific content. Application Currently, The New York Times...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2413,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 40.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2413\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2414,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 40.09 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2414\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.35 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2415,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 41.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2415\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.39 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2416,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 226.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 41.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2416\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.65 ms on the document.\nDocument's click-through rate (CTR) is 0.02\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2417,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 purchase in Hong Kong\"\nQuery Dwell Time: 82.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2417\nTitle: \"Buy iPhone 6 in Hong Kong - Hong Kong - 16th Floor\"\nSummary: \"How to buy iPhone 6 & 6+ in Hong Kong now 1. Location: various Apple stores (Hong Kong Financial Building, Tsim Sha Tsui Apple Store...) 2. Time: 9:00 am-7:30 pm is the more accurate time to buy the phone 3. Method: No need to make an appointment, just queue up in the store...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.46 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2418,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 purchase in Hong Kong\"\nQuery Dwell Time: 82.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2418\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I want to know about the purchase of iPhone 6 in July~ 8342 views 0 people follow Follow Answer 10 answers [The questioner accepts] It is not convenient for you to go to those three...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2419,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 purchase in Hong Kong\"\nQuery Dwell Time: 82.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2419\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"HK\/reserve\/iPhone\/availability Pick up on the same day after successful reservation (you need to prepare a Hong Kong mobile phone number that can send SMS to receive verification code, Hong Kong and Macau Pass ID number and Apple ID) [The store currently does not accept direct purchases by queuing] Xianda...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2420,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 561.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 tariff\"\nQuery Dwell Time: 45.99 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2420\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2421,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 96.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2421\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 43.37 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2422,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 96.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2422\nTitle: \"[2017 Latest Tsinghua University Swimming Pool Travel Guide]_Tsinghua University Swimming Pool Latest Information...\"\nSummary: \"Tuniu Tsinghua University Swimming Pool Tourism Information Network provides you with Tsinghua University Swimming Pool Tourism Information, the latest Tsinghua University Swimming Pool latest information travel guide, and tourism information from Tsinghua University Swimming Pool. If you want to travel, look for Tuniu! Tuniu.com\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.76 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2423,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 78.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2423\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.52 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2424,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 78.41 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2424\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.36 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2425,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 44.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2425\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.59 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2426,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Winter Opening Hours\"\nQuery Dwell Time: 44.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2426\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.27 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2427,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chen Ming Swimming Pool\"\nQuery Dwell Time: 105.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2427\nTitle: \"Beijing - Tsinghua University Chen Ming Swimming Pool - Map, Bus, Address, Phone\"\nSummary: \"Tsinghua University Chen Ming Swimming Pool is located at Tsinghua University, No. 30 Shuangqing Road, Haidian District, Beijing. Tel: 010-62792477; 010-62792475. Sogou Map provides you with the location, map, bus query, and self-driving route of Tsinghua University Chen Ming Swimming Pool...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.04 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2428,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chen Ming Swimming Pool\"\nQuery Dwell Time: 105.39 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2428\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It's a very good swimming pool. If it's...\"\nSummary: \"Wenwen__'s review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It's a very good swimming pool. If you go there during the day, there are fewer people and the water is clear. After all, most of the people who come here to swim are students and teachers. It's relatively safe. There are also special...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2429,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Student Ticket\"\nQuery Dwell Time: 55.43 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2429\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The facilities are very good, the water should be changed every day,...\"\nSummary: \"Maiqiu88's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): The facilities are very good, and the water should be changed every day, but there are too many people, so it is best to go at noon. The water is really turbid if you go at night. It is very cheap for students, only 7 yuan, teachers 12, and other schools...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2430,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Swimming Card Price\"\nQuery Dwell Time: 90.19 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2430\nTitle: \"Is Chen Ming Swimming Pool (Tsinghua University Swimming Pool) expensive? Is the environment\/service good? - Meituan.com\"\nSummary: \"Meituan.com pays attention to netizens' comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch). How is the environment? Is the service good? Meituan.com rated the store 4.4 stars, which was okay, but I had to wait for a long time, which was not good.\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 52.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2431,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Chenming Swimming Pool Swimming Card\"\nQuery Dwell Time: 96.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2431\nTitle: \"\u3010Chen Ming Swimming Pool\u3011Chen Ming Swimming Pool Group Purchase - Meituan.com\"\nSummary: \"Chen Ming Swimming Pool Group Buying Special, here you can find the most affordable and preferential Chen Ming Swimming Pool Group Buying, Chen Ming Swimming Pool Group Buying All! At the same time, there are also a variety of Chen Ming Swimming Pool Group Buying Packages for you to compare and choose, with super low discounts and high cost performance, helping you save...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.44 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2432,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card\"\nQuery Dwell Time: 151.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2432\nTitle: \"[Long-term transfer of Tsinghua Hotel swimming card monthly card original price 490, now 450] - Changzhi consumption card\/purchase...\"\nSummary: \"02-13 02:44 Published 450 yuan | Contact: Lala [Merchant] Phone: Information number: 188738503 I have been selling Tsinghua Hotel swimming cards for a long time. The original price of the monthly card is 490, and now it is 450. It is absolutely authentic. You can trade in person and check the card on site. When you contact me,...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.66 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2433,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card\"\nQuery Dwell Time: 151.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2433\nTitle: \"[Tsinghua University Swimming Card | Tsinghua University Swimming Card Transfer Information] - Beijing 58.com\"\nSummary: \"Address: Price: Supply and demand: There is less information at present, we recommend the following information for you 1000 yuan transfer swimming card 1000 yuan Xisanqi today 1 yuan transfer swimming card 1 yuan Sijiqing merchant today 1 yuan transfer swimming card 1 yuan Sijiqing merchant today ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.14 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2434,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 890.04 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Swimming Card\"\nQuery Dwell Time: 151.17 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2434\nTitle: \"Transfer Tsinghua University Swimming Card_Huilongguan Online Trading Market_Huilongguan Community Network\"\nSummary: \"The swimming card has 13 times left, which is a three-hour session. Tsinghua's current price is: 16.7 yuan\/time. Special half-price transfer to swimming... The second is Renmin University. Don't go to the Capital Gymnasium and the Ocean Sports Center. The sanitary conditions are not good. If you don't believe it, go to Tsinghua Swimming Pool and try it...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2435,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 138.29 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 37.66 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2435\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"It also attracted the widest attention and caused corresponding waves. From the strategic significance of Liaoning, it marks that China has bid farewell to the era of no aircraft carriers and has entered the ranks of aircraft carrier countries. The nature of the Chinese navy and even the army will change from now on...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.09 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2436,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 301.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2436\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.79 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2437,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 301.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2437\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Tie up - (Applicable to: teamwork) Brief description: Complete several tasks by being tied together Number of people: unlimited Venue: unlimited Props: rope or other things that can be tied Something for everyone...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.0 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2438,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 312.09 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 301.94 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2438\nTitle: \"Commonly used indoor ice-breaking games_Chengzhi Development\"\nSummary: \"1. [Ice-breaking game] Face-to-face introduction Game rules: Arrange all people into two concentric circles. The concentric circles rotate as the singing continues. When the singing stops, the two people facing each other should introduce themselves to each other. Notes: (1) Arrange into two concentric circles facing each other, with the sides facing each other.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 78.54 ms on the document.\nDocument's click-through rate (CTR) is 0.22\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2439,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2439\nTitle: \"\u3010Beijing Beijing Surrounding Areas\/Beijing Surrounding Areas Tourism Network | Travel Guide | Travel Company\u3011- Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com Tourism Channel is the largest free inquiry and release platform for tourism service information in Beijing and its surrounding areas, including tourism service telephone numbers, prices and other information. To find tourism services in Beijing and its surrounding areas, please visit Ganji.com Beijing Tourism Channel.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 190.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2440,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2440\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 98.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2441,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2441\nTitle: \"\u3010Beijing District Tours | Surrounding Tours | Surrounding Tours Travel Network\u3011-Beijing Ganji Network\"\nSummary: \"Beijing Ganji.com's Suburban Tours channel is a professional free inquiry and release platform for Beijing's suburban tours service information, including suburban tours, surrounding tours, surrounding tours travel websites, suburban tours service telephone numbers, prices and other information. To find Beijing suburban tours services, please go to Ganji.com...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 59.69 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2442,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 479.84 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"One-week tour around Beijing\"\nQuery Dwell Time: 411.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2442\nTitle: \"Recommended short-distance tour routes around Beijing during the \"October 1st\" week - Tourism Industry Main Forum - Beijing Fangtianxia\"\nSummary: \"Theme: Recommended short trip routes around Beijing during the \"October 1st\" week. Driving route: Beijing\u2014Jingshun Road\u2014Turn right at the Kuliushu Roundabout\u2014Pingshun Expressway\u201417 kilometers east of Pinggu to Jinhai Lake Scenic Area. Tickets: Jingdong Grand Canyon 36 yuan\/person...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.27 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2443,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 409.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles\"\nQuery Dwell Time: 244.64 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2443\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 42.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2444,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 409.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles\"\nQuery Dwell Time: 244.64 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2444\nTitle: \"Some \"fixed gear\" bicycles pose serious safety hazards_China Economic Net - National Economic Portal\"\nSummary: \"Our reporter Yang Lei Not long ago, a case pronounced by the People's Court of Changshan County, Quzhou City, Zhejiang Province, once again put \"fixed gear\" bicycles at the forefront of public opinion. The case occurred on December 25, 2015, when Xiao He and Xiao Hong were riding together for fun,...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 91.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2445,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 409.36 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Where to buy fixed gear bicycles\"\nQuery Dwell Time: 244.64 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2445\nTitle: \"Share the ranking of fixed gear bicycle brands purchased online in 2015 [Fixed Gear Bar]_Baidu Post Bar\"\nSummary: \"Here is the ranking of the most popular fixed gear bike brands sold online in 2015: 1. VISP This brand has always been considered a \"potential stock\". Its sales in 2012 and 2013 were average, and many people in the industry didn't know its name. However, in 2014, two online stores appeared...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 73.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2446,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 220.44 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 103.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2446\nTitle: \"[Baggage regulations for US flights] How many kilograms of checked luggage are allowed per person when flying to the United States? - ...\"\nSummary: \"(107 inches). Answer: Economy class flights to the United States allow each passenger to check in 2 pieces of luggage, each piece must not exceed 23 kg (actually it is okay if it exceeds a little). There is no weight limit for carry-on luggage, but there is a size limit. Carry-on luggage...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2447,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 220.44 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage restrictions for flights to the United States\"\nQuery Dwell Time: 103.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2447\nTitle: \"Luggage Shipping to the United States Page 8 - Yue Travel\"\nSummary: \"I'm going to the US from China, and I have to fly several times within the US. Except for one domestic segment which is AA, the rest of the domestic and US segments are all UA flights. Is this correct?\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.56 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2448,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 220.44 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Baggage allowance for flights to the United States\"\nQuery Dwell Time: 82.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2448\nTitle: \"\u3010Luggage\u3011Regulations of foreign airlines on luggage size\"\nSummary: \"When flying on international airlines, a standard 20-inch suitcase can be put into the luggage compartment above the seat. However, when arriving in the United States and flying to other small cities, there may be small planes that cannot be brought into the luggage compartment. But don't worry, this...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2449,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 145.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2449\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 100.36 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2450,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 145.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2450\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"The most scientific way to quit smoking 2017-10-09 The best way to quit smoking with Chinese medicine 2017-10-09 The correct way to quit smoking 2017-10-09 How to quit smoking most effectively 2017-10-09 How to quit smoking 2017-10-09 How to quit smoking quickly 2017-10...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.98 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2451,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Adverse symptoms after quitting smoking\"\nQuery Dwell Time: 163.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2451\nTitle: \"Adverse reactions after quitting smoking_Sohu Others_Sohu.com\"\nSummary: \"At this time, you need to replenish a lot of water. You can choose boiled water, beverages or drink more soup between meals, which can help remove toxins from the body. Side effects of quitting smoking 2: Sleep interruption: This symptom may be\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2452,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 327.97 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Adverse symptoms after quitting smoking\"\nQuery Dwell Time: 163.32 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2452\nTitle: \"Warning - Adverse reactions after quitting smoking | Health care - Dibao.com\"\nSummary: \"43-year-old Lao Zhao is a driver who has been smoking for more than 20 years. Just last month, his friend died of lung cancer, which touched him and he decided to quit smoking completely. He quit smoking by force and showed the symptoms of quitting smoking. Although he stopped smoking, he still...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2453,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2453\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.45 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2454,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2454\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.22 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2455,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 77.4 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2455\nTitle: \"Google Glass goes global and lands in the UK for \u00a31,000 | Leifeng.com\"\nSummary: \"June 24, 2014 - UK users can order glasses through Google Play, but the product is still the previous developer version - \"Explorer\" version. After purchasing Google Glass, users can also get glasses frames for free. UK...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2456,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 111.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2456\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.59 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2457,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 111.39 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2457\nTitle: \"Is Google a big profiteer? The cost of Google Glass is only 5% of the selling price - GamerSky.com\"\nSummary: \"May 1, 2014 - Google recently held a \"one-day sale\" event, and all five colors of Google Glass sold out in less than 12 hours. However, the hardware cost of Google Glass only accounts for 5% of its selling price, about $80.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.67 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2458,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 312.27 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 62.95 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2458\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us how to use Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located at the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 53.83 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2459,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 91.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2459\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.29 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2460,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 brings back tax\"\nQuery Dwell Time: 73.6 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2460\nTitle: \"How to bring iPhone 6 back to China in its original packaging? - Hong Kong - 16fan\"\nSummary: \"[Shopping] How to bring iPhone 6 back to China in its original packaging? ? Is the tax collected in Hong Kong or after returning to China? Where is the best place to put it for direct flights? Put your carry-on bag, so you don\u2019t need to go through the airport. If you are asked to go through the airport, just go through it. Just leave it to fate.\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 17.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2461,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much tax is charged if I bring iPhone 6 back from Hong Kong?\"\nQuery Dwell Time: 119.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2461\nTitle: \"I heard that if you buy an iPhone 6 from Hong Kong for more than 5,000 yuan, you will be charged tax? - Hong Kong - 16fan\"\nSummary: \"[Shopping] I heard that if you buy an iPhone 6 from Hong Kong for more than 5,000 yuan, you will be charged tax? The premise is that you are unlucky enough to be caught by customs. Yes. It depends on luck. Will you return to the mainland? No one will meet me in Hong Kong. How much can I send directly to the mainland? Is there any 6?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 49.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2462,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much tax is charged if I bring iPhone 6 back from Hong Kong?\"\nQuery Dwell Time: 119.47 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2462\nTitle: \"Don't forget to pay tax when buying an iPhone 6 when traveling abroad_NetEase News\"\nSummary: \"October 1, 2014 - Qingdao Customs officially issued a notice on September 30: Whether it is purchased on behalf of others, mailed or brought back to China, the iPhone 6... 10%. Take an iPhone 6 (16GB) as an example. The official Hong Kong website price is 5588 Hong Kong dollars. Qingdao...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.06 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2463,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 372.28 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone6 \u200b\u200bDomestic Operators\"\nQuery Dwell Time: 33.01 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2463\nTitle: \"Reliable news: China Mobile 4G network supports iPhone 6 versions in mainland China and Hong Kong_Sina Guangdong_Sina.com\"\nSummary: \"September 1, 2014 - Telecommunications operators are actively preparing for the launch of iPhone 6. The launch of iPhone 6 is an annual event in the communications industry. In order to welcome the arrival of this marketing war, major operators are preparing for it with the most active attitude. Because all domestic...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2464,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 187.74 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 155.31 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2464\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 147.97 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2465,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 568.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning vs. other aircraft carriers\"\nQuery Dwell Time: 192.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2465\nTitle: \"Comparison chart of Liaoning aircraft carrier and other countries' aircraft carriers - Nanning Life - Time and Space Network\"\nSummary: \"Topic: [Life Show] Comparison of Liaoning aircraft carrier and other countries' aircraft carriers (You are the 3160th reader of this post, with 15 replies in total)\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 49.34 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2466,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 568.22 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning vs. other aircraft carriers\"\nQuery Dwell Time: 192.99 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2466\nTitle: \"Comparison between Liaoning and other aircraft carriers - Chinese Literature\"\nSummary: \"The Chinese version of \"Foreign Journal \"Liaoning\" and the comparison of aircraft carriers of various countries\" Author: zuka21 It took me a whole afternoon. The pictures are too small. After translation, you need to download and enlarge them. The translation is not tiring, but please pity me for not sleeping at noon and being busy for 2-3 hours. Pin it to the top for 1-2 days...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 37.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2467,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2467\nTitle: \"Ice-breaking games are best suited for indoor use - Xuecan.com\"\nSummary: \"Ice-breaking games are best suited for indoor use. 1. Name game How to play: The team members sit in a circle and nominate one person at random... Suitable for: more than 10 people Materials and venue: None Applicable to: all students Time: 5-10 minutes Operation procedure 1)... Then everyone's code name is changed again. Key point: The fun of this game depends on the speed of the participants' reaction...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 44.94 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2468,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2468\nTitle: \"23 Icebreaker Games (for Indoor and Outdoor Group Training) - MBA Think Tank Documentation\"\nSummary: \"Indoor and outdoor group training games Ice-breaking games 1. Bundle up - (Applicable to: teamwork) Brief description: By being tied... At least ten people Venue: Indoor Scope of application: Suitable for friends who are familiar with the characters in the group Game method: 1. Divide into groups, each group of people...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 110.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2469,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2469\nTitle: \"15 Games to Use During Employee Training\"\nSummary: \"In training, games can be used to teach and entertain, experience learning, strong participation, active atmosphere, ice breaking, etc. The following are some... You can tell how logical everyone is, but you need to have a certain amount of time to control the game each time you play it, which is suitable for...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 64.98 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2470,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2470\nTitle: \"Training Ice Breaking Games Collection - MBA Think Tank Documentation\"\nSummary: \"The number of participants should not be less than 10. 2. Big Wind Game Type: Icebreaker Number of participants: No limit Game time... Ask him to draw a humorous sketch for each student (and trainer) and post these drawings in the appropriate place... and just observe from the side. Editor's Tips \u00b7 This is a pure icebreaker game, simple and easy to play, and the atmosphere is very...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2471,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2471\nTitle: \"A Complete Collection of Ice-breaking Games for Indoor and Outdoor Group Training\"\nSummary: \"Indoor and outdoor group training games Icebreaker games 1. Tie up and pass the level - (Applicable to: teamwork) Brief description: By being tied up... Brief description: Use different yes and no questions to guess the answer above your head Number of people: At least ten people Venue : Indoor application scope: suitable for...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2472,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2472\nTitle: \"Team games, icebreaker games, office games\"\nSummary: \"[Team Game] Sit Up This is a game that makes everyone understand the importance of cooperation. How to play: 1. First, the four of you... Tips This game is very suitable for taking a break or at the end of a meeting. [Ice Breaker Game] People Chair Form... 3. What is the result of this game? It explains why managers' instructions are often ignored. The natural result of behavior...\"\nRank: 15\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2473,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2473\nTitle: \"Selection of indoor ice-breaking games.doc\"\nSummary: \"Classic indoor ice-breaking games 1. Name game How to play: The team members sit in a circle and nominate a student to... Suitable for: more than 10 people Materials and venue: None Applicable to: all students Time: 5-10 minutes Operation procedure 1)... The one who holds the person opposite wins the bear, the bear wins the hunter, and the same action will start again. Exciting point: The fun of this game...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2474,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 542.76 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Suitable for new employee training, an icebreaker game with about ten people\"\nQuery Dwell Time: 535.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2474\nTitle: \"How to play the team icebreaker game \"Two Dollars\"\"\nSummary: \"Icebreaker games are a necessary part of many trainers' training, and they can achieve the purpose and expectation of training more quickly. Suitable for: more than 10 people. Venue requirements: none. Game nature: icebreaker. Game time: 10 minutes. Game play: 1....\"\nRank: 19\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2475,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2475\nTitle: \"Tour itinerary - price and cost of tour from Beijing to nearby areas - how much does it cost to tour nearby areas_Shenzhou International Travel\"\nSummary: \"How much does it cost to travel around Beijing, including quotes for local tours, precautions for local tours, visa application for local tours, etc. For inquiries, please call 400-662-9566 or 400-662-9766. You are welcome to call for inquiries.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 41.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2476,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2476\nTitle: \"...Beijing surrounding tour services - Beijing surrounding tour activities - Beijing surrounding tour costs and prices - surrounding tours - Earth City...\"\nSummary: \"Beijing Tours is a very important column in Beijing Tourism Channel, which contains information about Beijing Tours attractions, Beijing Tours routes, Beijing Tours destinations, Beijing Tours services, Beijing Tours activities and Beijing Tours prices.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.52 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2477,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Taoshan Lake in Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2477\nTitle: \"Cost plan for Beijing suburban tourism routes for units, groups and enterprises\"\nSummary: \"We can arrange travel routes for the requirements of enterprise teams and provide technical support for Xinxin Travel Network (CNCN.com)\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2478,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel expenses around Beijing\"\nQuery Dwell Time: 104.76 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2478\nTitle: \"[Beijing surrounding tourism costs] Laofeng Yingzuishi two-day tour | Gushanzhai travel route recommended...\"\nSummary: \"Beijing Suburban Tour Quotes In the original regular Beijing tour itinerary, we continue the iconic service of free door-to-door pick-up in Beijing, and give you a free flag-raising ceremony at Tiananmen Square. If you want to watch it, please make an appointment in advance! This tour is a pure play tour to ensure that tourists are fully...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2479,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2479\nTitle: \"Travel around Beijing_Domestic Travel_Baidu Experience\"\nSummary: \"Recommended means of transportation: self-driving. Self-driving is the main method for traveling around Beijing. Convenience is the primary consideration, and the distance is basically within... When Professor Lu Yunting, a famous tourism expert, visited this scenic spot, he believed that the density of pools and waterfalls in this scenic spot is rare in the suburbs of Beijing. Third, the waterfalls...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 164.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2480,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2480\nTitle: \"Survey on tourism activities in the surrounding areas of Beijing SW\"\nSummary: \"Distance from where you live Whether the attractions are attractive How much does it cost to travel Is the ecological environment good Is the transportation convenient Management... Religious and cultural activities Experience folk culture If you live within 6 hours of one-way drive (train or car) around Beijing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 55.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2481,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2481\nTitle: \"A complete guide to visiting grasslands around Beijing - Feiyang Travel Network\"\nSummary: \"Ningbo Tourism Network recommends you a complete guide to the grasslands around Beijing. Zhangjiakou Grassland A pure and green sea. Have you been to Zhangjiakou? There are also such romantic activities on the unrestrained grassland! Wander in the beautiful scenery of the grassland, feel the breeze on your face, and let your...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2482,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2482\nTitle: \"Recommended self-driving attractions around Beijing during the 2016 National Day holiday_Tourism_51Examination.com\"\nSummary: \"Travel.com authoritatively releases the recommended self-driving attractions around Beijing during the 2016 National Day holiday. More 2016 National Day holiday Beijing Week... The road is cold and slippery, and the braking distance will increase. At this time, you should pay attention to brake in advance, control the gear, and prevent the vehicle from locking...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2483,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism cost activities distance\"\nQuery Dwell Time: 297.32 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2483\nTitle: \"The latest self-driving tour guide around Beijing on New Year's Day_Tourism_51Examination.com\"\nSummary: \"[Transportation and fees for ski resorts around Beijing] 1. Beijing Yuyang International Ski Resort Winter business hours: 08:30-17:30 Price... Beijing Palace Museum officially implements online ticket sales on the 10th Where to travel in winter These attractions are the most beautiful in winter Must-see in Hong Kong...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2484,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2484\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2485,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2485\nTitle: \"15 classic routes recommended for self-driving tours around Beijing\"\nSummary: \"15 classic self-driving routes recommended for Beijing's surrounding areas. Recommended classic self-driving routes for Beijing's surrounding areas 1: Downtown - Huairou - Tanghekou. Features: Scenic spots are connected. Drive northeast from Sanyuan Bridge, pass Sunhe to the Kuliushu Roundabout, and then turn due north...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2486,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2486\nTitle: \"A complete list of tourist attractions around Beijing_Introduction to tourist attractions around Beijing|Ranking|Recommendation_There are...\"\nSummary: \"Find the most interesting tourist attractions around Beijing, and collect the most complete information on tourist attractions around Beijing! Fun places What are the fun places in Wuxi What are the fun places in Xiamen What are the fun places in Changsha What are the fun places in Kunming Chengdu...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.94 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2487,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2487\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Recommended bird watching spots around Beijing The first batch of migratory birds resting at Guanting Reservoir Flag raising time at Tiananmen Square in May 2017 Ticket prices for Beijing tourist attractions How to identify illegal one-day tours in Beijing About Beijing Tourism Distribution Center Beijing Hutong Tour Guide: Be careful...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.92 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2488,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2488\nTitle: \"Beijing Travel Guide 2017 - Beijing Travel Guide\"\nSummary: \"Recommended bird watching spots around Beijing The first batch of migratory birds resting at Guanting Reservoir Flag raising time at Tiananmen Square in May 2017 Ticket prices for Beijing tourist attractions How to identify illegal one-day tours in Beijing About Beijing Tourism Distribution Center Beijing Hutong Tour Guide: Be careful...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.55 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2489,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2489\nTitle: \"Select the most suitable self-driving tour plan around Beijing for you - be a professional self-driving tour recommendation platform around Beijing...\"\nSummary: \"Select the most suitable self-driving tour plan around Beijing for you - to be a professional self-driving tour recommendation platform around Beijing! Rich, comprehensive, affordable and accurate self-driving tour plans around Beijing, launching various limited-time special packages every day, for self-driving tour lovers around Beijing...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.1 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2490,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2490\nTitle: \"Recommended tourist attractions around Beijing and its suburbs - Mafengwo\"\nSummary: \"Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo, more of the latest travel notes Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2491,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2491\nTitle: \"\u3010National Day Beijing Tour\u30112017 National Day Beijing Tour Location Recommendations, National Day Beijing Tour Guide...\"\nSummary: \"It is definitely a good place to visit around Beijing during the National Day holiday. Recommended attractions in Tianjin: Wudadao: Wudadao is a must-see in Tianjin postcards... Customs Tourism Area: A place suitable for night strolls and taking photos. The buildings on both sides of the street are European-style, and the outside looks like...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.95 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2492,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2492\nTitle: \"Xiangshan Park-Beijing surrounding tourist attractions Beijing outing\"\nSummary: \"Beijing specialty purchase guide, cheap pictures, weekend drive around Beijing villages to exchange, New Zealand travel the most complete specialty recommendation, Taiwan travel shopping guide, shopping must-buy, Hong Kong second-hand luxury stores, Beijing summer vacation with children to the natural museum, Beijing's five major fun...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.85 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2493,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding tourism recommendation\"\nQuery Dwell Time: 244.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2493\nTitle: \"Recommended self-driving tours around Beijing\"\nSummary: \"Where are the fun places to drive around Beijing? Below, you can find fun places to drive around Beijing. Here are some tips for self-driving around Beijing. Recommended self-driving places in Beijing: Yudu Mountain, Jinshanling Great Wall, Shilin Gorge, Dongyue Temple...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2494,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2494\nTitle: \"Beijing Suburban Tourism_Beijing Suburban Tourism Information Download_iAsk Shared Information\"\nSummary: \"Information [Beijing Surroundings] There are mountains and water! Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas Source: Wu Dan's Diary In fact, there are quite a lot of fun places in Beijing~ It is very suitable for a two-day weekend trip and leisurely fun~ Today's topic...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2495,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2495\nTitle: \"Beijing Suburban Tourism_Beijing Suburban Self-Driving Tour_Attraction Recommendation_Farmhouse_Farmhouse..._Beijing Surrounding Tourism-Village Tourism\"\nSummary: \"Village Tourism Information Network - provides you with information on Beijing suburban tourism, Beijing suburban self-driving tours, Beijing suburban farmhouses and farmhouses, and introductions to surrounding tourist attractions, helping you make travel plans in the Beijing suburbs and providing you with better and more cost-effective Beijing suburban travel routes.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.78 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2496,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2496\nTitle: \"Practical Tips for Saving Money When Traveling to Beijing\"\nSummary: \"Beijing is a place where you can have fun, enjoy the city and spend less money. Here are some of my views and experiences. I hope they will be helpful to those who are going to travel to Beijing... But if you apply for a Beijing public transportation card, you can save even more money. The bus is 40 cents, and the subway is 2 yuan. At the subway window in Beijing...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 76.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2497,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2497\nTitle: \"[A good place for self-driving tours around Beijing in autumn to save money and keep healthy]_Self-driving tour community_Automotive Forum-Easy...\"\nSummary: \"Good places for self-driving tours around Beijing in autumn, saving money and keeping healthy. Self-driving tour community > Good places for self-driving tours around Beijing in autumn, saving money and keeping healthy. PHOTOOPD\u2022CSSE Photography experts, Road-finders, Food experts, Travel experts, Charming beauties, 2014 Yiche elites ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2498,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2498\nTitle: \"\u3010Picture\u3011There are mountains and water! Save time and money! \u3010Beijing\u3011Surrounding and suburban tourist attractions...\"\nSummary: \"Save time and money! [Beijing] Recommended tourist attractions in the surrounding and suburban areas. Everyone is too fast. I am posting while working. Although it is to maintain the wildness, I also hope that the road surface can be repaired and flattened to make it more convenient for the elderly and children who come here to walk...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2499,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2499\nTitle: \"[Beijing Surroundings] There are mountains and water! Save time and money! Tourist attractions~~~_Chinese Text Library\"\nSummary: \"Actually, there are quite a lot of fun places in Beijing~ It is very suitable for a two-day weekend trip and leisurely fun~ Today's topic keywords: Beijing~ Summer~ Travel~ Leisure~ Where to start~ First, let's announce the division of Beijing's districts and counties. I just checked: Urban area: Dongcheng...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2500,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 983.34 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Travel around Beijing, save money, convenient\"\nQuery Dwell Time: 218.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2500\nTitle: \"The most economical route guide for Beijing's surrounding tours Personal 9-seater Jinbei car rental_Page 1_Beijing tourist destinations_...\"\nSummary: \"The most economical route guide for Beijing's surrounding areas. Personal 9-seater Jinbei car rental. Have fun in the suburbs of Beijing, happy as you like. The most economical route guide for Beijing's surrounding areas. Personal 9-seater Jinbei car with aviation rotating seats, good condition, comfortable and fast, can provide tourist charter,...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2501,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear near Tsinghua University Purchase Channels Notes Price Range\"\nQuery Dwell Time: 120.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2501\nTitle: \"Things to note when renting a house near Tsinghua University\"\nSummary: \"Many students don't know much about the channels, prices and details of renting houses in Tsinghua University. Therefore, I will make a simple analysis of the houses around Tsinghua University - Teachers' Apartments - Family Buildings: http:\/\/mifunc.com\/th ua\/...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2502,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear near Tsinghua University Purchase Channels Notes Price Range\"\nQuery Dwell Time: 120.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2502\nTitle: \"\u3010Fixed Gear Park\u3011Fixed Gear Park Phone Number, Fixed Gear Park Address_Tuba Map\"\nSummary: \"Traffic Guide Bus stops near the Fixed Gear Park: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan North Station, Tsinghua Affiliated High School. Buses near the Fixed Gear Park: 365, 614, 664,...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.06 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2503,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Fixed Gear near Tsinghua University Purchase Channels Notes Price Range\"\nQuery Dwell Time: 120.24 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2503\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.74 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2504,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Buy a fixed gear near Tsinghua University\"\nQuery Dwell Time: 95.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2504\nTitle: \"[Buy fixed gear in physical store] Where is the physical store in Guangyuan where I want to buy fixed gear? - Ask Knowledge\"\nSummary: \"There is a physical store selling fixed gear near the west gate of Tsinghua University. Where is the fixed gear store in Wuhu? There is one in 1201, Unit 1, Building 5, Tianheyuan, Wuyi Square. Which physical store selling fixed gear in Luoyang is good? Save face. Where is the physical store selling fixed gear? [hum] Go to the general bicycle...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.93 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2505,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Buy a fixed gear near Tsinghua University\"\nQuery Dwell Time: 95.54 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2505\nTitle: \"Riding a fixed gear bike is cool, but you really need to take it easy - Bicycles, Motorway - Northern News - News Center\"\nSummary: \"April 17, 2013 - Last year, I \"flew\" into Hefei. Are there any \"fixed-wheel bikes\" in Hefei? The answer is yes. There is one near Sipailou... The first Art Tianjin was held in Beining Park. Are there still free cards for the small yellow bikes and Mobike? Vice President of Tsinghua University...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 32.96 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2506,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear\"\nQuery Dwell Time: 60.05 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2506\nTitle: \"[Shuangyushu second-hand venue\/fixed gear|Shuangyushu second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"I already have a bicycle. Since I often ride ordinary bicycles, I am not very familiar with this type of bicycle\u2026Haidian - Tsinghua University\/ 11-01 550 yuan Cool fixed gear store - Fixed Gear Bicycle Hall On-site selection, on-site [22 pictures] Fixed Gear Bicycle Hall builds...\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.61 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2507,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2507\nTitle: \"Are there any simple bicycles like fixed gear, but cheaper? I saw several in Beijing yesterday...\"\nSummary: \"It's better to be in Beijing. Are there any simple bicycles like fixed gear, but cheaper? I saw several in Beijing yesterday... What are the precautions for riding a bicycle? What are the precautions for riding a bicycle? What is the meaning of Eason Chan's bicycle? Is there any bicycle like...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.08 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2508,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2508\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Where is the fixed gear store in Beijing? The origin of the fixed gear bicycle with horn handlebars and handlebar tape... How to maintain a fixed gear bicycle in rainy days? Net... Getting started with fixed gear and precautions Top ten fixed gear bicycle brands ranking Can you ride a fixed gear bicycle in the rain? Fixed gear...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2509,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2509\nTitle: \"Another style of life.PDF\"\nSummary: \"Similar bicycles, but because of the riding area, there are many precautions. First and foremost, when riding a \"fixed gear\", it is not limited to the gymnasium, so you should also keep your sight as far as possible. Because there are many details to be paid attention to when riding a \"fixed gear\". From Beijing to the Holy Land in the United States...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2510,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing fixed gear price notes\"\nQuery Dwell Time: 93.58 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2510\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_High Quality Fixed Gear Bicycle Wholesale\/Purchase...\"\nSummary: \"The latest suppliers, dealers, and manufacturers, including fixed gear bicycle parameters, models, pictures, prices and other information, provide you with comprehensive fixed gear bicycle reference information and online negotiation opportunities, find fixed gear bicycle supply information...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 32.57 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2511,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Notes\"\nQuery Dwell Time: 50.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2511\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"Your current location: Home \u00bb Products \u00bb 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Click on the image to see a larger image Product: 92 Beginners' Fixed Gear Bicycles Teach You Things to Note | Sichuan Bicycle Suppliers Unit Price: Negotiable ...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2512,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Notes\"\nQuery Dwell Time: 50.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2512\nTitle: \"Decoding \"fixed gear\" is not to fly even if you die. You must learn to brake before riding a bike_News_Nanhai.com\"\nSummary: \"March 19, 2013 - Yesterday, a traffic accident in Zhangzhou, Fujian, was widely reported on the Internet, simply because the middle school student who was hit and killed by a private car was riding a \"fixed gear\" bicycle. This type of bicycle does not have the traditional meaning...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2513,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 538.05 ms\nTask Satisfaction Score: 2\n\nFor this task, user submitted query: \"Beijing Fixed Gear Notes\"\nQuery Dwell Time: 50.46 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2513\nTitle: \"A middle school student was hit and killed while riding a fixed-speed bike, which caused heated discussion. He would rather fly than die. - Sohu Auto\"\nSummary: \"March 19, 2013 - Yesterday, a traffic accident in Zhangzhou, Fujian, was widely reported on the Internet, simply because the middle school student who was hit and killed by a private car was riding a \"fixed gear\" bicycle. This type of bicycle does not have the traditional meaning of...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2514,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2514\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.89 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2515,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2515\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"When taking international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the volume of each piece of luggage must not exceed 20*40*55 cm (the sum of the three sides does not exceed 115 cm). If the weight or volume exceeds the above...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.85 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2516,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2516\nTitle: \"Luggage allowance regulations for China Eastern Airlines international flights\"\nSummary: \"Tags: China Eastern Airlines flight luggage, common sense China Eastern Airlines flight carry-on luggage is as follows: Each passenger's carry-on non-checked luggage generally cannot weigh more than 5 kg, and the volume of each piece cannot exceed 20X40X55 cm, and must be able to fit in the luggage rack or...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.08 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2517,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2517\nTitle: \"\u3010Number of checked baggage\u3011The number, weight, and dimensions of checked and carry-on baggage on general international flights...\"\nSummary: \"[Number of checked luggage] Requirements for the number, weight, and size of checked and carry-on luggage on general international flights. International flights do not limit the number of checked luggage, but limit the weight. What are the regulations for the number and weight of carry-on and checked luggage on flights from Jeju to Wuhan?\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.4 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2518,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2518\nTitle: \"How many pieces and weight of carry-on luggage can I take on international flights?\"\nSummary: \"Liquids, aerosols and gels Due to safety reasons, there are strict limits on the amount of liquids, aerosols and gels that can be carried in hand luggage on international flights. LAG items, such as drinks, creams, perfumes, sprays, gels and toothpaste, must be...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 38.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2519,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2519\nTitle: \"Air China's regulations on checked baggage and carry-on baggage\"\nSummary: \"Size and weight limits for checked baggage On weight-based routes, the maximum weight of each piece of checked baggage for passengers on international or regional flights shall not exceed 32 kg; for passengers on international or regional and domestic combined flights, the maximum weight of each piece of checked baggage shall not exceed 32 kg.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2520,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2520\nTitle: \"Luggage size requirements for China Eastern Airlines international flights - Mafengwo\"\nSummary: \"China Eastern Airlines' international flight regulations for checked baggage limit each piece of weight 32 kg, each piece of size limit A + B + C \u2264 203 cm, 2 * (A + B + C) \u2264 273 cm; for unchecked baggage, the number of baggage is limited to 2 pieces for first class, 1 piece for business class and economy class, and the weight of each piece is...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2521,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2521\nTitle: \"Is there any size limit for checked luggage on airplanes? - Yue Travel\"\nSummary: \"AirAsia I would like to ask if there is any size limit for AirAsia's 15KG suitcase, or is it OK as long as the weight does not exceed 15KG, there is no size limit. Checked luggage should be based on weight, and there is a size limit for hand luggage. Checked luggage does not have... How big does the carry-on baggage have to be for free? Thanks for the reply. The weight of each checked luggage cannot exceed 50kg, and the volume cannot exceed...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.03 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2522,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2522\nTitle: \"[Baggage Requirements for International Flights] What are the baggage requirements for international flights?\"\nSummary: \"Part 1: What are the baggage requirements for international flights? What are the baggage requirements for international flights? Taking international flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed... Note: There are two types: overweight and overlimit. Overweight means exceeding the specified weight, and overlimit means exceeding the specified size. Generally...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2523,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2523\nTitle: \"Do you know some restrictions on checked baggage? Wenzhou Airport Security Check Notice\"\nSummary: \"Hand luggage restrictions: For domestic flights, the total weight of your hand luggage should not exceed 5 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm. For international flights, the total weight of your hand luggage should not exceed 7 kg (some airlines have...\"\nRank: 12\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2524,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2524\nTitle: \"Airlines' regulations on baggage\"\nSummary: \"The total weight of hand luggage is limited to 5 kg per passenger, and the volume of each piece must not exceed 20*40*55 cm; for international flights, the total weight of hand luggage is limited to 7 kg (some airlines have special weight restrictions), and the size of each piece of luggage must not exceed 20*40*55 cm.\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.16 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2525,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2525\nTitle: \"What is the free checked baggage weight limit for international flights from China Eastern Airlines to Japan?\"\nSummary: \"Carry-on items that exceed the above weight, number of pieces or volume limits should be checked in as checked baggage. The baggage weight regulations for international flights vary from airline to airline. The free baggage allowance for each passenger includes checked and unchecked baggage: Domestic flights are usually checked in when checking in on the day of departure. Items that are not baggage should be checked in as cargo and cannot be checked in as...\"\nRank: 17\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.32 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2526,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2526\nTitle: \"Is there a limit on the amount of checked luggage on an airplane? - Yue Travel\"\nSummary: \"If I bring anything I bought from Macau back to the mainland, are there no restrictions on the quantity and type? (Within the weight range of checked luggage at the airport) There are restrictions on cigarettes and alcohol, you can ask at the airport customs. Hope you can adopt Phuket. May I ask about the restrictions on checked luggage on international flights?\"\nRank: 18\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2527,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2527\nTitle: \"Air China Carry-On Baggage Requirements - Mafengwo\"\nSummary: \"Mafengwo Q&A > Air China Carry-on Baggage Requirements 2095 Views 0 Followers Follow Answers 4 Answers Air China Carry-on Baggage Requirements: 1. Carry-on Items for International Flights The weight of free carry-on items is limited to first class and business class passengers...\"\nRank: 19\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2528,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights carry-on baggage weight and volume restrictions\"\nQuery Dwell Time: 399.39 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2528\nTitle: \"International flight luggage regulations.doc\"\nSummary: \"Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm). Passengers taking US-Canada routes can only...\"\nRank: 20\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.38 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2529,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2529\nTitle: \"How many milliliters of liquid can be transported in checked baggage?\"\nSummary: \"For international and regional flights, each item should not exceed 100 ml, and the total amount should not exceed 1 liter. For domestic flights, only cosmetics can be carried, and each item should not exceed 1 liter. Liquids, gels and sprays in each passenger's hand luggage must be placed in containers with a capacity of no more than 100 ml,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.21 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2530,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2530\nTitle: \"How many milliliters of liquid can be brought into checked luggage on an airplane?\"\nSummary: \"Domestic flights can only carry cosmetics, each of which does not exceed 100 ml, and the maximum number of ml of liquids that can be carried on an airplane is how many milliliters? Whether it is an international or domestic flight, the current restrictions on liquid items are limited to carry-on. The capacity of a single piece does not exceed...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2531,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2531\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight carry-on baggage regulations 1. Restrictions on carry-on baggage \u2475. Taking international flights: Generally, carry-on...Liquid containers with a capacity of more than 100 ml cannot be placed in carry-on baggage, but must be placed in checked baggage for transportation. 15...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.53 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2532,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2532\nTitle: \"How to buy checked baggage and what is the limit on the amount of liquids you can bring on board - Mafengwo\"\nSummary: \"How many milliliters of each can I bring? 13632 views 4 people follow Follow Answer 2 answers International aviation liquid restrictions generally... We have set limits on the amount of liquids, aerosols and gels (LAGs) that passengers on international flights can carry in their hand luggage. ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2533,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2533\nTitle: \"What is the maximum amount of liquid items (cosmetics) you can bring on an airplane? - Yue Travel\"\nSummary: \"International flights limit each carry-on to 100ml, and a maximum of 10 bottles, which must be placed in a sealable transparent plastic bag. You need to carry it with you... Domestic flights do not require carry-on liquids to be placed in transparent bags, and can be placed in carry-on luggage. ...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.73 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2534,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2534\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"All international flights departing from Central Japan International Airport (excluding arriving flights) Carry-on baggage (excluding checked baggage such as suitcases) will be subject to the daily carry-on regulations. Except for the following cases, it is prohibited to carry any liquid items exceeding 100 ml. Container...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.99 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2535,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2535\nTitle: \"Liquids in Carry-On Baggage - Lufthansa \u00ae China\"\nSummary: \"Liquids in hand baggage are allowed through EU airports on flights within the EU and on connecting flights originating from the EU (and domestic flights in Germany). Prerequisite: Items must be packed in a sealed duty-free bag (in accordance with international standards) and retail...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 33.59 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2536,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can you take in your hand luggage on international flights?\"\nQuery Dwell Time: 222.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2536\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"Requirements for checked liquids on international flights I know that if you carry liquids with you, each piece is 100ml, and the total is less than 1L. You may need to pack them separately for easy inspection. So what if the liquids are checked in luggage? Are there any requirements for each piece and the total amount?\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.02 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2537,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2537\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"Which luggage must be checked in and which must be carried on international flights? I already know that nail clippers and scissors must be checked in... Put a large tote bag over the laptop to put some other things in. 2. Carry a large backpack (not a roller bag),...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.15 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2538,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2538\nTitle: \"What items need to be declared at customs when taking an international flight?\"\nSummary: \"What items are prohibited from being carried on? Check in advance what is not allowed in the destination country. What are the items that are not allowed to be carried on international flights? Only the national security will check. Does the luggage on international flights have to be locked by customs? Because when the X-ray machine is checked or the sniffer dog is used for security inspection...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2539,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2539\nTitle: \"What items need to be declared at customs when taking an international flight?\"\nSummary: \"What items are prohibited from being carried on? Check in advance what is not allowed in the destination country. What are the items that are not allowed to be carried on international flights? Only the national security will check. Does the luggage on international flights have to be locked by customs? Because when the X-ray machine is checked or the sniffer dog is used for security inspection...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2540,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2540\nTitle: \"Air China Baggage Check-in Standards\"\nSummary: \"Air China implements piece-rate checked baggage rules on international and regional routes. 1. International and regional routes: Each ordinary baggage... B. Domestic flights: Each first-class passenger may carry two pieces of luggage, and the weight of each piece of luggage shall not exceed...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.45 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2541,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2541\nTitle: \"How much is the weight of carry-on and checked luggage on international flights? How much overweight can be allowed? Other...\"\nSummary: \"1. Checked luggage Passengers must check in their luggage with valid tickets. Generally, luggage will be collected when checking in on the day of departure. Items that are not luggage should be checked in as cargo and cannot be checked in as luggage. Checked luggage must be well packed and locked...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 29.55 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2542,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2542\nTitle: \"zz International flight carry-on baggage regulations\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2543,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2543\nTitle: \"zz International flight checked baggage regulations\"\nSummary: \"China International Airlines' international flight baggage check-in regulations are as follows: The free baggage allowance for international routes is divided into weight-based... Items entering or transiting and other restricted items for transportation. Passengers are not allowed to carry weapons, sharp objects and lethal weapons on board. Transportation...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2544,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2544\nTitle: \"How much is the checked luggage weight for international flights? _www.dragonsea-china.com Dragonsea International\"\nSummary: \"Securities and other items 3. Checked luggage must be well packed, locked and tied firmly, and able to withstand a certain amount of pressure... How much is the weight of checked luggage on international flights? Related recommendations Contact us Through the above introduction, I believe you have a better understanding of \"On international flights...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.55 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2545,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2545\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.9 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2546,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 1170.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What items must be checked in on international flights?\"\nQuery Dwell Time: 181.07 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2546\nTitle: \"International Flight Baggage Regulations\"\nSummary: \"The excess must be transported. Alcoholic beverages must be checked in. 6. Can I bring water\/drinks\/food with liquids through the security check at the Capital Airport when taking an international flight? When taking an international or regional flight departing from an airport in China, such items...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.9 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2547,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2547\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.51 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2548,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2548\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.63 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2549,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2549\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.18 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2550,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2550\nTitle: \"There are many benefits to quitting smoking - Good Doctor Online\"\nSummary: \"March 7, 2014 - There are many benefits to quitting smoking: 1) Quitting smoking for one day will bring benefits to the heart, blood pressure and blood system. 2) After quitting smoking for one year, the excess risk of coronary heart disease is reduced by half compared to those who continue to smoke. 3) Quitting smoking...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.28 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2551,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2551\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.86 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2552,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2552\nTitle: \"Several benefits of long-term smoking cessation for men\"\nSummary: \"The benefits of quitting smoking - blood circulation improves, and the blood flow to the penis increases. The most direct result is that sexual ability is enhanced, and the testicles can produce better quality sperm, which is beneficial to eugenics. The benefits of quitting smoking - if you are unfortunately injured,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.81 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2553,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2553\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.68 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2554,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 117.24 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2554\nTitle: \"The benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking (1) Be a good role model for your family and friends. Remember: if the elders smoke, the younger ones will imitate them; if the children smoke, the parents will be sad; if you offer cigarettes to each other, both sides will suffer. (2) Be determined to break free from the shackles of smoking. After quitting, you can reduce the impact of smoking on your body and mind...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.39 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2555,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2555\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.03 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2556,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2556\nTitle: \"The harm of smoking and the physical reaction after quitting smoking\"\nSummary: \"As the slogan, the global anti-smoking campaign was launched, and the annual World Anti-Smoking Day was announced, which is May 31st every year, the day before Children's Day. The intention is obvious. Why does smoking cause heart rate or arrhythmia? Tobacco burning...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.61 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2557,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2557\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.05 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2558,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2558\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.78 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2559,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2559\nTitle: \"Why do side effects occur after quitting smoking? Uncomfortable symptoms of quitting smoking - Zhiqu.com\"\nSummary: \"Why do side effects occur after quitting smoking? Symptoms of quitting smoking: Many people will have many adverse reactions when quitting smoking. Today, let's follow Lei Li to see what specific reactions there are when quitting smoking? The reasons for these reactions, we...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2560,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2560\nTitle: \"The harm and impact of sudden smoking cessation_Behavior Channel_Healthy Network\"\nSummary: \"The success rate of quitting smoking suddenly is definitely the highest. When you quit smoking suddenly, you should first change the habit of smoking, do more exercise, drink more tea, go to less social places where smoking is needed, etc. In addition, because smoking has a great impact on various organs of the body...\"\nRank: 14\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2561,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 101.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2561\nTitle: \"Xie Yuxin: The unpleasant side effects of quitting smoking ...\"\nSummary: \"Tencent Weibo, log in and listen immediately, and get the latest updates! Listeners 120 Listening 53 Broadcasting 229 Uncomfortable adverse reactions of quitting smoking I feel like vomiting and feel uncomfortable all over, but I must persist... Share to: Loading...\"\nRank: 18\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2562,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2562\nTitle: \"Quit smoking 100%_The best way to quit smoking_How to quit smoking most effectively\"\nSummary: \"Quit Smoking 100% (www.jy100.org) provides the best way to quit smoking, the most effective way to quit smoking, the most effective way to quit smoking, quit smoking patches, quit smoking medicines, quit smoking candies, e-cigarettes, quit smoking mouthpieces, quit smoking teas and other quit smoking products and quit smoking service information.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.8 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2563,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2563\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.89 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2564,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2564\nTitle: \"The most effective way to quit smoking\"\nSummary: \"The most effective way to quit smoking Special articles Related topics Related content The most effective way to quit smoking may be contributed by netizens. If it infringes your rights, please contact this site in time to delete it. ishuo.cn\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.8 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2565,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2565\nTitle: \"The most effective way to quit smoking_Popular health questions and answers_Ask and Answer Network\"\nSummary: \"Q: I have smoked for 20 years. I got addicted when I was in the first grade of junior high school. Now I want to quit. What is the most effective way to quit smoking? Recently, I have been arguing with my wife for a long time because of the issue of quitting smoking. It is true that smoking is not good, but I can't quit it in a short time. Please help...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.22 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2566,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2566\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The Quit Smoking Network provides smokers with the best methods to quit smoking, smoking cessation products, and the benefits of quitting smoking. It teaches everyone how to quit smoking, how to quit smoking, and how to quit smoking most effectively. Let us quit smoking together on the Quit Smoking Network!\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2567,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2567\nTitle: \"The best way to quit smoking - Sanjiu Health Hall\"\nSummary: \"Measuring the efficiency of nicotine metabolism in smokers through blood tests can help choose the most effective smoking cessation therapy and improve the success rate of quitting smoking. Previous studies have shown that smokers According to the Sydney Morning Herald, a new survey shows that more smokers...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.24 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2568,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 344.72 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 51.96 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2568\nTitle: \"The best and most effective way to quit smoking\"\nSummary: \"The best and most effective way to quit smoking There are many people who want to quit smoking. Many people say that it is difficult to quit smoking. I also deeply understand that it is not easy for a smoker to say that he will not smoke anymore. Even if he says he wants to quit smoking, I don\u2019t know how many stages he will go through...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.05 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2569,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2569\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"From the promotional video of Google Glass released by Google, it is not difficult to judge that almost all the basic functional applications based on Android phones can be transplanted into smart glasses, but the presentation method does not rely on the phone screen, but on semi-transparent projection... Yesterday, Google released a new promotional video of Google Glass on its official website, which let us see the magic of Google Glass,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 72.53 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2570,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2570\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"Google Glass Function 6: Photo and Photography Google Glass users can move around in the real world. You can use photo apps to take photos through voice commands instead of taking pictures in the traditional way, freeing your hands! Google...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.38 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2571,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2571\nTitle: \"The top ten functions of Google Glass (photos) Hanlang Glasses will reveal the secrets of the glasses that cost more than 11,300 yuan...\"\nSummary: \"Obviously, it is a better way to secretly take photos. 9. Video call A very cool feature, you can use Hangouts to... The editor thinks that the practical functions and cost performance of Google Glass, which is priced at 11,300 yuan, do not seem to be very outstanding! It is not what everyone thinks... Maybe everyone's impression is still relatively abstract. Today, the editor will show you the mystery of Google Glass! The top ten functions of Google Glass...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.48 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2572,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2572\nTitle: \"Google Glass Quote Google Glass Function Google Glass Price_Beijing VERTU Discount Store Promotion Letter...\"\nSummary: \"The basic functions include taking photos, shooting videos, making calls, navigating, sending text messages, reading news, surfing the Internet, playing games, etc. You can also... There are more than 40 free apps on the Google Store, and there will be more than 2,000 creative apps in the next year! Google Glass...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2573,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2573\nTitle: \"Google Glass: Why the product that revolutionized the future gradually disappeared | Google Glass | Wearables_Industry_Sina...\"\nSummary: \"January 26, 2015 - But consumers are completely unsure about the former's functions and usage. As for the applications of Google Glass, there are... The price when it was launched was only $299. An article on the technology blog GigaOM pointed out that the components of the product...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 85.64 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2574,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the features of Google Glass? How to use it? How much does it cost?\"\nQuery Dwell Time: 286.19 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2574\nTitle: \"Google Glass is back, what can we learn from it?\"\nSummary: \"Nov 28, 2017 - All of this is more useful than letting people use the hands-free feature while riding the subway to check Facebook messages, etc. Google's Lens app shows that there is another use for Google Glass that was not fully ...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2575,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2575\nTitle: \"A list of the coolest and most dazzling ways to use Google Glass | Digital News - Digital Home\"\nSummary: \"Some Glass explorers (essentially developers) at digital creative agency Playground have come up with some conceptual use cases for the Glass platform once it's fully mature. Some of these ideas fit right in with the visions of some Google employees, while others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.66 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2576,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2576\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2577,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2577\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.03 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2578,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 91.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2578\nTitle: \"15 ways technology changes society: Google Glass brings the Internet closer | Google Glass | driverless cars | smart...\"\nSummary: \"April 29, 2013 - Introduction: American technology blog Business Insider wrote an article today, listing 15 ways that technology is changing society. Smartphones, driverless cars, Google Glass, and the Internet have all become the main forces of social change...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2579,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2579\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.29 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2580,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2580\nTitle: \"How much does Google Glass cost?\"\nSummary: \"If you look closely, you will know the difference. How much does Google Glass cost now? Where can I buy it? A few days ago, there was a limited sale, the price was $1,500. And it was only sold in the United States. And it was only sold for one day. So there is no place to sell it now, of course...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.86 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2581,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2581\nTitle: \"Google Glass goes global, lands in the UK, costs 1,000 pounds | Leifeng.com\"\nSummary: \"June 24, 2014 - Priced at \u00a31,000 (about RMB 10,600). UK users can purchase Google Glass through the Google Play Store... Users can also receive a free pair of glasses frames after purchasing Google Glass. The UK version will also come with a news copy of The Guardian...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.28 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2582,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2582\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2583,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2583\nTitle: \"Google Glass Price_Google Glass Latest Price_How Much Is Google Glass-Suning.com\"\nSummary: \"Suning.com's Google Glass channel provides you with information about Google Glass prices, the latest Google Glass quotes, how much Google Glass costs, Google Glass parameters, and more. To learn more about Google Glass shopping guides, go to Suning.com, where you can get genuine products and...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.02 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2584,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 500.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 65.65 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2584\nTitle: \"Google Glass is available for online ordering for $1,500. Just shake your head to surf the Internet\"\nSummary: \"April 12, 2014 - Google announced on the 10th that it will open online orders for Google Glass on April 15, priced at $1,500, for one day only. Google announced on its Google Glass homepage that it will officially open at 9 a.m. Eastern Time on April 15...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.0 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2585,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2585\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"Apple fans in China are finally waiting for the new iPhone to be released. It is reported that the Ministry of Industry and Information Technology has confirmed the release of the Internet license for iPhone 6. The new iPhone will be released in China on October 17. The prices of iPhone 6 and iPhone 6 Plus are 5288 yuan and...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.99 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2586,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2586\nTitle: \"iPhone6 \u200b\u200bprices in mainland China are higher than those in Hong Kong_Digital Life_Tianya Forum_Tianya Community\"\nSummary: \"The new iPhone will be available in mainland China on October 17, with the prices of iPhone 6 and iPhone 6 Plus starting at 5,288 yuan and 6,088 yuan respectively. However, to the disappointment of Apple fans, the prices of iPhone 6 and iPhone 6 Plus in mainland China are higher than those in Hong Kong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2587,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2587\nTitle: \"I want to buy iPhone 6 in Hong Kong. I really want to know how much it will cost. What is the difference between the Hong Kong version and the mainland version?\"\nSummary: \"My boyfriend and I will go to Hong Kong during the National Day holiday in October. Our main mission is shopping and buying an iPhone 6. I really want to know how much it will cost. What is the difference between the Hong Kong version and the mainland version?\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2588,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2588\nTitle: \"Hong Kong iPhone 6 - Tubatu Decoration Q&A\"\nSummary: \"The price of Plus is 6388 Hong Kong dollars (equivalent to 5057 yuan), 7188 Hong Kong dollars (equivalent to 5690 yuan) and 8088 Hong Kong dollars (equivalent to about 6400 yuan). There are 3 answers to the reference price of Hong Kong Apple iPhone 6: \u00a0\u00a0\uffe5...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 45.43 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2589,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2589\nTitle: \"Is the iPhone 6 really priced this high in Hong Kong? It's not the same as in mainland China - Broadband Hill KDS - Broadband Hill Community - ...\"\nSummary: \"Life News Gossip Funny | Broadband Mountain Forum is an online forum, referred to as Broadband Mountain or KDS in Chinese Pinyin, and is one of the most influential livelihood forums in Shanghai.\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2590,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone 6 prices in China and Hong Kong\"\nQuery Dwell Time: 168.62 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2590\nTitle: \"How much is the iPhone 6 in Hong Kong? - Home Decoration Interactive Q&A\"\nSummary: \"3 answers Floor laying steps Apple iPhone6 \u200b\u200b(international version\/dual 4G) price \uffe53750---\uffe54300. There is a certain difference in the price of different regions. I hope I can help you. Hong Kong iPhone6 \u200b\u200breference price: \uffe54200-5288. Apple iPhone6 \u200b\u200b(all network...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2591,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2591\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - But there are many things to note when buying an iPhone in Hong Kong: The first point is to choose the right store to buy it in,... You can consider the tour groups organized by many travel agencies for the purpose of buying iPhone 6, and the price...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.62 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2592,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2592\nTitle: \"How to pretend you have an iPhone 6 in your Moments? Hong Kong Buying Guide_What? Country_Baby Tree\"\nSummary: \"iPhone 6 Hong Kong Buying Guide After the Hong Kong Apple Store Hysan Store officially opened in Hysan Place in Causeway Bay at the end of 2012, the number of Apple stores in Hong Kong became three. Previously, Hong Kong had two Apple flagship stores, located in IFC in Central and Kowloon Tong...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.29 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2593,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2593\nTitle: \"[Strategy] How to buy a new iPhone in Hong Kong! - Hong Kong Drifting Station\"\nSummary: \"Many people can't wait to go to Hong Kong to buy a mobile phone. Today, I will collect a complete guide to buying an iPhone in Hong Kong. So if you buy an Apple phone in Hong Kong, you need to pay attention to \"chassis separation\" when you go through customs. That is, the machine itself should be...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.53 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2594,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2594\nTitle: \"There are several ways to buy iPhone 6 in Hong Kong - I want to go to Hong Kong to buy iPhone 6 in person, I want to know...\"\nSummary: \"There are several ways to buy iPhone 6 in Hong Kong. There are 3 ways. First, make a reservation on the official website of Hong Kong. After the reservation is successful, go to Hong Kong to check whether the iPhone 6 you bought is a national version. The easiest way is to check the iPhone 6 model number on the back of the iPhone 6.\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2595,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2595\nTitle: \"Hong Kong becomes the first choice for mainland customers to buy iPhone 6. How to buy it? - China News Service\"\nSummary: \"September 15, 2014 - That day was the first day that Apple Inc.'s iPhone 6 and iPhone 6 Plus were available for online purchase in the Hong Kong market. It was less than 72 hours before Apple CEO Tim Cook released the two latest products, and Hong Kong...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.55 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2596,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2596\nTitle: \"How to buy iPhone 3G in Hong Kong_Other mobile phone price questions_PConline Quick Question\"\nSummary: \"I went to every store in Centaline and Fortress, but they didn't sell iPhones at all. The clerk said that you need to sign a contract to join the network, so they don't sell them. So there are no genuine products in Hong Kong. If you want to buy iPhones, you can only go to Tsuen Wan, which is parallel imports. Tsuen Wan is Hong Kong...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 28.31 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2597,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2597\nTitle: \"10.13 What is the specific process of buying an iPhone in Hong Kong? - Mafengwo\"\nSummary: \"10.13 What is the specific process of buying an iPhone in Hong Kong? 4177 views 0 people follow Follow Answer 3 answers According to the above... In the direct store of Hysan Place, I will describe the purchase of iPhone 6 to you: the queue for reservation is very long, and the queue is...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2598,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to buy an iPhone in Hong Kong\"\nQuery Dwell Time: 271.71 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2598\nTitle: \"How to buy iPhone 5S\/6 in Hong Kong online Tencent ID: 806043905...\"\nSummary: \"Apple released the iPhone 5S and iPhone 5C. With the iPhone 5S, Apple broke the tradition of iPhones being available in only two colors: black and white. It added a champagne gold color, which was mocked as \"tycoon gold\" on the Internet. After that...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2599,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2599\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.45 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2600,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2600\nTitle: \"Do I need to pay customs duties when I bring my iPhone 6 through customs?\"\nSummary: \"6 is subject to full customs duty. Since it is a foregone conclusion that customs duty must be paid when bringing iPhone 6 into the country, Apple fans will ask, how much customs duty do we need to pay for our beloved iPhone 6? According to relevant laws and regulations...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 22.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2601,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2601\nTitle: \"Do I need to pay customs duties when I bring an iPhone 6 Plus (Hong Kong version) into the country? - All Customs Information Network\"\nSummary: \"Question from a netizen: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. Answer from Quanguantong: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the announcement of the General Administration of Customs...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2602,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2602\nTitle: \"Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China?_iPhone Questions_Game Bus...\"\nSummary: \"April 19, 2012 - Do I need to pay customs duties if I buy an iPhone 4 from Hong Kong and bring it to mainland China? The editor recommends the answer: No customs duties for one or two units, but for large quantities, they will be charged. Just bring the invoice when checking. The price must be NT$5,000. I'm not sure if you are aware of this specific answer...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2603,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2603\nTitle: \"How to calculate the customs duties for iPhone mailed from abroad? _Import and export trade_Tian...\"\nSummary: \"According to the General Administration of Customs' Notice No. 43 of 2010 on Adjusting the Management Measures for Inbound and Outbound Personal Postal Articles, the limit for inbound articles mailed by individuals from abroad is RMB 1,000 each time. If the inbound and outbound articles mailed by individuals exceed the limit...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.35 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2604,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do Hong Kong iPhones need to pay customs duties?\"\nQuery Dwell Time: 83.78 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2604\nTitle: \"Attention! Those who are returning to China recently, please be aware! Bringing iPhone 7 back to China will require a 15% tariff! _International Channel_...\"\nSummary: \"September 24, 2016 - Do I need to pay tax when I bring or mail an iPhone 7 into the country? Mobile phones are one of the 20 types of goods that are not tax-free. It is not... It should be noted that due to the different Apple products,\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.19 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2605,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 73.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2605\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Does the Hong Kong version of iPhone 7 support Telecom? I saw that the three major domestic operators on the Hong Kong official website...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.46 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2606,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operator networks and other information?\"\nQuery Dwell Time: 73.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2606\nTitle: \"Does the Hong Kong version of iPhone 5 support China Unicom's 4G network? - Zhihu\"\nSummary: \"Dear VIP users, China Unicom is offering a free high-speed network experience to hundreds of millions of users in the 4G era. You will receive 500MB of domestic data traffic in February 2014 (valid from February 1 to 28, 2014). Show all Followers Follow the question Write an answer ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.6 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2607,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 670.91 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operator networks and other information?\"\nQuery Dwell Time: 73.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2607\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators - Portable\/Mobile Products - Electronic Engineering World...\"\nSummary: \"September 11, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.26 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2608,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2608\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 110.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2609,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2609\nTitle: \"Can I swim in Tsinghua Swimming Pool at noon on weekdays? What is the fee for applying for a card outside the school?\"\nSummary: \"Open from 12:00 to 1:00 on weekdays, but I don't know how to apply for a card. Cat Identity User Article Constellation Libra Points Level Yangtze River (10) Sender: shaguariji (cat), Message area: Swimming Subject: Re: May I ask if the staff of Tsinghua Swimming Pool...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 147.04 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2610,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2610\nTitle: \"Peking University Swimming Pool, Peking University Swimming Pool Price, Peking University Swimming Pool Address - Yaku...\"\nSummary: \"The lecturers are all national-level swimmers. This article is from Yacol http:\/\/www.yacol.com Opening hours: Peking University Swimming Pool Price: Peking University student ticket 8 yuan, non-campus ticket 15 yuan Tel: 010-62767306 800-990-3888...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2611,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2611\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"The on-campus staff are very cheap, and the off-campus staff are...\"\nSummary: \"1234 Big Brother's comments on Chen Ming Swimming Pool (Tsinghua University Swimming Pool): The staff on campus are very cheap, and the ones outside the campus are a bit expensive, but the price is still relatively affordable,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2612,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2612\nTitle: \"Tsinghua University: You can\u2019t graduate if you can\u2019t swim! The key is that your university must have a swimming pool - Aiyota...\"\nSummary: \"The student ticket for Beijing Normal University Swimming Pool is 8 yuan, and the faculty and staff ticket is 12 yuan! ! The price is cheap! ! Weekday evenings 7:00-9:30. Also open on weekends from 2:00-4:30pm! ! Free swimming for faculty and staff on Wednesday afternoons! ! The water quality is also good! ! The place is not big, rescue...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.48 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2613,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2613\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"I want to choose one of these two to get a swimming card. Does anyone know how these two cards are charged? ... If you don't swim frequently, you can buy the 3-month season card issued by Haidian Swimming Pool, which is slightly more expensive than Tsinghua's. Answer creator...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.04 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2614,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 385.64 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location Opening Hours Student Ticket Price Swimming Card Price\"\nQuery Dwell Time: 379.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2614\nTitle: \"\u301058.com\u3011Tsinghua University Fitness Club_Tsinghua University Fitness Center_Tsinghua University Fitness and Weight Loss\"\nSummary: \"I am looking for a gym card for Tsinghua University Gymnasium. If you have any channels, please contact me by private message. Thank you... (05-... Xibeiwang Xiyuan Heishan Huxiang Hongqi near Yuedong Swimming Pool Hot Yoga Fitness Center Yuedong Sports Swimming Fitness Card... (16 hours...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2615,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2615\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length: 304.5m, waterline length: 270m, beam: 75m, waterline width: 38m, displacement: 55,000 tons (standard: 67,500 tons (full load)), crew: 1,960, pilots: 626, staff: 40, rooms: 3,857, power system... However, the United States intervened rudely: if it is sold to China, all the ship-borne weapons and equipment must be removed; otherwise, economic measures will be taken...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 55.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2616,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2616\nTitle: \"Liaoning aircraft carrier\"\nSummary: \"Length: 304.5m, waterline length: 270m, beam: 75m, waterline width: 38m 10.5m, displacement: 55,000 tons (standard), 61,390 tons (full load), crew: 1,960, pilots: 626, staff: 40, rooms: 3,857, etc. However, the United States intervened rudely: if it is sold to China, all the ship's weapons and equipment must be removed; otherwise, economic measures will be taken...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.43 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2617,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2617\nTitle: \"Liaoning aircraft carrier material.docx\"\nSummary: \"The Liaoning ship was officially delivered to the PLA Navy. III. Performance parameters Length 304.5 meters, waterline length 270 meters Beam 75 meters, waterline width: 38 meters Draft 10.5 meters Displacement 55,000 tons (standard) 67,500 tons (full load) Crew 1,960...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.66 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2618,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2618\nTitle: \"Liaoning aircraft carrier.pptx\"\nSummary: \"Liaoning Ship Emblem China Naval Museum III. Performance Parameters Length 304.5 meters, waterline length 270 meters Breadth 75 meters, waterline width: 38 meters Draft 10.5 meters Displacement 55,000 tons (standard) 67,500 tons (full load) Crew 1,960 people, flight...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2619,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2619\nTitle: \"Chinese Navy warships.ppt_Taodou.com\"\nSummary: \"Liaoning aircraft carrier is 304.5 meters long, 270 meters long at the waterline, 75 meters wide at the side, 38 meters wide at the waterline, 10.5 meters in draft, 50,000 tons (standard), 65,000 tons (full load), 1,960 crew members, 626 pilots, 40 staff members... It is one of the key national projects of the Ninth Five-Year Plan and the Tenth Five-Year Plan, and is the first self-made aircraft carrier equipped by the Chinese People's Liberation Army Navy...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2620,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Displacement Length Beam Number of Crew Speed \u200b\u200bWeapons and Equipment\"\nQuery Dwell Time: 168.57 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2620\nTitle: \"Chinese Navy Ships.docx_Taodou.com\"\nSummary: \"Performance parameters: Length: 304.5 meters, waterline length 270 meters Beam: 75 meters, waterline width: 38 meters Draft: 10.5 meters Displacement: 55,000 tons (standard) 67,500 tons (full load) Staff: 1,960 crew members, 626 pilots, staff...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.71 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2621,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2621\nTitle: \"What are some of the most powerful scams in history? (The predecessor of China's first aircraft carrier \"Liaoning\")\"\nSummary: \"The chess game is so big that it is amazing. It is not comparable to those commercial conspiracies and scams. The birth of the aircraft carrier Liaoning. It is well known that in order to strengthen its sea control, contemporary China has always needed the support of aircraft carriers. But on the one hand, the country...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.44 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2622,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2622\nTitle: \"China's first aircraft carrier may be named \"Liaoning\" and Varyag will become history - Picture Channel - Wanjia...\"\nSummary: \"September 11, 2012 - And it will be named after the province where it was located when it was rebuilt. It seems very likely that China's first aircraft carrier will be named Liaoning. Since the name of Varyag has become history, the Chinese aircraft carrier Liaoning may become a famous aircraft carrier.\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.82 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2623,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2623\nTitle: \"Milestone: Turning point in history - Liaoning aircraft carrier 001 - Jiugang No. 3 Middle School teacher - Science and education - Special -...\"\nSummary: \"Milestone: Turning point in history - Liaoning aircraft carrier 001, Jiugang No. 3 Middle School teacher, Milestone: Turning point in history - Liaoning aircraft carrier 001 This is a day worth remembering forever, this is a moment of national celebration, this is a heroic...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.39 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2624,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2624\nTitle: \"In-depth: Two historical truths reveal who actually bought the Liaoning aircraft carrier_Page 1_Le Si Xian_...\"\nSummary: \"The purchase of the ship must have a military background, otherwise who would be so wealthy and take the risk so lightly? From the military's perspective, it is called success, but from the other party's perspective, it is called breach of contract, turning entertainment into an arms deal.\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.69 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2625,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2625\nTitle: \"Liaoning Liaoning's maiden voyage returns with a hidden mystery: the United States and Russia reveal a major discovery The new look of the Liaoning...\"\nSummary: \"WriterFrom:221.8.249.*The return of Liaoning from its maiden voyage is full of mysteries: the US and Russia revealed a major discovery. A new look for the Liaoning flight deck? History is definitely not a dream (photo), Ta Kung Pao, October 31st. The Chinese aircraft carrier Liaoning docked at Liaoning on the 30th...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.41 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2626,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2626\nTitle: \"\"The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895\": Historical Imagination of the Aircraft Carrier Era (The Great Change: Dreaming Back to the Sino-Japanese War of 1894-1895) Film Review\"\nSummary: \"At the end of September 2012, the Liaoning aircraft carrier was officially delivered to the navy, marking a new stage for my country's naval power. The face of the Liaoning is always a mystery to most Chinese people. This film directed by Liu Quanwei...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 1.22 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2627,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 155.74 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2627\nTitle: \"In November 2012, my country's first aircraft carrier \"Liaoning\" successfully completed its maiden voyage... - Junior High School History - Jingyou.com\"\nSummary: \"Application APP Junior High School History Primary School My Paper Test Question Basket Recommended Paper Campus Number Local Quality Education Institutions (2017 Spring \u2022 Hedong District School-level Final Exam) In November 2012, the maiden voyage of my country's first aircraft carrier \"Liaoning\" was successful, marking the beginning of the Chinese Navy...\"\nRank: 10\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 0.52 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2628,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2628\nTitle: \"China's aircraft carrier has both strategic significance and practical use! - Naval Forum - Tiexue Community\"\nSummary: \"Recently I saw a post in a forum. I won't mention the title of the post. The general idea was that China's aircraft carriers have only strategic significance but no practical use. I have no intention of contradicting this netizen. As the saying goes, \"everyone has his own opinion\". I still want to say something about myself...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 109.75 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2629,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2629\nTitle: \"The strategic significance of China's aircraft carriers is profound and significant - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"December 30, 2013 - The most interesting thing is that a Chinese student studying in the Soviet Union also participated in the hardware development of this aircraft carrier. So today we choose to use this obsolete aircraft carrier as a starting point for a certain purpose and strategic significance. Even...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.77 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2630,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2630\nTitle: \"China's possession of aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"September 26, 2012 - We don't need to put the development of aircraft carrier strategy in the top priority, nor do we need to blindly believe that aircraft carriers will play a special role in the strategic pattern in the future. So today I would like to share with you the first aircraft carrier built by China...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.57 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2631,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2631\nTitle: \"China's need for aircraft carriers has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"July 18, 2012 -It is a strategic weapon with expansion (high self-sustaining ocean-going combat capability), and its role is to make money. On the surface, although aircraft carriers have good combat power, they are not invincible. Submarines, missiles, destroyers...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.2 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2632,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2632\nTitle: \"China must have an aircraft carrier, which has far-reaching strategic significance - Chi Zhuqiang - Career Diary - Value China Network\"\nSummary: \"September 26, 2012 - Nuclear submarines are divided into offensive nuclear submarines and strategic missile nuclear submarines. In the absence of aircraft carriers in China, if nuclear submarines are used to launch nuclear missiles, then offensive nuclear submarines must be used to launch suicide attacks on aircraft carriers (almost = death...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 1.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2633,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2633\nTitle: \"The strategic significance of the Liaoning aircraft carrier_Chinese Text Library\"\nSummary: \"\"Century Lecture Hall\" - Looking at the national marine strategy from the development of aircraft carriers, now on air). 1. The role of aircraft carriers... Comparison of Liaoning with aircraft carriers of various countries_Military\/Politics_Humanities and Social Sciences_Professional Materials. Chinese version of \"Foreign Journal\" \"Liaoning\" and... But the Vanguard was already...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.35 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2634,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2634\nTitle: \"The strategic significance of aircraft carriers to China is always more important than actual combat (original) - Naval Forum - Tiexue Community\"\nSummary: \"Our disputes are all about the role of aircraft carriers on the battlefield. Why do we never look at the role of aircraft carriers from the national strategic level? Sad. When you ask questions, don't just look at the near side, look at the far side, look at the overall situation. I don't want to be the so-called non-aircraft carrier faction...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.28 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2635,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2635\nTitle: \"Varyag is not symbolic: aircraft carrier has greater strategic value\"\nSummary: \"Land, air, conventional, strategic, the aircraft carrier fleet is just a sharp blade of the entire war system, a surprise force or a regular force, an ambush to contain the US aircraft carriers. Such a war is in line with the contest between the two great powers. Therefore, aircraft carriers are in the middle...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.19 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2636,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2636\nTitle: \"Chinese media commented on the commissioning of China's first aircraft carrier: of great strategic significance_Military Channel_ifeng.com\"\nSummary: \"September 26, 2012 - The construction of aircraft carriers in China has multiple strategic significances and urgent practical needs. Aircraft carriers can improve the long-range maritime combat capability of the Chinese Navy. The commissioning of the Liaoning aircraft carrier shows that the radius of the Chinese Navy to maintain national interests is being expanded by Huang...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.73 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2637,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2637\nTitle: \"Zhang Xiaodong: What is the strategic significance of the aircraft carrier's transfer to the port? _Sina News\"\nSummary: \"March 4, 2013 - Guancha.com article on March 3rd titled: What is the strategic significance of aircraft carrier transfer? This month, my country's first aircraft carrier Liaoning left Dalian and transferred to Qingdao military port on the 26th. During the voyage, relevant weapons and equipment tests were organized as planned,...\"\nRank: 12\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.31 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2638,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Aircraft carrier strategic role\"\nQuery Dwell Time: 340.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2638\nTitle: \"Is the strategic significance of aircraft carriers really that great? - Zhihu\"\nSummary: \"Join Zhihu Is the strategic significance of aircraft carriers really that great? Show all Followers 10 Comments Share Invite to answer Follow the question Write an answer Basketball, military, movie enthusiasts 18 people agreed with this answer GTX690 can blow up the slag 18 ...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 48.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2639,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2639\nTitle: \"Compared with the Liaoning aircraft carrier, what are the advantages and disadvantages of the Vikrant aircraft carrier? - Zhihu\"\nSummary: \"In terms of attack wave intervals, Liaoning has an overwhelming advantage. I won't talk about the fourth point. You can search the number of accidents that occurred in the Indian Navy between 2012 and 2014 to understand it. Other indicators for measuring the entire aircraft carrier battle group include...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 94.31 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2640,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2640\nTitle: \"On November 21, 2012, China's carrier-based fighter J-15 successfully launched on the Chinese aircraft carrier Liaoning...\"\nSummary: \"On November 21, 2012, China's carrier-based aircraft J-15 successfully took off and landed on the Chinese aircraft carrier Liaoning. As shown in the figure, the carrier-based aircraft taking off is in motion relative to the deck. If the carrier-based aircraft is considered to be stationary... potential energy, the buoyancy of the aircraft carrier will decrease decrease (fill in \"increase\", \"decrease\" or \"remain unchanged\"). [Special topic] Other...\"\nRank: 2\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.1 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2641,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2641\nTitle: \"The first domestically-made aircraft carrier was launched. What are the improvements compared to the Liaoning? - Wukong Q&A\"\nSummary: \"Just like Toyota's Corolla and Ralink. First of all, let's talk about the deck. The deck area has increased compared to the Liaoning, and the island... The shipborne equipment of the domestic aircraft carrier, such as the battlefield perception system, radar and air traffic control system, will have advantages over the Liaoning. Finally... In addition, if it is not a nuclear-powered aircraft carrier, a conventionally powered aircraft carrier needs a centralized exhaust chimney location,...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.3 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2642,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning compared to other countries' aircraft carriers\"\nQuery Dwell Time: 141.56 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2642\nTitle: \"On September 25, 2012, my country's first aircraft carrier \"Liaoning\" was officially delivered to the People's Liberation Army of China...\"\nSummary: \"B. The position of the pilot relative to the crew on the Liaoning aircraft carrier is constantly changing. If the crew on the Liaoning aircraft carrier is used as a reference, the pilot is moving, so B is wrong; C. The position of the pilot relative to the J-15...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 5.51 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2643,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2643\nTitle: \"Shocking! China's Liaoning aircraft carrier suddenly revealed two major problems and three major defects - Xilu Eastern Military - Xilu.com\"\nSummary: \"The biggest advantage of US aircraft carriers is that they have two catapults. Baldwin recalled that during the \"Desert Storm\" airstrike on Iraq, an F\/A-18 fighter jet on the \"Midway\" had a fuel leak and the fighter jet had to make an emergency landing within 6 minutes, otherwise the aircraft would...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.33 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2644,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2644\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"Being detached from the world, one can be tolerant. The ski jump of Liaoning and 001A has offset the advantage of heavy carrier-based aircraft and brought about the serious problem of J15's large body occupying too much area. There is no advantage. Facing Rafale M, Charles de Gaulle will win a crushing victory. The most influential...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.98 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2645,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2645\nTitle: \"China China's Liaoning aircraft carrier was exposed to two major problems and three major defects. Japan is digging at China's lifeline...\"\nSummary: \"China's Liaoning ship was exposed to two major problems and three major defects! I saw an article online, written by Hong Kong military commentator Mr. Ma Dingsheng, which evaluated the fatal defects of China's first ship. It is said that Tang Yan has changed her feelings and dumped Qiu Ze for Luo because of family problems...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.42 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2646,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2646\nTitle: \"Daily Express\"\nSummary: \"April 21, 2017 - First: Liaoning is not a domestically produced aircraft carrier. The most abundant experience that my country can absorb is the ski-jump takeoff method of Liaoning, so the ski-jump takeoff method is more reliable. Second: If the catapult takeoff method is chosen, the next step of the domestically produced aircraft carrier...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2647,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2647\nTitle: \"Chapter 24: The Sinking of Liaoning - Future Human War History - Future Human War History Book Title Online Reading...\"\nSummary: \"Knowing this loss ratio, the Liaoning aircraft carrier officers and soldiers, including Liu Wu, felt that it was very worthwhile. However, although the loss ratio was reduced to 2 to 1, the absolute advantage of the Japanese carrier-based aircraft in quantity and quality meant that the Chinese J-15 carrier-based aircraft group...\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 30.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2648,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2648\nTitle: \"Taiwanese students in mainland China: Taiwan should not be left with only \"strong human touch\"_Taiwan Vientiane_China Taiwan Net\"\nSummary: \"June 10, 2014 - With the launch of the Liaoning aircraft carrier, the whole world has to be vigilant to this inexplicably powerful but rapidly improving force. At the same time, what happened in Taiwan? The mutual boycott between the blue and green parties in the \"Legislative Yuan\", the college students...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2649,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2649\nTitle: \"Passion writes innovative dreams_Rolling News_Sina Finance_Sina.com\"\nSummary: \"April 18, 2013 - Experts were invited to comment on the strengths and weaknesses of each province, region, and city, and to propose possible solutions to the problems. Readers have said that this large-scale report has indeed helped to create a strong atmosphere in each region to encourage and promote independent innovation...\"\nRank: 8\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2650,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 1220.98 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Advantages and disadvantages of Liaoning\"\nQuery Dwell Time: 275.44 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2650\nTitle: \"Where is the final base of Varyag? Let's discuss it! -Navy version-Super Base Camp...\"\nSummary: \"Their advantages and disadvantages are as follows: Qingdao Base Qingdao Port has the largest artificial naval base in the Far East. In fact, the Chinese Navy began the construction of a large ship base as early as the 1980s. In February 1988, the Chinese Navy...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2651,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2651\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Game type: ice-breaking game Suitable for: unlimited Game props: none Game steps: 1. Please extend your right hand, clench your fist, extend your index finger and middle finger to form a \"V\" (representing the rabbit), facing yourself; then extend your left hand, clench your fist...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 191.18 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2652,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to play icebreaker games\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2652\nTitle: \"Ice Breaking Games_Party Games\"\nSummary: \"Icebreakers are a very effective way to make large groups more harmonious, encourage shy people to participate more, liven up team meetings, and build cohesion among strangers. Clap every seven people: 8-15 people, that is...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.94 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2653,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"New employee training 10-person icebreaker game\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2653\nTitle: \"18 ice-breaking games (for warming up the audience)\"\nSummary: \"The first one: Magician turns into stone [ice-breaking game] Activity purpose: Through initial physical contact, break the distance between interpersonal relationships. Through this activity, students can increase their familiarity and integrate into the course in a short period of time. Activity equipment: Indoor or outdoor flat venue...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 114.74 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2654,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 409.95 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Ice Breaker Games\"\nQuery Dwell Time: 398.07 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2654\nTitle: \"Icebreaker games for individuals (get to know each other and understand each other's personalities) contains 43\"\nSummary: \"| Category: Default Category | Tags: Author: Liang Tingyi | Source: \"Selected Ice-breaking Games for Cell Groups (1)\" 1. Get to know your partners Purpose: Guess the living habits of group members Time: 15-20 minutes Materials: Pen and questionnaire Content: Group leader...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.48 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2655,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 105.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2655\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.11 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2656,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 105.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2656\nTitle: \"Beijing Tours - Dianping.com\"\nSummary: \"Surrounding facilities Commercial services Popular categories: Popular business districts: Landmark subway: Rating: Rating: Fee: I didn't listen to it once... And there are a lot of people during the peak tourist season, and the queue is very long! However, the amusement facilities inside... Rating: Rating...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.05 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2657,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 105.37 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2657\nTitle: \"What are the fun places around Beijing?\"\nSummary: \"Xinxin Travel Network Travel Guide: What are the fun places around Beijing? I believe that many people have never been to the tourist attractions around Beijing. Beijing, the beauty of this thousand-year-old capital, seems to be well known to us. So what are the beautiful scenery around Beijing?\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.55 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2658,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 316.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2658\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, the air is fresh and cool... Where to go in Beijing in May? Shengquan Temple Scenic Area Shengquan Temple Scenic Area is named after the thousand-year-old Shengquan in the scenic area. No...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.42 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2659,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 316.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2659\nTitle: \"Recommended tourist destinations in Beijing in May_Recommended leisure resorts in May_Recommended 5-day tour in Beijing in May...\"\nSummary: \"Double bed 7 days tour, Chengdu sunset red travel price, 2017 spring sunset red Beijing (Forbidden City, Great Wall, Summer Palace, Temple of Heaven, Prince Gong's Mansion), Tianjin air-conditioned double bed 7 days (luxury tour) elderly tour group itinerary features: 1. Highlights: Arrangement of four major...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.34 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2660,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beijing Surroundings Travel May\"\nQuery Dwell Time: 316.67 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2660\nTitle: \"[Beijing surrounding tour price] How much does it cost to travel from Beijing to Huangshan City in May 2018 | Pre-book...\"\nSummary: \"Kanghui Travel Network provides the most complete quotation for Beijing's surrounding tour routes, how much does all routes from Beijing to Huangshan City cost in May 2018, and real-time updates on what fun things to do around Beijing are.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 236.67 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2661,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 540.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"12306\"\nQuery Dwell Time: 55.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2661\nTitle: \"[12306 online train ticket booking_train ticket inquiry_12306 online ticket booking official website] Train ticket online...\"\nSummary: \"It provides national train timetable enquiry, train ticket enquiry, online train ticket booking, train ticket price enquiry and other services, including train ticket enquiry for EMU, high-speed rail and ordinary trains, train number enquiry, etc. 12306 online train ticket booking makes your travel convenient.\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 50.47 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2662,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua for sale\"\nQuery Dwell Time: 86.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2662\nTitle: \"Chengdu BMW fixed gear\/site 300-600 yuan bicycle | Chengdu BMW fixed gear\/site 300-600 yuan bicycle...\"\nSummary: \"Tsinghua University mountain bike, other bicycles, many second-hand bicycles for sale, easy to ride, with baskets for carrying people, various styles, styles... Fucheng - Fu River Second Bridge fixed gear\/field, other bicycles, given by a friend, no invoice, brought back and assembled by myself, just...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.86 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2663,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Tsinghua for sale\"\nQuery Dwell Time: 86.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2663\nTitle: \"[Tsinghua University second-hand venue\/fixed gear|Tsinghua University second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Price: Area: Sorry, no relevant information was found. Tsinghua University venue\/fixed gear related information. Tsinghua University venue\/fixed gear brand navigation. Tsinghua University second-hand venue\/fixed gear channel provides you with Tsinghua University second-hand venue\/fixed gear transfer\/sale information,...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 21.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2664,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer\"\nQuery Dwell Time: 187.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2664\nTitle: \"[Second-hand fixed gear bicycle transfer_New fixed gear bicycle transfer information] - baixing.com - China...\"\nSummary: \"Fixed Gear Transfer Jiefang Fixed Gear \/ Others \/ October 22 2 pictures 100 yuan Second-hand fixed gear transfer Decheng fixed gear \/ October 21 5 pictures 180 yuan fixed gear bicycle Nanshan - Lulinshan - Bus Station fixed gear \/ Others \/ October 21 2 pictures 360 yuan fixed gear bicycle transfer...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 134.63 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2665,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer\"\nQuery Dwell Time: 187.29 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2665\nTitle: \"[Second-hand genuine fixed gear for sale] - Yangjiang Second-hand - Ganji.com\"\nSummary: \"Authentic fixed gear used for sale - 1300 yuan for sale SOOO racing bike for sale Giant racing bike for sale Bonchino mountain bike for sale Fiverams mountain bike for sale Naima NAIMA road bike for sale Quiski mini bike for sale...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.03 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2666,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2666\nTitle: \"[Baiwanzhuang second-hand venue\/fixed gear|Baiwanzhuang second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Baiwanzhuang Second-hand Vents\/Fixed Gear Market provides you with a large amount of Baiwanzhuang Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Baiwanzhuang Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to 58.com...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2667,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2667\nTitle: \"[Baishiqiao second-hand venue\/fixed gear|Baishiqiao second-hand venue\/fixed gear quotation] - Beijing 58.com\"\nSummary: \"Baishiqiao second-hand fixed gear market provides you with a large number of Baishiqiao second-hand fixed gear transfer, purchase, price, picture information. Here you can query and publish Baishiqiao second-hand fixed gear information for free. Please go to 58.com to buy and sell second-hand fixed gear...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.88 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2668,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2668\nTitle: \"\u3010farfar fixed gear\u3011_second-hand_transfer_recycling \u2013 Xianyu\"\nSummary: \"Loading, please wait... Region selection porschewrcBeijingBeijingSince I plan to leave Beijing in the near future, I am selling my car. The original car was purchased on Taobao at the end of 2015. It is in good condition, with fixed gear, front brakes, and very beautiful solid wood straight handlebars. ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 111.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2669,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 485.97 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Transfer Beijing\"\nQuery Dwell Time: 164.87 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2669\nTitle: \"\u3010bj fixed gear\u3011_Second hand_Transfer_Recycling \u2013 Xianyu\"\nSummary: \"Fibre flare has been idle at home and is now transferred to fixed gear enthusiasts... 15 hours ago Light blue ning Shandong Linyi In addition to the car seat...Beijing Fangshan Liangxiang University Town is preferred 16 hours ago xinyuanzhi1017224668 Jilin Jilin Jiuxin, Aurora Blue...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2670,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 100.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2670\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Southern Fortune...\"\nSummary: \"March 22, 2017 -: What are the latest international flight baggage regulations in 2017? New international flight baggage regulations in 2017 Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to the United States...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.2 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2671,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights baggage restrictions\"\nQuery Dwell Time: 100.38 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2671\nTitle: \"International flight baggage regulations: What are the latest international flight baggage regulations in 2017? - Finance Channel -...\"\nSummary: \"March 22, 2017 - International Flight Baggage Regulations: What are the latest international flight baggage regulations in 2017? Air China has introduced a new policy of free checked baggage! After taking Air China flights from China to America and Europe...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2672,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 150.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2672\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2673,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage restrictions\"\nQuery Dwell Time: 150.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2673\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"Hope this helps! 2017 International Flight Baggage Rules Air China introduces a new policy of free checked baggage! After that, you can take Air China flights from China to America, Europe, Africa, the Middle East, Australia and New Zealand, Asia (not...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2674,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 101.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2674\nTitle: \"International flight baggage regulations\"\nSummary: \"\u2475\u3001International flights: Generally, the total weight of hand luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*... 3. What are liquids, gels and sprays? Liquids, gels and sprays include: Drinks, such as...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.71 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2675,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 101.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2675\nTitle: \"Liquid Carry-on Regulations (International Flights) - Passenger Guide | Centrair Nagoya Chubu International Airport...\"\nSummary: \"All international flights departing from Central Japan International Airport (excluding arriving flights) Carry-on baggage (excluding checked baggage such as suitcases) Effective date Carry-on regulations Except for the following cases, it is prohibited to carry any liquid items exceeding 100 ml. Container...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.69 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2676,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Hand luggage Liquids\"\nQuery Dwell Time: 101.73 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2676\nTitle: \"How much luggage can you bring on a plane? How much luggage can you bring on a plane? How much liquid can you bring on a plane?\"\nSummary: \"1. Free baggage allowance based on weight (applicable to domestic flights and international flights not in and out of the United States and Canada) If you are taking a domestic flight, the free baggage allowance for each passenger includes checked and carry-on baggage. The total weight of carry-on baggage is 5...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.95 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2677,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Baggage Liquids\"\nQuery Dwell Time: 52.6 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2677\nTitle: \"Requirements for checked liquids on international flights - Are there any regulations on how much liquid products can be checked in as luggage?\"\nSummary: \"What to do if there are liquids in checked baggage on international flights? 1. Passengers on Chinese international flights can carry no more than 1 liter (L) of liquids (excluding alcohol) per person each time. The excess must be checked in.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.67 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2678,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Baggage Liquids\"\nQuery Dwell Time: 52.6 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2678\nTitle: \"Liquid items in checked baggage on international flights - Fengniao.com\"\nSummary: \"Hello, I am a flight attendant of Air China. Checked baggage packaging Checked baggage must be well packed, properly locked, firmly tied, able to withstand a certain amount of pressure, able to be safely loaded and unloaded and transported under normal operating conditions, and must comply with...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.35 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2679,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Baggage Liquids\"\nQuery Dwell Time: 52.6 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2679\nTitle: \"What are the restrictions on checked liquids on international and domestic flights? I want to bring some boiled Chinese medicine...\"\nSummary: \"Most flights do not allow you to bring liquids larger than 50ml. You cannot bring Chinese medicine. There are restrictions on Chinese patent medicines. Share Add a comment Favorite Report 0 \/ 600 words Add an answer 0 words Business license New Internet License (Beijing) No. 242 National unified customer service phone number: ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.15 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2680,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Liquids\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2680\nTitle: \"I would like to ask what the current standards are for checking carry-on liquids on international flights! ? - Thailand - 16Fan\"\nSummary: \"Should I bring anything no larger than 100 ml or one liter? I want to ask what the current standards are for checking carry-on liquids on international flights! ? , 16th\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.58 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2681,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Liquids\"\nQuery Dwell Time: 48.42 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2681\nTitle: \"Starting from May, passengers on international flights can only bring 1 liter of liquid, but not perfume.\"\nSummary: \"April 21, 2007 - From May 1, passengers can bring up to 1 liter of liquid on domestic flights. Travel warning: Many foreign airports yesterday... Why can't you bring perfume and toothpaste on international flights from May 1? Xinhua News Agency, Beijing, April 20th. From May 1...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.73 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2682,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights: Liquids\"\nQuery Dwell Time: 94.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2682\nTitle: \"There are new regulations for passengers to carry liquids. Air China's warm service ensures passengers' travel\"\nSummary: \"May 15, 2007 - The publicity board is divided into four languages: Chinese, English, Korean and Japanese, so that passengers on international flights can understand the regulations on liquid items at a glance, avoiding misunderstandings caused by language barriers. However, due to changes in relevant regulations on international flights...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.36 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2683,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights: Liquids\"\nQuery Dwell Time: 94.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2683\nTitle: \"Can I carry liquids on international flights? - Solved - Alibaba Business\"\nSummary: \"International flights departing from China can carry liquids. The volume of each item must not exceed 100 ml. The total volume of liquids cannot exceed one liter. They do not need to be placed in transparent plastic bags. The restrictions are the same. Welcome to Business Tips! ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.14 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2684,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights: Liquids\"\nQuery Dwell Time: 94.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2684\nTitle: \"Can I bring liquids on international flights? - Qyer Q&A\"\nSummary: \"It is said that the latest regulations prohibit passengers on domestic flights from carrying liquid items. Passengers on international and regional flights departing from airports within China are not allowed to carry liquid items with a volume of more than 100 ml per item.\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.98 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2685,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights Checked liquids\"\nQuery Dwell Time: 64.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2685\nTitle: \"Are there any restrictions on liquid checked baggage on international flights? - Mafengwo\"\nSummary: \"If I check my luggage when flying abroad, are there any restrictions on the liquids in it? If there is a limit, what is the maximum total amount? Please note that it is checked!!! Checked!!! Checked!!! Not carried with you! I will be going abroad for the first time tomorrow, and I hope to get an answer. I am very grateful...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.44 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2686,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 993.72 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"International flights must be checked in\"\nQuery Dwell Time: 49.8 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2686\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2687,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 64.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2687\nTitle: \"Learn the best way to quit smoking. Understand the harms of smoking and the benefits of quitting smoking. Quit smoking easily.\"\nSummary: \"Quit Smoking Let you understand the harm of smoking and the benefits of quitting smoking, master the best way to quit smoking easily. Let yourself suffer less harm, give more care to your family, quit smoking from me!\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 31.65 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2688,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 64.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2688\nTitle: \"Quit Smoking Area - Quit Smoking Community | Quit Smoking Forum - Let's Quit Smoking Happily Together\"\nSummary: \"The Quit Smoking Area is a public welfare community forum for quitting smoking, which aims to help people who are addicted to smoking to quit smoking happily, exchange quitting smoking experiences, quitting smoking methods, relieve symptoms after quitting smoking, use of quitting smoking auxiliary medicines and products, etc., and guide people on how to quit smoking...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.61 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2689,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 64.38 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2689\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"Smoking cessation is a product specifically for men's health. The smoking cessation products sold on the official website are all genuine. Learn about smoking cessation and consult how much it costs to quit smoking. The only official channel to buy genuine smoking cessation products is safe and guaranteed. To buy genuine smoking cessation products, look for the official smoking cessation...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.96 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2690,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 220.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2690\nTitle: \"Benefits of quitting smoking 1 - Good Doctor Online\"\nSummary: \"Benefits of quitting smoking 1 Benefits of quitting smoking It is a well-known fact that quitting smoking can reduce the incidence of lung cancer, and there are many benefits that you may not know. Quitting smoking for 20 minutes: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 8 hours: blood pressure drops to normal, pulse drops to normal, and hand and foot temperature returns to normal; quitting smoking for 20 minutes ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 134.73 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2691,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 220.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2691\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.09 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2692,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 80.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2692\nTitle: \"What are the side effects of quitting smoking?\"\nSummary: \"Regarding the question \"What are the side effects of quitting smoking?\" I will answer one or two questions. First of all, I want to emphasize that smoking is harmful to health! Quitting smoking still requires caution! More than a decade ago, CCTV once broadcast a report in the \"Discapray Discover Your Channel\" program: \"According to international medical...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.25 ms on the document.\nDocument's click-through rate (CTR) is 0.21\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2693,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quit smoking side effects\"\nQuery Dwell Time: 80.28 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2693\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.18 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2694,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 432.09 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 41.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2694\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Author: admin Quit smoking Source: Original from this site Hits: China Quit Smoking Network News: I believe everyone knows that smoking is very harmful, and smoking frequently is addictive. So how should we quit smoking when we are addicted? What is the most effective way to quit smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.68 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2695,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 26.18 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2695\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.84 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2696,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Features\"\nQuery Dwell Time: 79.41 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2696\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"LOHO Glasses Life Senior Optometrist reminds you: Google Glass is a pair of \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone and is called a microcomputer. So what are its functions?\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.6 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2697,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 47.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2697\nTitle: \"Google releases Google Glass Getting Started Guide to help users master how to use it - China News Center\"\nSummary: \"(Wu Ji) Beijing time, May 1, according to foreign media reports, Google (Weibo) released a video on Tuesday to help users master the use of Google Glass. The video shows that the glasses of Google Glass...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.01 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2698,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2698\nTitle: \"Google Glass Price_Latest Google Glass Price\/Wholesale Quote_Google Glass Price List - Alibaba...\"\nSummary: \"Alibaba has found 3,028 latest Google Glass prices, Google Glass wholesale prices, price trends, and also includes the supplier's profile, pictures, sales, main products and other comprehensive information, providing you with a full range of price references for ordering products...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.84 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2699,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 220.75 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 39.31 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2699\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.49 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2700,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone6\"\nQuery Dwell Time: 34.98 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2700\nTitle: \"iPhone- Apple\"\nSummary: \"Explore iPhone, the world's most powerful personal device. Check out iPhone X, iPhone 8, and iPhone 8 Plus.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2701,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bdomestic price\"\nQuery Dwell Time: 36.97 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2701\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6|Parameters_iPhone6 \u200b\u200bPictures|Reviews_Apple iPhone...\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it. I waited until the supply was relatively stable and bought the iPhone 6 (64GB space gray) last Saturday (October 25 at 10 pm), but using it...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.54 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2702,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iPhone6 \u200b\u200bHong Kong Price\"\nQuery Dwell Time: 76.56 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2702\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"The prices of iPhone 6 and iPhone 6 Plus start at 5288 yuan and 6088 yuan respectively. This is higher than the price when it was first launched in Hong Kong. According to the price information on Apple's Hong Kong official website, the price of iPhone 6 starts at 5588 Hong Kong dollars (16GB), which is about 4424 yuan; the price of 64GB...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 51.48 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2703,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 67.98 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2703\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.59 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2704,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Taxes on buying iPhone 6 in Hong Kong\"\nQuery Dwell Time: 71.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2704\nTitle: \"Do I need to pay tax when buying an iPhone 6 in Hong Kong? - Hong Kong - 16fan\"\nSummary: \"Do I have to pay tax when I buy an iPhone 6 in Hong Kong? That depends on the mood of the customs. . Uh... Really. . Where are you going back from Hong Kong? I plan to go from Luohu, but I bought it for my own use, and it has been unpacked! The box is placed in the box, and the phone can be taken by myself, right? Luo...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.6 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2705,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Taxes on buying iPhone 6 in Hong Kong\"\nQuery Dwell Time: 71.51 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2705\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 -Hong Kong iPhones are usually much cheaper than those sold in China, and iPhone 6 is no exception. However, do I need to pay tax when buying iPhone 6 in Hong Kong?\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.78 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2706,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports domestic operator networks\"\nQuery Dwell Time: 74.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2706\nTitle: \"Both the mainland and Hong Kong iPhone 6 support mobile 4G network_IT Breaking News_Southern News\"\nSummary: \"September 3, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and both domestic and Hong Kong iPhone 6s support China Mobile's 4G network. Apple officially confirmed that the iPhone 6 will be available on September 9, Pacific Time...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2707,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports domestic operator networks\"\nQuery Dwell Time: 74.53 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2707\nTitle: \"Apple iPhone 6 supports 4G network of three major domestic operators_Page 1_Digital Talk_Digital_Xici...\"\nSummary: \"Apple has officially released a new generation of large-screen iPhones - the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus. Apple iPhone 6 supports the 4G network of the three major domestic operators.\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.42 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2708,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports China Unicom\"\nQuery Dwell Time: 27.18 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2708\nTitle: \"Hong Kong iPhone 6 confirmed to support China Unicom 4G [Tencent Mobile Manager]_Baidu Post Bar\"\nSummary: \"6 Confirmed to Support Unicom 4G\u3011A Weibo user got a Hong Kong version iPhone 6 and found that it can perfectly use Unicom 4G and is connected to the LTE FDD network. From the network standard, the Hong Kong version iPhone 6...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.5 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2709,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports Telecom\"\nQuery Dwell Time: 22.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2709\nTitle: \"Does the Hong Kong version of the iPhone 6 support China Telecom? - Hong Kong - 16fan\"\nSummary: \"It is not supported. Maybe there will be a module for Telecom after jailbreaking!!! It is said on the Internet that this model A1586 should support all networks, but there is no Telecom operator in Hong Kong, so the Hong Kong version has Telecom removed. I don't know if it is supported on the Internet...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.39 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2710,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 505.34 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports Telecom\"\nQuery Dwell Time: 22.54 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2710\nTitle: \"Does the Hong Kong version of iPhone 6 support telecom cards? Please tell me the advantages and disadvantages of the Hong Kong version in detail, thank you! - ...\"\nSummary: \"I use a telecom card and want to buy an i6, but I heard that the Hong Kong version does not support telecom cards. Is that true? --Good people have a peaceful life! Does the Hong Kong version of iPhone 6 support telecom cards? Please tell me the advantages and disadvantages of the Hong Kong version in detail, thank you! , Weiphone Forum\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.13 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2711,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Detailed Address\"\nQuery Dwell Time: 58.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2711\nTitle: \"...(near Wudaokou) How to get there, the address of Chenming Swimming Pool (Tsinghua University Swimming Pool),...\"\nSummary: \"Note: The map location is for reference only. The specific situation is subject to the actual road sign information. Introduction: Chen Ming Swimming Pool: It is said that... (Very good) Value for money 4 (Very good) Tsinghua's swimming pool has good water quality, clear and no disinfectant smell. The swimming lanes are also...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2712,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Swimming Pool Detailed Address\"\nQuery Dwell Time: 58.1 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2712\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"Address: Inside Tsinghua University, Haidian District, Beijing Phone No, I will add Category: Swimming Traffic Guide Bus stops near Chen Ming Swimming Pool of Tsinghua University: Dashiqiao, Dashiqiao North, Shuangqing Road South Exit, Qianbajia, Qinghua East Road West Exit Station, Bajia...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.64 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2713,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool\"\nQuery Dwell Time: 71.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2713\nTitle: \"Tsinghua Swimming Pool Opening Time in 2015_Baidu Knows\"\nSummary: \"Best answer: Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-...More questions about Tsinghua Chen Ming Swimming Pool>>\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.24 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2714,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 215.55 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool\"\nQuery Dwell Time: 71.11 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2714\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 48.59 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2715,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Basic Information\"\nQuery Dwell Time: 93.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2715\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 80.64 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2716,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Speed\"\nQuery Dwell Time: 32.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2716\nTitle: \"How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is already smoking at 12 knots_Short video...\"\nSummary: \"Short video How fast is the Liaoning? 400 kilometers in 5 hours. The Russian aircraft carrier is running at 12 knots but it is already smoking. Watch online in high definition. Short video related videos This minute of Nick Cheung's movie is more inspiring than reading a chicken soup book. If you are heartbroken, you may want to watch it. Father's love for his daughter...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.27 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2717,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 70.83 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2717\nTitle: \"Model of Liaoning aircraft carrier battle group unveiled at weapons exhibition, equipped with cutting-edge weapons_News_Nanhai.com\"\nSummary: \"September 30, 2012 - Some of the weapons and equipment have reached the world's advanced level. At this weapons exhibition, the organizer exhibited a full set of high-simulation models of my country's first aircraft carrier formation, the \"Liaoning\" aircraft carrier formation. The organizer said that its composition is similar to that of my country's...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 50.89 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2718,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Strategic Role\"\nQuery Dwell Time: 28.23 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2718\nTitle: \"The commissioning of the Liaoning reflects five strategic significances [Jiangchuan Farm Hangzhou Youth Bar]_Baidu Post Bar\"\nSummary: \"The commissioning of the Liaoning reflects the five... \"Yellow Water Navy\" turns to \"Blue Water Navy\" Yesterday, China's first aircraft carrier, the Liaoning... will accelerate the comprehensive strategic transformation of the Chinese Navy from a \"yellow water navy\" to a \"blue water navy\".\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.22 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2719,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 67.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2719\nTitle: \"Can Liaoning's comprehensive capabilities reach the Charles de Gaulle? - Navy Edition - Super Base Military Forum - The most...\"\nSummary: \"No advantage against Rafale M. Left and right disadvantages, Charles de Gaulle will win overwhelmingly. The most influential military forum - Super Base Military Forum welcomes you! Aloof from the world, tolerant. From the perspective of the aircraft carrier itself, Charles de Gaulle is better than Liaoning. The new aircraft carrier...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2720,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 67.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2720\nTitle: \"Don't expect too much from Liaoning\"\nSummary: \"The Liaoning played a role in resolving the Diaoyu Islands dispute, but not as much as many people imagined. China has finally completed its settlement of the dispute over the Wa... From this point of view, China's \"institutional advantage\" is no longer an advantage, but rather a disadvantage - China's existing system...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.12 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2721,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning Advantages Disadvantages\"\nQuery Dwell Time: 67.32 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2721\nTitle: \"Comparison of aircraft carrier parameters of China, Russia, the United States, India and France_Sohu Military_Sohu.com\"\nSummary: \"April 29, 2017 - Comparison in a simple and clear table is the most intuitive way to reflect the advantages and disadvantages. In this special... Liaoning Domestic 001A Standard displacement 55,000 tons 55,000 tons 57,000 tons Full load displacement 65,000 tons 65...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 11.1 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2722,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 88.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2722\nTitle: \"Aircraft carriers are indeed giants. The deck of Liaoning compares with the Nimitz class of the United States_Sohu Others_Sohu.com\"\nSummary: \"January 15, 2017 - Statement: This article was written by an author who is registered on Sohu.com. Except for Sohu official accounts, the views only represent the author himself and do not represent the position of Sohu.\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.01 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2723,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 656.92 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 88.28 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2723\nTitle: \"US: How does China's aircraft carrier Liaoning compare to other countries\"\nSummary: \"India's Vikramaditya's carrier aircraft are Russian-made fourth-generation MiG-29K fighters, which face the same takeoff and range limitations as the Vikramaditya lacks an aircraft catapult. China's first aircraft carrier, the Liaoning, has attracted the attention of the Chinese...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.3 ms on the document.\nDocument's click-through rate (CTR) is 0.23\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2724,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 178.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training: ice-breaking game for 10 people\"\nQuery Dwell Time: 117.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2724\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.2 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2725,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 178.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training\"\nQuery Dwell Time: 28.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2725\nTitle: \"Deserted Island Survival Development Training\"\nSummary: \"Quality development training planning Quality development training planning Quality development training planning Deserted island survival development training Deserted island survival development training Deserted island survival development training Employee outdoor development training Employee outdoor development training Employee outdoor development training\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2726,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 178.3 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"New employee training\"\nQuery Dwell Time: 28.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2726\nTitle: \"Outward Bound Training - Deserted Island Survival Project\"\nSummary: \"Features of the Deserted Island Survival Project 1. Enhance the communication skills of team members. Enhance the management ability of leaders to lower-level employees. 2. Enable people to distinguish between the key and secondary priorities of work and learn to grasp the main contradictions of the problem. 3. Let people establish a sense of crisis,...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2727,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2727\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have fun recently. Can anyone tell me where to go in Beijing in May? Where to go in Beijing in May... Yunju Temple 4 interesting places to visit Yunju Temple is located in Fangshan District, southwest of Beijing, 70 kilometers from the city center. It occupies...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.83 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2728,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2728\nTitle: \"Where to go in Beijing during the May Day holiday?\"\nSummary: \"Beijing Legu Music Festival Time: May 1st to May 3rd Beijing Legu Music Festival Location: Yuyang International Ski Resort, Gaocun Town, Pinggu District, Beijing There are many fun places around Beijing, of course we have to choose the most fun places and the most interesting activities. Then...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 9.22 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2729,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2729\nTitle: \"What are the fun places in Beijing in 2017?\"\nSummary: \"As the capital of China, what are the interesting attractions in Beijing? I believe many people don't know. Below, the editor of 100%.com has sorted out the information of Beijing attractions in 2017 for everyone, hoping to add icing on the cake for everyone's Beijing trip. 2017 Beijing attractions - Gu...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.94 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2730,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2730\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"Popeye (Vagabond) (Level 1) Landlord of Youtianxia Hello, you can come to Beidaihe to have fun. It is also close to Beijing. There are only a few... I want Qinhuangdao in May... What are the good places around Beijing in May... Where can I go to Beidaihe frequently in May... Is there a place close to Qinhuangdao...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.41 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2731,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2731\nTitle: \"What are the fun places in Beijing during the May Day holiday? Introduction to the fun attractions in Beijing during the May Day holiday in 2016? _Tourism Q&A...\"\nSummary: \"Are there any good attractions nearby that you can recommend? Does anyone know what fun places there are in Beijing during the May Day holiday? Introduction to fun attractions in Beijing during the May Day holiday... Here are \"The Mansion Gate\", \"The Dye House\", \"The Heaven Sword and Dragon Saber\", \"The Fragrance of Sophora japonica in May\", \"Iron Teeth and Bronze Teeth Ji Xiaolan\"...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.33 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2732,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Interesting places around Beijing in May\"\nQuery Dwell Time: 191.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2732\nTitle: \"Where to go in May_What attractions are fun in May_Recommended recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"There are many tourist attractions around Beijing, including some popular tourist cities, Qinhuangdao is one of them. Every year, many people travel from Beijing to Qinhuangdao, especially in summer, Qinhuangdao is a summer resort. In Qinhuangdao...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.23 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2733,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Cheap and fun places around Beijing\"\nQuery Dwell Time: 49.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2733\nTitle: \"Top 10 must-see places in Beijing, Beijing travel guide - Mafengwo\"\nSummary: \"Travel days \/ 3 days People \/ With friends Counting on my toes, I have been in Beijing for 7 years and have been to more than a dozen interesting places. Now I don\u2019t know where to go on weekends... It\u2019s boring. I used to think that Jiankou and Miyun Reservoir were the most...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.58 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2734,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Cheap and fun places around Beijing\"\nQuery Dwell Time: 49.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2734\nTitle: \"What are the fun places around Beijing? Recommended places with few people around Beijing\"\nSummary: \"The most fun place, I think. 2. Miyun Reservoir (leisure, relaxation) Beijing is not near the sea and lacks water, so Miyun Reservoir is the largest body of water. The north bank is as open as the sea, and there is a row of radio telescopes on the shore that roar to the sky; the south bank...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2735,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surrounding Tourism Transportation\"\nQuery Dwell Time: 44.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2735\nTitle: \"Tickets from Beijing to surrounding tourist attractions_XinXin Travel Network\"\nSummary: \"Internal Transportation Tourist Trains There are tourist trains departing from several railway stations in Beijing to various scenic spots in the suburbs of Beijing on a regular basis every day. Tickets for holiday outing trains can be purchased at Beijing Railway Station, Beijing North Railway Station, Beijing South Railway Station, Beijing Railway International Travel Agency, etc. Beijing Railway Station, Beijing...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.49 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2736,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Scenic spots around Beijing\"\nQuery Dwell Time: 27.09 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2736\nTitle: \"Recommended attractions and itinerary for a two-day tour around Beijing\"\nSummary: \"Beijing famous tourist attractions free travel Hangzhou nearby free travel attractions Ganzhou surrounding tourist attractions self-driving guide Hefei around... (There are clear signs along the way) Bus route: 1. Take bus 916 to Huairou (20 kilometers from the scenic spot), turn to Chengbei 2...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.53 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2737,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Seven-day tour of scenic spots around Beijing\"\nQuery Dwell Time: 41.74 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2737\nTitle: \"The best route for a seven-day tour in Beijing - HuiZe Insurance Network\"\nSummary: \"The above is the best route for a seven-day tour in Beijing recommended by the editor. You can visit Tiananmen Square and the surrounding attractions; you can also visit the Forbidden City to admire the majesty of the royal palace. No matter which scenic spot you visit in Beijing, your trip to Beijing will not be...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.09 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2738,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What are the fun things to do around Beijing?\"\nQuery Dwell Time: 46.97 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2738\nTitle: \"Where to have fun near Beijing?\"\nSummary: \"There are not many fun places around Beijing, so we have set our sphere of influence in Hebei. If you don't want to go far, you might as well go there... There is almost no tourism development there, but there are enough tourism elements, almost every doorman, every small tower and temple...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.01 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2739,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"3-Day Tour around Beijing\"\nQuery Dwell Time: 43.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2739\nTitle: \"In March, I will organize a trip with my colleagues. Are there any two-day tours around Beijing that are suitable for us?\"\nSummary: \"Hong Kong: +852-3069-9966 Overseas: +86-21-3406-4888 Problems solved: 3600730 9099326 people contributed valuable experience In March, my colleagues and I organized a spring outing. What two-day tours around Beijing are suitable for us?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2740,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"3-Day Tour around Beijing\"\nQuery Dwell Time: 43.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2740\nTitle: \"Where to go for a 2-3 day trip around Beijing and where to eat - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where are the best places to have fun and eat in Beijing for a 2-3 day trip? 4307 views 0 people are following Follow Answer 1 answer First, I would like to recommend a few places I have been to: I often go out to play, and I often try short trips of 2-3 days. I feel...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 19.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2741,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2741\nTitle: \"Grassland Sky Road in Zhangbei, Zhangjiakou - Travel Q&A\"\nSummary: \"Today is June 21st. The natural vegetation around the Grassland Sky Road has turned green, and crops have been planted in the farmland. July and August are the peak tourist seasons, and there will be quite a lot of tourists. Now is a good time to go without crowds. 2016-04-29 08:28 0 \/ 1000 words This is the fifth...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.09 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2742,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2742\nTitle: \"Related: When to go to Zhangjiakou Grassland Sky Road when there are not many people | How much does it cost to go to Zhangjiakou Grassland Sky Road for two days...\"\nSummary: \"Drive through the \"Batou Hundred Miles Painting Scroll\" and experience the grassland road where \"driving on green waves and people swimming in the painting\"; view route details >> Shijiazhuang summer popular tourist routes At the junction of Henan, Hebei and Shanxi provinces, there is a beautiful small town in northern Henan, its name is...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.26 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2743,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2743\nTitle: \"Zhangjiakou Grassland Sky Road. Mafengwo\"\nSummary: \"Because of the military parade, Beijing has restricted traffic. How can I get to Zhangjiakou Tianlu? Where should I go first? It would be best if you can help me edit the route. One-day tour 3850 views 0 people follow Follow Answer 3 answers Take the Badaling Expressway and go directly to Zhangbei, then you can go to Zhongdu Grassland...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.92 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2744,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Grassland Sky Road in Zhangjiakou\"\nQuery Dwell Time: 114.16 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2744\nTitle: \"Zhangjiakou Grassland Sky Road becomes popular and is called the Chinese version of Route 66 - NetEase Hebei\"\nSummary: \"August 20, 2014 - In Hebei, there is a road called Grassland Sky Road, located at the junction of Zhangbei and Chongli. On both sides of the winding road, there are green grasslands and many windmills... Only here can you truly feel the word freedom and...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2745,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2745\nTitle: \"Zhangbei Grassland Sky Road Two-Day Tour Guide and Guide_Record a Travel on a whim\u2014\u2014Qi_Bao...\"\nSummary: \"Recording a spontaneous trip - Zhangbei Grassland Sky Road at the end of July. The kids are on summer vacation in July. After a week of raising pigs in Phuket, we can't resist the desire for freedom. We set off this weekend under the pretext of avoiding the scorching heat in Beijing. Just relying on...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2746,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2746\nTitle: \"Grassland Sky Road Travel Guide\"\nSummary: \"|Zhangjiakou has been an important military defense town and a land trade port for entering the Mongolian, Russian and Eastern European markets since ancient times. It has green mountains and clear waters as well as lonely smoke in the desert. It is one of the main destinations for tours outside Beijing.\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2747,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2747\nTitle: \"Zhangbei Grassland Sky Road Self-driving Tour Guide Shijiazhuang to Zhangjiakou Train 3-Day Tour [Pure Play No Shopping]...\"\nSummary: \"Itinerary: Depart at night, return at night, visit during the day, and take in all the highlights of Zhangbei Bashang Grassland; Highlights: Grassland Sky Road No. 66, Zhongdu Grassland, Grassland Amusement Park; Shocking: Zhongdu Style, Yehuling Battle Performance; Folk...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2748,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 783.46 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Zhangjiakou Grassland Sky Road Travel Tips\"\nQuery Dwell Time: 70.7 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2748\nTitle: \"Grassland Sky Road Travel Guide_Baidu Experience\"\nSummary: \"Grassland Sky Road Travel Guide, is one of the ten most beautiful roads in mainland China, known as China's Route 66. \"Grassland Sky Road\" is 132.7 kilometers long. At the end of 2011, Zhangbei County of Zhangjiakou City invested 320 million yuan and was completed and opened to traffic at the end of September 2012. ...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.87 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2749,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 127.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Bicycles near Tsinghua University\"\nQuery Dwell Time: 38.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2749\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"Add interior view Apply for new landmark Phone: 13693077221 Address: 200 meters north of the west gate of Tsinghua University [Report address and phone error] View large map: Merida Bicycle Tsinghua West Gate Hotel Inquiry Air Ticket Inquiry Attraction Tickets Travel Route Movie...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.07 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2750,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 127.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 28.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2750\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 4.27 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2751,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 127.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note when buying a fixed gear bike\"\nQuery Dwell Time: 28.47 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2751\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling track bicycle competition, called \"racing wheel\", in China...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.29 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2752,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2752\nTitle: \"General regulations for checked baggage - Air China official website\"\nSummary: \"Lithium battery transportation regulations in passenger baggage According to the ICAO Technical Instructions for the Safe Transport of Dangerous Goods by Air (2011-2012 Edition), passengers or crew members are required to carry portable electronic devices containing lithium or lithium-ion cells or batteries for personal use...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.73 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2753,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2753\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.89 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2754,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2754\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 2.93 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2755,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights baggage regulations\"\nQuery Dwell Time: 57.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2755\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"The free checked baggage allowance for Dragonair's international flights is as follows: Passengers traveling to and from the United States and Canada can check in 2 pieces of luggage for free, and the weight of each piece of luggage must not exceed 32 kg; Passengers on other routes can check in 40 kg for first class and 40 kg for business class.\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.1 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2756,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Prohibited liquids\"\nQuery Dwell Time: 29.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2756\nTitle: \"I would like to ask what the current standards are for checking carry-on liquids on international flights! ? - Thailand - 16Fan\"\nSummary: \"Should I bring anything no larger than 100 ml or one liter? I want to ask what the current standards are for checking carry-on liquids on international flights! ? , 16th\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2757,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Prohibited liquids\"\nQuery Dwell Time: 29.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2757\nTitle: \"Can I bring liquids on international flights? - Qyer Q&A\"\nSummary: \"It is said that the latest regulations prohibit passengers on domestic flights from carrying liquid items. Passengers on international and regional flights departing from airports within China are not allowed to carry liquid items with a volume of more than 100 ml per item.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.37 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2758,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flights Prohibited liquids\"\nQuery Dwell Time: 29.22 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2758\nTitle: \"Are there any restrictions on liquid checked baggage on international flights? - Mafengwo\"\nSummary: \"Some people say that there are no restrictions on checked liquids. I am really confused and hope to get a positive answer) 11747 views 0 people follow Follow Answer 2 answers [The questioner accepts] Hi, this question is quite knowledgeable 1. There are basically no restrictions on checked liquids. I only brought cucumber skin toner...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.56 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2759,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 4270.59 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International Aircraft Prohibited Items\"\nQuery Dwell Time: 17.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2759\nTitle: \"Prohibited items on airplanes\"\nSummary: \"Things to note when flying Prohibited items on airplanes: The following are examples of prohibited items: (a) Firearms, including shotguns, air guns, livestock anesthesia slaughter machines, push-action guns, signal guns, starter rifles, ammunition, replica or imitation firearms, crossbows. (b) Explosives, including...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2760,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2760\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.45 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2761,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2761\nTitle: \"The benefits of quitting smoking - Sanjiu Health Hall\"\nSummary: \"Today, I will introduce to you how to quit smoking, the benefits of quitting smoking and the symptoms after quitting smoking. The smoking cessation clinic of the hospital has not had any patients for 64 days. The smoking rate of males in Shenyang is 44.7%, but there are not many patients in the smoking cessation clinic. On the 28th...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.95 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2762,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2762\nTitle: \"What are the benefits of quitting smoking?\"\nSummary: \"(II) Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total risk of smoking is...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.28 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2763,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2763\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.88 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2764,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2764\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.18 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2765,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2765\nTitle: \"Benefits of quitting smoking\"\nSummary: \"If you want to make up your mind to quit smoking, you must first realize the specific benefits of quitting smoking. After you have a detailed understanding of the benefits of quitting smoking, you will have more confidence and perseverance. <br \/><br \/> Quitting smoking...\"\nRank: 10\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2766,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2766\nTitle: \"Benefits of quitting smoking brochure\"\nSummary: \"2. Long-term benefits of quitting smoking 1. Reduced risk of cancer After quitting smoking for 5-10 years, the lung cancer mortality rate is slightly higher than that of non-smokers. After quitting smoking for 10-15 years, the chance of getting lung cancer can be reduced to the same as that of non-smokers. According to a Japanese survey, the total amount of smoking...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.41 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2767,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2767\nTitle: \"Benefits of quitting smoking\"\nSummary: \"Benefits of quitting smoking: 20 minutes after quitting smoking: As the nicotine content in the body decreases, the body's circulatory system improves, especially the hands and feet. 8 hours after quitting smoking: The oxygen content in the blood reaches the level when you don't smoke, and at the same time, the body's oxygen content...\"\nRank: 13\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2768,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 134.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2768\nTitle: \"6 benefits of quitting smoking - Food Business Network Information\"\nSummary: \"Tobacco Online According to International Online Report According to Canada's \"Hostes\" magazine, the harm of smoking is well known. In order to spread the idea that smoking is harmful to health, foreign manufacturers have put a lot of effort into the outer packaging of cigarette boxes, such as skulls, cancerous lung organs...\"\nRank: 16\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.22 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2769,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 101.45 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2769\nTitle: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health...\"\nSummary: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health. I beg for a good way to quit smoking! It should be easy to operate. Put more food that your father likes on your body, such as candy.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 68.37 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2770,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The harm of quitting smoking\"\nQuery Dwell Time: 40.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2770\nTitle: \"The harm of smoking and the physical reaction after quitting smoking\"\nSummary: \"It is the main reason why many people fail to quit smoking. In the blood of people who have developed a smoking addiction, nicotine is maintained at a certain level. If this level is not reached, they will feel uncomfortable. After people quit smoking, due to the lack of nicotine stimulation in the body,...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.73 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2771,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The harm of quitting smoking\"\nQuery Dwell Time: 40.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2771\nTitle: \"The dangers of relapse after quitting smoking\"\nSummary: \"The harm of relapse is very great, even more harmful to the human body than before quitting smoking. The most important harm is that relapse will lead to faster lung function failure. People who smoke again after quitting smoking are more vulnerable to toxic substances in the smoke. Relapse is more...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.87 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2772,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The harm of quitting smoking\"\nQuery Dwell Time: 40.51 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2772\nTitle: \"What are the side effects of quitting smoking? - Answer without complaint or sadness - Wukong Q&A\"\nSummary: \"Quit smoking recipe 1: Buy 250 grams of pumpkin vines, wash and chop them, then mash them to extract the juice, add an appropriate amount of brown sugar, and drink it as tea after boiling water. Quit smoking recipe 2: Buy 12 grams of earthworms, 12 grams of houttuynia cordata, 15 grams of polygala, then add 500 ml of water, mix...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2773,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2773\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.9 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2774,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2774\nTitle: \"Side effects of quitting smoking - Sanjiu Health Hall\"\nSummary: \"It is easy to smoke but difficult to quit. Many people start smoking on a whim, and when they want to quit, they can't live without tobacco. In fact, if you want to quit smoking successfully, you need to master some smoking cessation techniques. It is said that there will be side effects of quitting smoking, but only...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.38 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2775,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2775\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.72 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2776,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 56.06 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2776\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.48 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2777,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 42.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2777\nTitle: \"The ten most effective ways to quit smoking\"\nSummary: \"Make sure your mouth is never empty for cigarettes. The above are ten ways to \"quit smoking most effectively\". For more ways to quit smoking, please see the \"How to Quit Smoking\" column. Previous Quit Smoking: Five Ways to Get Men to Quit Smoking Next Quit Smoking: Quit Smoking to Prevent Relapse...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.57 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2778,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 42.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2778\nTitle: \"6 ways to quit smoking and how to clear your lungs after quitting smoking\"\nSummary: \"6 ways to quit smoking If smokers thoroughly understand and truly believe that smoking is harmful. If they think about their own experience of lung cancer, heart disease, stroke and other diseases caused by smoking, they will actively look for ways to quit smoking. Quitting smoking starts from daily life...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.74 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2779,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to Quit Smoking\"\nQuery Dwell Time: 42.16 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2779\nTitle: \"How to quit smoking?\"\nSummary: \"Details: How to quit smoking? Answer: Find a way to quit smoking based on your personal needs 1. A smoking cessation hotline is provided by the National Health Administration, where a specialist will teach you how to quit smoking 2. Smoking cessation clinics provide smoking cessation patches, which are currently available in most hospitals and have good results 3. Quitting...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.18 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2780,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2780\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Author: admin Quit smoking Source: Original from this site Hits: China Quit Smoking Network News: I believe everyone knows that smoking is very harmful, and smoking frequently is addictive. So how should we quit smoking when we are addicted? What is the most effective way to quit smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.11 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2781,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2781\nTitle: \"ScienceNet - Quitting smoking can also be contagious\"\nSummary: \"According to a report by British media on May 22, researchers recently found that quitting smoking is contagious. Previously, researchers have found that weight loss is contagious; this time they found that the same principle applies to people who quit smoking. People are connected through social and family relationships...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.01 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2782,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2782\nTitle: \"ScienceNet - If you want to quit smoking, do a blood test first\"\nSummary: \"Xinhua News Agency: How to choose a smoking cessation method that suits you and quit smoking as soon as possible? The latest issue of the British journal \"The Lancet Respiratory Medicine\" published a report on January 12, saying that blood tests to measure the efficiency of nicotine metabolism in smokers can help choose...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.62 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2783,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2783\nTitle: \"Scientific smoking cessation method concept\"\nSummary: \"Author: admin Smoking cessation source: original website Hits: China Smoking Cessation Network News: To reduce the harm of secondhand smoke to non-smokers, popularize and promote the scientific concept of smoking cessation, recently, the \"Quit Smoking Billions of Hours\" event hosted by the \"Quit Smoking I Can\" public welfare official website...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.99 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2784,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific smoking cessation\"\nQuery Dwell Time: 46.69 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2784\nTitle: \"Scientific smoking cessation keeps you away from lung cancer\"\nSummary: \"Quitting smoking is not easy, but it is not impossible. Scientific selection of smoking cessation drugs and the support of professional medical staff play a role in helping patients quit smoking. In addition to general smoking cessation methods recommended by the current international clinical smoking cessation guidelines, the use of...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.61 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2785,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific ways to quit smoking\"\nQuery Dwell Time: 30.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2785\nTitle: \"Scientific methods to quit smoking\"\nSummary: \"Scientific smoking cessation methods` First of all, we must realize the benefits of quitting smoking: Just quitting smoking for one day, the benefits of quitting smoking to the heart, blood pressure and blood system will be apparent. After quitting smoking for one year, the excess risk of coronary heart disease is reduced by half compared to those who continue to smoke. Quitting smoking for 5...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.76 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2786,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific ways to quit smoking\"\nQuery Dwell Time: 30.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2786\nTitle: \"Scientific methods to quit smoking\"\nSummary: \"Scientific smoking cessation methods` First of all, we must realize the benefits of quitting smoking: Just quitting smoking for one day, the benefits of quitting smoking to the heart, blood pressure and blood system will be apparent. After quitting smoking for one year, the excess risk of coronary heart disease is reduced by half compared to those who continue to smoke. Quitting smoking for 5...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.51 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2787,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 569.35 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Scientific ways to quit smoking\"\nQuery Dwell Time: 30.83 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2787\nTitle: \"A complete guide to scientific smoking cessation methods\"\nSummary: \"Lung-clearing pear: can quench thirst, clear heat and relieve cough, etc. A complete list of scientific ways to quit smoking 1. Reduce the time you spend alone If you want to quit smoking, you should try to reduce the time you spend alone. When you are alone, you are most likely to get addicted to smoking. In fact, when you get addicted to smoking, it is very...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.6 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2788,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2788\nTitle: \"What functions can Google Glass achieve in the future and what will its price be?\"\nSummary: \"Google has opened 8,000 places (only in the United States) to pre-order Google Glasses at a price of $1,500 (RMB: 9,410 yuan)... The control and use of smart glasses will focus on voice control. Taking photos and videos at any time Taking photos and videos at any time is also a smart eye...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2789,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2789\nTitle: \"Google Glass has a new trick and will launch a shopping app - users can use Google Glass to scan products...\"\nSummary: \"Summary: Google Glass has a new trick and will launch a shopping application. Users can use Google Glass to scan product barcodes to compare prices. According to the editor of Hefei website construction http:\/\/www.055178.com, the unexpected Google Glass...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.56 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2790,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2790\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.49 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2791,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 51.27 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price How to use\"\nQuery Dwell Time: 39.79 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2791\nTitle: \"How to buy Google Glass? Google smart glasses purchase tutorial_IT digital_Information channel_Aifuqing.com\"\nSummary: \"September 3, 2014 - Google Glass can be found on eBay from many sellers around the world, with prices ranging from $800 to $5,000. And you can easily buy a Google Glass invitation code at a very low price. On eBay...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2792,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 38.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2792\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"This is higher than the price when it was first listed in Hong Kong. According to the price information on Apple's Hong Kong official website, the iPhone 6 starts at 5588 Hong Kong dollars (16GB), about 4424 yuan; the 64GB model is 6388 Hong Kong dollars, about 5057 yuan, and the 128GB model is...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.02 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2793,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price in Hong Kong\"\nQuery Dwell Time: 38.88 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2793\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 970 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.9 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2794,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Do I need to pay customs duties when buying an iPhone from Hong Kong?\"\nQuery Dwell Time: 25.58 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2794\nTitle: \"I need help with whether I need to pay customs duties when I buy an iPhone from Hong Kong and fly it back to mainland China? I am very...\"\nSummary: \"I need help from everyone. Is there any tariff if I buy an iPhone from Hong Kong and fly it back to the mainland? I would be very grateful! Thank you~~ The probability of being checked on the plane is much lower than that of flying from Shenzhen. If I buy one, it will be fine... If I buy too many, it will be no good. What is...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.16 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2795,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic operators?\"\nQuery Dwell Time: 23.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2795\nTitle: \"Can I use the iPhone 6 Plus I bought in Hong Kong in mainland China? - liuYR - 16fan\"\nSummary: \"Can I use the iPhone 6 Plus I bought in Hong Kong in mainland China? Will there be any network restrictions? Can I use the iPhone 6 Plus I bought in Hong Kong in mainland China? Will there be any network restrictions?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2796,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 162.31 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the iPhone 6 bought in Hong Kong support domestic operators?\"\nQuery Dwell Time: 23.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2796\nTitle: \"Both the mainland licensed and Hong Kong iPhone 6 support China Mobile 4G network | China Mobile | iPhone 6 | 4G_Communication...\"\nSummary: \"September 2, 2014 - The licensed iPhone 6 purchased in mainland China and the Hong Kong version purchased in Hong Kong both support China Mobile's 4G network... It is reported that the iPhone 6 is considered to be a big competition among the three major operators' 4G networks. Since the beginning of this year, my country has...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.02 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2797,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 23.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2797\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.0 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2798,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 23.92 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2798\nTitle: \"Tsinghua Swimming Pool Holiday Opening Hours and Swimming Class Arrangements \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Opening hours: (2010.7.3~2010.9.5) Morning session: 6:30~7:50 First session at noon: 12:00~13:00 (weekends and holidays: 12:00~13:30) Second session at noon: 14:00~15:30 (open on weekends and holidays) Afternoon session: 17:30......\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.81 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2799,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 33.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2799\nTitle: \"Tsinghua University Swimming Pool Discount Information_114 Life Network\"\nSummary: \"Jinhua Driving School Network (www.aixueche.com) Online Registration Center launched a series of preferential activities for driving school in March. This price is... Tsinghua University Swimming Pool preferential information, all in 114 Life Network\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 2.91 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2800,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Price\"\nQuery Dwell Time: 33.3 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2800\nTitle: \"Chenming Swimming Pool (Tsinghua University Swimming Pool) parking information, parking fee - Beijing - Dianping.com\"\nSummary: \"Tsinghua University 11 How many high school students, how many people dream of this place, I can only club, I can't come here to study but I can still come here to swim haha, the environment here is very good, the water quality is also good, especially the price is very cheap, \uffe518 per person is already...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.77 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2801,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Membership Card Application\"\nQuery Dwell Time: 28.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2801\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"600 yuan 280 yuan 150 yuan Note: The procedures for applying for a time-based card are as follows: 1. To use a student ticket or card, you must present your student ID card... Tsinghua University Swimming Pool 1. Opening hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.45 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2802,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Membership Card Application\"\nQuery Dwell Time: 28.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2802\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 8.32 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2803,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 118.7 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Membership Card Application\"\nQuery Dwell Time: 28.22 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2803\nTitle: \"How much do Haidian Swimming Pool and Tsinghua University Swimming Pool charge for membership? _Solved - Alibaba...\"\nSummary: \"(400 yuan, 40 times, valid for 2 months. I used to buy 300 yuan for 30 times and valid for 3 months, but now it is no longer available). If you don\u2019t use it too often, you can buy a 3-month season pass issued by the Haidian Swimming Pool, which is slightly more expensive than the one at Tsinghua University\u2026\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.27 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2804,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 72.93 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning aircraft carrier\"\nQuery Dwell Time: 21.29 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2804\nTitle: \"Taiwanese media: Liaoning aircraft carrier issued a warning to Taiwan's Kangding ship not to approach_Phoenix Military\"\nSummary: \"May 9, 2017 - Author: Sasha This article is originally written by Sasha. If you reprint it, please be sure to indicate [Sasha's History Lecture Hall No. 283] (Military Series No. 140) In December 2016, what did the Liaoning aircraft carrier do when it bypassed Taiwan?\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.02 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2805,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 72.93 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 37.1 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2805\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.78 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2806,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 271.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 262.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2806\nTitle: \"Recommended! Ten Icebreaker Games for Group Therapy.doc\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2807,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 271.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 262.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2807\nTitle: \"16 Super Practical Icebreaker Games - MBA Think Tank Documentation\"\nSummary: \"When the singing starts again, the game continues. 3. [Ice-breaking game] Big tree and squirrel Suitable number of people: more than 10 people Materials and venue: none Applicable to: all students Time: 5-10 minutes Operation procedure 1) Divide into groups in advance, three people in a group. Two people play the role of the big tree, facing...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 6.37 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2808,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 271.68 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game 10 people\"\nQuery Dwell Time: 262.34 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2808\nTitle: \"18 Ice-breaking Games (for warming up the audience) - Training Games - Trainer Community\"\nSummary: \"One dollar, two dollars [ice-breaking game] Suitable for: more than 10 people Venue requirements: none Game nature: ice-breaking Game time: 10 minutes Game operation: 1. According to the different ratios of male and female students, for example, if the ratio of male students is much larger than that of female students, the female students will...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 108.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2809,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2809\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.39 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2810,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2810\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing suburbs tour price Shandong Shanxi Hebei tour price Our agency is a formal registered travel agency. This tour is a pure play tour. There are no shopping attractions throughout the tour to ensure that tourists have enough time to visit. A real operating agency, independent tour, never sell tours...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.21 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2811,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2811\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2812,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2812\nTitle: \"Are there any fun places around Beijing in May? - Travel Expert - Fangtianxia Q&A\"\nSummary: \"I want Qinhuangdao in May... What are the good places around Beijing in May... Where to go to Beidaihe in May... Is there a place near Qinhuangdao... Yougu Shentan Gubei Water Town Shidu Yougu Shentan Gubei Water Town Beijing Tourist Attractions List [National AAAA Attractions] Temple of Heaven...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.77 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2813,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May (one week)\"\nQuery Dwell Time: 190.68 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2813\nTitle: \"May 2013 Beijing surrounding tours ---- Huanghua Water Great Wall pictures 15, Huairou tourist attractions, scenic spots...\"\nSummary: \"Beijing Mutianyu Great Wall \u2194 Heroic fortifications for thousands of years Mutianyu Great Wall, by Yin Xiaoyao Beijing's Great Wall series - Hefangkou... Huairou surrounding destinations recommended pictures\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.23 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2814,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 292.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2814\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 118.56 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2815,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 292.04 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2815\nTitle: \"[Ranking of tourist attractions around Beijing] 2017 Ranking of tourist attractions around Beijing - Beijing Local Treasure\"\nSummary: \"Beijing Local Treasure provides you with the ranking information of tourist attractions around Beijing, and tells you which tourist attractions around Beijing are the most fun. Home Previous page Beijing surrounding tourism guide More Beijing surrounding tourism travel notes More Beijing surrounding attractions Popular domestic tourist attractions...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 135.53 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2816,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing attractions in May\"\nQuery Dwell Time: 120.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2816\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.18 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2817,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing attractions in May\"\nQuery Dwell Time: 120.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2817\nTitle: \"Where is the best place to go in Beijing in mid-May? - Travel Q&A\"\nSummary: \"Cheap Travel in Oceania For more questions, please click here x Back to top Outbound travel is all in the Cheap Travel App The choice of millions of travelers Scan the QR code to download on IOS\/Android Related questions Where is the most fun place to go around Beijing in mid-May? It would be best if there are mountains and water, scenic spots...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 18.8 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2818,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing attractions in May\"\nQuery Dwell Time: 120.96 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2818\nTitle: \"[Travel Love] Travel routes around Beijing in early May_Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"Individual travelers and groups around Beijing: 13041013485 Wonderful spring outings in the suburbs of Beijing Individual travelers' selection --- \u2192 Special price special routes make your trip more affordable and colorful Battle of Heroes Experience Real CS One-day Tour 158 yuan\/person Mulan Paddock Saihanba Park Ulan Butong...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 31.75 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2819,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"5-day tour of cities around Beijing in May\"\nQuery Dwell Time: 56.66 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2819\nTitle: \"Where to go in May_What attractions are fun in May_Recommended recommendations for a 5-day tour in Beijing in May...\"\nSummary: \"Beijing Hang San (Pure Play) 5-Day Tour with Two-Flight Flights. Please follow the itinerary we carefully arrange for you during this 5-day trip! Our company has carefully selected the famous attractions in Beijing that you must see, and specially selected the authentic and delicious meals in Beijing, so that this trip will leave you with a beautiful...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.07 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2820,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"5-day tour of cities around Beijing in May\"\nQuery Dwell Time: 56.66 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2820\nTitle: \"Beijing 5-day tour route\"\nSummary: \"Best four-day tour route in Beijing_Beijing four-day tour guide Its own unique symbol, just like the Terracotta Warriors in Xi'an, the plane trees in Nanjing, and the Foreigner Street in Yangshuo, Beijing should also have... Travel Recommendations Popular City Travel Guide Beijing Travel Guide Shanghai Travel Guide...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 14.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2821,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2821\nTitle: \"Can I go fishing in Qinhuangdao at the end of May? - Mafengwo\"\nSummary: \"Mafengwo Q&A > Can I go to the sea in Qinhuangdao at the end of May? Can I go to the sea at the end of May? My friend is having a birthday at the end of May and wants to go to eat some seafood together. I don't know if it's cold at this time. Can I go to the sea at noon? 2555 views 0 people follow Follow Answer 1 ...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 7.91 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2822,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2822\nTitle: \"Travel to Qinhuangdao in May - Shijiazhuang to Qinhuangdao Shanhaiguan Beidaihe three-day tour [Free Biluo Pagoda...\"\nSummary: \"Hebei Baicheng International Travel Agency recommends Qinhuangdao tours for you. The three-day tour route of Qinhuangdao North and South Daihe is: visit Shanhaiguan, Sand Sculpture World, Biluo Tower Bar Park, etc., accommodation in standard rooms, all scenic spot tickets are included\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.55 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2823,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2823\nTitle: \"Where to go to Qinhuangdao for fun on May 1, 2010 - Fengniao.com\"\nSummary: \"1 I went to Qinhuangdao with my girlfriend for an afternoon or a whole day. Do you have any recommendations? For example, which places are must-go, which places are unnecessary, or not worthwhile? I searched online and found all the guides are very old. . . Shanhaiguan...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.43 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2824,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2824\nTitle: \"I plan to go to Qinhuangdao at the end of May for the Dragon Boat Festival and spend three days there! - Mafengwo\"\nSummary: \"Mafengwo Q&A > I plan to go to Qinhuangdao for three days during the Dragon Boat Festival! I hope you can recommend the best route. I want to go to Nandaihe on the first day, Beidaihe on the second day, and Shanhaiguan on the third day! How much does it cost? ! 517 views ...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.26 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2825,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Go to Qinhuangdao in May\"\nQuery Dwell Time: 149.36 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2825\nTitle: \"What are the attractions in Qinhuangdao in May? | Recommendations for a six-day panoramic train tour from Shijiazhuang to Qinhuangdao...\"\nSummary: \"Shijiazhuang to Qinhuangdao, Beidaihe, Ledao three-day tour itinerary features: Qinhuangdao boat sea sightseeing Beidaihe Olympic Avenue Park Fishing Island Ledao Ocean Park Shijiazhuang to Zhangbei, Chongli leisure two-day tour itinerary features: [Product Features] \"Tour...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 90.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2826,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to travel to Qinhuangdao in May?\"\nQuery Dwell Time: 80.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2826\nTitle: \"Qinhuangdao to Jinyintan Tourism_March-May Qinhuangdao to Jinyintan Tourism Route Quote_Tuniu\"\nSummary: \"Go to travel to find discounts Advanced search 24h customer service phone Jinyintan Change Outbound ranking Popular theme tours Visa-free\/landing... 1 day ago user *** booked Qinhuangdao-Beijing train free travel 1 day ago user ***935639 booked Qinhuangdao-Chengdu free travel...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 14.1 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2827,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 1173.78 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much does it cost to travel to Qinhuangdao in May?\"\nQuery Dwell Time: 80.94 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2827\nTitle: \"[Travel] May Qinhuangdao, Beidaihe Travel Guide! _Travel and Leisure_Tianya Forum_Tianya Community\"\nSummary: \"If it is the tourist season in June, it will be more expensive, but you can bargain, so you must pay attention to this. Living in Haining... However, there is a Tiantian Fishing Port in Hongqili, Qinhuangdao. However, the seafood hot pot is 29 yuan per person, and there is not much seafood, but...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2828,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 64.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2828\nTitle: \"Fixed Gear Bicycle_Fixed Gear Bicycle Price_Fixed Gear Bicycle Brand_Cool Fixed Gear |\"\nSummary: \"Cool Fixed Gear, the most professional fixed gear blog in China. Focusing on fixed gear bikes, sharing fixed gear bike videos and fixed gear bike riding methods with riders, we discuss fixed gear bike prices and brands, research fixed gear color matching, exchange fixed gear DIY, and work together to create the most professional fixed gear blog in China...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.37 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2829,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 64.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2829\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2830,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 64.43 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2830\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.26 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2831,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note about fixed gear bicycles\"\nQuery Dwell Time: 48.13 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2831\nTitle: \"92 Beginners learn how to use fixed gear bicycles. Tips for you | Sichuan Bicycle Supplier\"\nSummary: \"92 Tips for beginners to learn fixed gear bicycles | Sichuan bicycle supplier detailed description BSBY_f010 bicycles First brand [Germany Xinteshi, Mr. Xue, mobile phone: 13603023434] Fixed gear is now loved by more and more young people...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.13 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2832,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Things to note about fixed gear bicycles\"\nQuery Dwell Time: 48.13 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2832\nTitle: \"51 Beginners learn how to use fixed gear bicycles.\"\nSummary: \"Hongxiangli brand 51 beginner fixed gear bicycle teaches you the precautions | Sichuan bicycle supplier product: estimate: 0, specification: complete, product series number: complete\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 25.9 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2833,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed gear bike purchase\"\nQuery Dwell Time: 25.1 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2833\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear is the same type of bicycle as TrackBike, but the riding area of \u200b\u200bFixed Gear is not limited to the stadium. In Japan, there is a classic gambling track bicycle competition, called \"racing wheel\", in China...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.28 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2834,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 25.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2834\nTitle: \"Fixed Gear Bicycle Price_How Much_Pictures_Fixed Gear Bicycle Evaluation_How is it - Gome\"\nSummary: \"Gome (Gome.com.cn)'s popular searches for fixed gear bike related products provide you with prices, pictures, reviews, and recommended information on fixed gear bike related products, providing you with an accurate search and shopping reference guide for purchasing fixed gear bikes at Gome!\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.17\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2835,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 216.61 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Fixed gear bicycle price\"\nQuery Dwell Time: 25.1 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2835\nTitle: \"How much is a fixed gear bike suitable for a beginner?\"\nSummary: \"For all kinds of fixed gear matching problems, please add the fixed gear player master WeChat: kusifei Welcome all new friends who love fixed gear to add, enjoy one-to-one service, all kinds of fixed gear problems can be solved for you! ! ! Retro fixed gear is the most popular one of GOBIKE in 2014...\"\nRank: 8\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.87 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2836,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 283.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight checked baggage volume and weight restrictions\"\nQuery Dwell Time: 77.02 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2836\nTitle: \"2017 Airline Checked Baggage Weight Regulations - Air Ticket Information - Passenger Terminal\"\nSummary: \"Carry-on items that exceed the above weight, number of pieces or volume limits should be checked in as checked baggage. The baggage weight regulations for international flights vary from airline to airline. Free baggage allowance for each passenger (including checked and self-carried baggage): Domestic flights...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 55.35 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2837,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 283.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much liquid can be put in carry-on luggage on international flights?\"\nQuery Dwell Time: 80.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2837\nTitle: \"How many pieces and weight of carry-on luggage can I take on international flights?\"\nSummary: \"Liquids, aerosols and gels Due to safety reasons, there are strict limits on the amount of liquids, aerosols and gels that can be carried in hand luggage on international flights. LAG items, such as drinks, creams, perfumes, sprays, gels and toothpaste, must be...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 51.7 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2838,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 283.25 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"What do you need to carry on an international flight?\"\nQuery Dwell Time: 51.56 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2838\nTitle: \"What items can't you bring on a plane? - Yue Travel\"\nSummary: \"And knives cannot be checked in. They must be checked in. Liquids on domestic flights need to be checked in. Harbin 1. When taking a plane, small pieces of luggage can be... Civil Aviation stipulates that passengers holding first-class tickets can carry two pieces of hand luggage each, and economy and business class passengers can...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 28.86 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2839,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2839\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.1 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2840,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2840\nTitle: \"See the benefits of quitting smoking at different time periods\"\nSummary: \"1. Heart rate starts to return to normal 20 minutes after quitting smoking The health benefits of quitting smoking will be immediately apparent. 20 minutes after you smoked your last cigarette, your heart rate will gradually return to normal levels. 2. Peripheral circulation improves two hours after quitting smoking ...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.46 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2841,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2841\nTitle: \"What are the benefits of quitting smoking_Detailed explanation of the benefits of quitting smoking to the body!\"\nSummary: \"So when you experience the benefits of quitting smoking, others will also feel it. If you smoke, there are certain methods you can take to quit smoking. Some people may think that there is no treatment for quitting smoking. Disclaimer: Meilele Home Furnishing...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 35.42 ms on the document.\nDocument's click-through rate (CTR) is 0.18\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2842,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 106.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2842\nTitle: \"Benefits of quitting smoking\"\nSummary: \"The immediate benefits of quitting smoking 1. Improved taste After quitting smoking, the sensory nerves on the tongue regain their original sensitivity, allowing you to fully taste the flavors of various foods. 2. Elimination of bad breath When smokers talk to others, they often emit a disgusting smell from their mouths...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.58 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2843,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2843\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 36.67 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2844,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2844\nTitle: \"Adverse reactions to sudden smoking cessation - Xiaobaixing Health Network\"\nSummary: \"The body's ability to absorb food improves after quitting smoking. Almost all smokers have a better appetite after quitting. Headaches and dizziness. The headache can last for a day and may recur a week later. The cause is unknown. Coughing or spitting black phlegm. After years of smoking, the lungs...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.1 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2845,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 123.6 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2845\nTitle: \"Side effects of quitting smoking_What are the side effects of quitting smoking_Smoking cessation reactions_\"\nSummary: \"Can the \"Purchase Restriction Order\" reduce housing prices? ---- A brief discussion on China's housing prices and regulatory measures It is an indisputable fact that China's housing prices are high, so high that ordinary people cannot afford them. In order to curb high housing prices, the government has introduced regulatory policies one after another, but the effect is minimal. ...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 12.66 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2846,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"The dangers of quitting smoking\"\nQuery Dwell Time: 43.76 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2846\nTitle: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health...\"\nSummary: \"[Harm of quitting smoking] How can I quit smoking effectively? \/ My father has been smoking for many years, which is very harmful to his health. I beg for a good way to quit smoking! It should be easy to operate. Put more food that your father likes on your body, such as candy.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.34 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2847,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2847\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.48 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2848,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Electronic cigarettes\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2848\nTitle: \"Interesting ways to quit smoking\"\nSummary: \"Seven ways to quit smoking during the first five days of the most difficult period (1) Drink 6-1.8 cups of water between meals to help excrete nicotine from the body. (2) Take a warm bath every day, and...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 40.24 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2849,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2849\nTitle: \"How to Quit Smoking Fast\"\nSummary: \"Here are five ways to quit smoking quickly: Day 1: Preparation It is important that you are mentally prepared and decide (note that this is very important and the key to success) to quit smoking. Try not to stay with those who are still smoking on that day. Day 1: Preparation It is important that you are mentally prepared and decide (note that this is very important and the key to success) to quit smoking. Try not to stay with those who are still smoking on that day.\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.7 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2850,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2850\nTitle: \"How to quit smoking - Alibaba Column\"\nSummary: \"Men always like to distribute cigarettes to people around them when they smoke, which is also a way of socializing. In order to make our leader quit smoking, his wife confiscated all his Zhonghua and Furongwang cigarettes and bought him a few Daqianmen. The leader is always ashamed to...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 5.98 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2851,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2851\nTitle: \"How to quit smoking (1) - 3721 Health Knowledge Network\"\nSummary: \"Traditional Chinese medicine has a good effect in quitting smoking. A healthy and harmonious life requires quitting smoking. What to do if quitting smoking is difficult? Seven ways to quit smoking. The most effective ways to quit smoking. The harm of smoking after meals is 10 times greater than usual. Avoid the three dangerous traps of quitting smoking and relapse. Help...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.58 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2852,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 508.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ways to quit smoking\"\nQuery Dwell Time: 185.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2852\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The Quit Smoking Network provides smokers with the best methods to quit smoking, smoking cessation products, and the benefits of quitting smoking. It teaches everyone how to quit smoking, how to quit smoking, and how to quit smoking most effectively. Let us quit smoking together on the Quit Smoking Network!\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 8.35 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2853,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 171.51 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 71.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2853\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 59.76 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2854,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 171.51 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass Price\"\nQuery Dwell Time: 34.61 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2854\nTitle: \"What is the price of Google Glass?\"\nSummary: \"Google Glass is quite expensive. It has the same functions as a smartphone, and can control taking photos, video calls, and directions through voice, as well as surfing the Internet, processing text messages and emails, etc. It is also called a wearable computer, but in the big...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 13.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2855,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 171.51 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 21.72 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2855\nTitle: \"Ask experienced people how to use Google Glass? _Home life decoration | YiQi Net decoration\"\nSummary: \"If you use Google Glass, first stick the drawing on the cardboard, then cut it out with a utility knife. Fix the lens. Fix the Velcro. Fix the magnet. Download the 3D movie in left and right format directly on your phone, and you can watch the 3D movie.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.49 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2856,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2856\nTitle: \"Hong Kong version iPhone 6 price\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone price iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 21.07 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2857,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2857\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it, and wait until the supply is relatively stable [View Details] There are fewer and fewer reasons to jailbreak iOS 8 official version experience 2014-09-18 After a long time...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 53.57 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2858,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2858\nTitle: \"\u3010iPhone6 \u200b\u200bPrice\u3011How much is iPhone6|Parameters_iPhone6 \u200b\u200bPictures|Reviews_Apple iPhone...\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it. I waited until the supply was relatively stable and bought the iPhone 6 (64GB space gray) last Saturday (October 25 at 10 pm), but using it...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 10.99 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2859,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 price\"\nQuery Dwell Time: 139.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2859\nTitle: \"...6 series mobile phone] quotation_(Apple) Apple iPhone6 \u200b\u200bseries mobile phone collection_price picture...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.28 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2860,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2860\nTitle: \"How much does it cost to buy an iPhone 6 in Hong Kong?\"\nSummary: \"Question: How much does it cost to buy an iPhone 6 in Inspiration Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does our melody cost to buy an iPhone 6 in Hong Kong? How much does an iPhone 6 cost in Hong Kong? How much does an iPhone 6 cost in Hong Kong? Three versions of iPhone 6...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 30.35 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2861,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2861\nTitle: \"Where can I buy iPhone 6 in Hong Kong with the best price\/performance ratio? Besides Apple stores - Mafengwo\"\nSummary: \"Mafengwo Q&A > Where can I buy iPhone 6 in Hong Kong with a better price\/performance ratio? In addition to the Apple store, I want to know about the purchase of iPhone 6 in July~ 8527 views 0 people follow Follow Answer 10 answers [The questioner accepts] It is not convenient for you to go to those three...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2862,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2862\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.05 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2863,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 126.78 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2863\nTitle: \"About buying iPhone 6 in Hong Kong - Transaction\/Card Number - 16fan\"\nSummary: \"2015.2.1 I went to Hong Kong and wanted to buy an iPhone 6. Can I buy it without making an appointment? Please answer me if you know~~ Questions about buying an iPhone 6 in Hong Kong, 16fan\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2864,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone price in hong kong\"\nQuery Dwell Time: 141.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2864\nTitle: \"[Apple iPhone 6 full network Beijing price] Beijing Apple iPhone 6 full network latest price_...\"\nSummary: \"Beijing Apple iPhone6 \u200b\u200b(all network) quotation ZOL Zhongguancun Online Beijing Apple iPhone6 \u200b\u200ball network latest quotation provides Beijing Apple iPhone6 \u200b\u200ball network mobile phone dealers the lowest quotation, so that you can timely understand Beijing Apple iPhone6 \u200b\u200ball network bottom...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.68 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2865,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong purchase\"\nQuery Dwell Time: 141.66 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2865\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 98.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2866,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Do I have to pay tax when buying an iPhone in Hong Kong?\"\nQuery Dwell Time: 112.77 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2866\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - If you have a friend in Hong Kong, he will buy something for you and bring it back to China without paying taxes. If you are looking for a purchasing agent, then taxes may be charged. You may or may not have to pay taxes when the courier brings it back. Let's take a look at...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 89.83 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2867,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 36.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2867\nTitle: \"Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website all support...\"\nSummary: \"Zhongguancun Online Client Does the Hong Kong version of iPhone 7 support China Telecom? I saw that the three major domestic operators on the Hong Kong official website support it. Views Followers You can invite high-quality answerers to answer faster...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 7.58 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2868,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 621.98 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 36.27 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2868\nTitle: \"Can the Hong Kong version of iPhone 6 be used on domestic networks without root? - ZOL Q&A Forum\"\nSummary: \"Can the Hong Kong version of iPhone 6 be used on the domestic network without root? Answers Views Today I saw news that the Hong Kong Apple official website is open... The Hong Kong version is the A1586 for all networks, and can be used by all three operators. Cancel Comment Swansan No jailbreak is required to use the full...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.38 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2869,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 88.02 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2869\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 Evening (...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 6.92 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2870,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 88.02 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2870\nTitle: \"Tsinghua Swimming Pool Opening Hours in 2015 - Alibaba Industry Q&A\"\nSummary: \"Welcome to Alibaba.com. No products have been added to the purchase order. Featured Market. Procurement Platform. Common Tools. Solved Problems. Question Time: The opening hours of Tsinghua Swimming Pool in 2015. Views: 2462. Best Answer: 12 Opening hours: 00 Summer...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.27 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2871,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Opening Hours\"\nQuery Dwell Time: 88.02 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2871\nTitle: \"Opening hours of the National People's Congress Swimming Pool or Tsinghua Swimming Pool during the Dragon Boat Festival\"\nSummary: \"Login Register Download Douban Client Douban Our Spiritual Corner Scan the QR code to download iPhone \u00b7 Android Douban 5.0 New Release * Douban Books Movies Music Local Groups Reading FM Time Things Market More Douban Photography Douban Mini...\"\nRank: 16\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.46 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2872,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming\"\nQuery Dwell Time: 80.27 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2872\nTitle: \"Chen Ming Swimming Pool: Chen Ming Swimming Pool of Tsinghua University is located in the East China University of Political Science and Law... Beijing Sports and Fitness - Public...\"\nSummary: \"Apple-flavored soda Tsinghua University's Chen Ming Swimming Pool is located north of the East University playground and east of the East District Bathroom. It is open every day at noon and evening, and the opening hours on weekends are slightly different. One session is one hour, and you can take a hot bath until 10:30 in the evening. At noon...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.0 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2873,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 500.6 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua Chen Ming Swimming Pool\"\nQuery Dwell Time: 260.0 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2873\nTitle: \"All reviews of Chen Ming Swimming Pool (Tsinghua University Swimming Pool) - Beijing - Dianping.com\"\nSummary: \"Water quality 3 (very good) Environment 3 (very good) Value for money 3 (very good) I feel that Tsinghua's swimming pool is very cost-effective, because the company has benefits, and it only costs 10 yuan to swim once. It is not expensive for off-campus personnel, only 25 yuan. The water quality is relatively good, and it is said that ozone...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 216.16 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2874,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 723.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 202.15 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2874\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 182.46 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2875,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 723.94 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 52.96 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2875\nTitle: \"The strategic and tactical uses of the Liaoning. - Naval Forum - Tiexue Community\"\nSummary: \"The hottest topic this year is the Liaoning. There are now a lot of people praising and criticizing the Liaoning online. Regardless of their motives, the fact is that China has an aircraft carrier. Now let's talk about it from the perspective of strategy and campaign...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 37.99 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2876,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 267.82 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game Company\"\nQuery Dwell Time: 257.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2876\nTitle: \"Team Building Ice Breaking Games\"\nSummary: \"Find the target (do not use the student's name or company name) Name string game group members sit in a circle and nominate one person at random... Hunter hunting rabbit Game type: ice-breaking game Suitable for number of people: unlimited Game props: none Game steps: 1. Please extend your right...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 3.65 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2877,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 267.82 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Ice Breaker Game Company\"\nQuery Dwell Time: 257.4 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2877\nTitle: \"Company training courses, ice-breaking games_ice-breaking games_party games\"\nSummary: \"Painter [Ice Breaker Game] Props: Each group (5-6 people) a large white paper (not too thin), two oil-based pens Step 1, each... Especially among colleagues in the same department or the same company, the effect is better. \uf06c Be careful not to let...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.52 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2878,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 250.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing Surroundings Tourism\"\nQuery Dwell Time: 117.05 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2878\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 37.34 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2879,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 250.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding areas travel Mafengwo\"\nQuery Dwell Time: 80.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2879\nTitle: \"Recommended tourist attractions around Beijing and its suburbs - Mafengwo\"\nSummary: \"Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo, more of the latest travel notes Beijing's surrounding and suburban tourist attractions recommended travel notes to Mafengwo\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 33.84 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2880,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 250.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Beijing surrounding areas travel Mafengwo\"\nQuery Dwell Time: 80.69 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2880\nTitle: \"[Beijing Surrounding Tours] Recommended Tour Routes in Beijing Surrounding Tours - Mafengwo\"\nSummary: \"Recommended tour routes around Beijing, providing guidance on tour routes around Beijing, including one-day tours, two-day tours, three-day tours and other itinerary arrangements for tours around Beijing. The best quality plans for tours, outings and weekend vacations around Beijing.\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 36.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2881,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 140.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2881\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 16.62 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2882,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Tsinghua University\"\nQuery Dwell Time: 140.43 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2882\nTitle: \"[Tsinghua University Merchants Second-hand Venue\/Fixed Gear | Tsinghua University Second-hand Venue\/Fixed Gear Quote] - Beijing 58...\"\nSummary: \"Tsinghua University Second-hand Vents\/Fixed Gear Market provides you with a large amount of Tsinghua University Second-hand Vents\/Fixed Gear transfer, purchase, price, and picture information. Here you can query and publish Tsinghua University Second-hand Vents\/Fixed Gear information for free. To buy and sell second-hand Vents\/Fixed Gear, please go to...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.56 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2883,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle Wudaokou\"\nQuery Dwell Time: 27.91 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2883\nTitle: \"Wudaokou second-hand ordinary bicycle transfer | Wudaokou second-hand ordinary bicycle quotation] - Beijing 58.com\"\nSummary: \"Close the store to clear the inventory and transfer brand new mountain bikes [13 pictures] Factory direct sales Quality guaranteed Free trial ride 285 yuan to start transfer and processing Buy a bike and get accessories Haidian - Wudaokou \/ 23 hours \/ ordinary merchants 285 yuan The biggest price reduction The price has been reduced, come to the bowl and buy a fixed gear bike...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.83 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2884,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 87.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2884\nTitle: \"Fixed Gear Bike Encyclopedia\"\nSummary: \"Fixed Gear Bicycle Encyclopedia - Fixed Gear Bicycle Culture Introduction and Exchange\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.79 ms on the document.\nDocument's click-through rate (CTR) is 0.27\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2885,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 291.07 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Fixed Gear Bicycle\"\nQuery Dwell Time: 87.98 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2885\nTitle: \"Fixed Gear Bicycle Price_Fixed Gear Bicycle Latest Price_Fixed Gear Bicycle Price-Suning.com\"\nSummary: \"Suning.com's Fixed Gear Bicycle channel provides you with information on fixed gear bicycle prices, latest fixed gear bicycle quotes, how much fixed gear bicycles cost, fixed gear bicycle parameters, and other product information. To learn more about fixed gear bicycle shopping guides, visit Suning.com...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 64.3 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2886,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2886\nTitle: \"American Airlines Baggage Rules 2016\"\nSummary: \"Each airline has different limits on the total weight of luggage that an individual can carry. If the weight limit is exceeded, it must be checked in at the airport. On August 14, according to Reuters, Uber was sued by 15 taxi companies in Connecticut, USA...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 5.09 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2887,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2887\nTitle: \"Baggage regulations and precautions of American airlines | Preparation before traveling to the United States\u2014\u2014Elite Tutoring Network\u2014\u2014\"\nSummary: \"In addition to complying with American Airlines' charges, luggage that transfers to other airlines must also comply with the excess fees and\/or oversized and overweight baggage charges of the relevant airlines. For example: If you check in luggage when departing from Beijing Capital International Airport...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.39 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2888,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2888\nTitle: \"Checked Baggage Policy - Baggage - American Airlines\"\nSummary: \"What else can you bring? You can also check: Restricted items Certain items are only allowed in checked or carry-on baggage. Find out how to pack and bring restricted items. You may also like\u2026 American Airlines Overview\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 15.53 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2889,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2889\nTitle: \"American Airlines Flights, Baggage Check-in and Storage - Travel Q&A\"\nSummary: \"I would like to ask you experts for help, as I was not clear about American Airlines' baggage regulations when I booked the ticket, and later I found out that there are charges. I will take American Airlines AA25 from Salt Lake City to Los Angeles on August 31, and then take CA98 from Los Angeles to Beijing, and then to Shenyang. This...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 152.08 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2890,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2890\nTitle: \"American Airlines baggage check-in problem, as shown in the screenshot below - Mafengwo\"\nSummary: \"The American Airlines flight from EWR to SAN is shown in the picture below. Do I need to buy checked baggage? If so, do I buy it on site or when I pay for the ticket online? I don't see where I can buy it when I choose the ticket. And this...\"\nRank: 11\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.4 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2891,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 284.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"American Airlines Baggage\"\nQuery Dwell Time: 270.52 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2891\nTitle: \"American Airlines Baggage Regulations and Notes\"\nSummary: \"American Airlines' baggage regulations and related precautions. Baggage size, weight and quantity For passengers flying to the United States, each economy class passenger is usually allowed to carry two pieces of checked baggage for free (each piece of...\"\nRank: 15\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.91 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2892,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 230.41 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Quitting smoking\"\nQuery Dwell Time: 224.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2892\nTitle: \"China Quit Smoking Network - Let's quit smoking together on World No Tobacco Day\"\nSummary: \"China Quit Smoking Network provides smokers with methods and products to quit smoking, and teaches everyone how to quit smoking. Let's quit smoking together on Quit Smoking Day.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 124.6 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2893,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2893\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.55 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2894,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2894\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 15.86 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2895,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2895\nTitle: \"What are the functions of Google Glass_Glass Information_LOHO Glasses Life\"\nSummary: \"What are the functions of Google Glass? LOHO Glasses Senior Optometrist reminds you: Google Glass (Google Project Glass) is a \"expanded reality\" glasses released by Google in April 2012. It has the same functions as a smartphone...\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 3.89 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2896,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2896\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.55 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2897,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 96.83 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 88.55 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2897\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.71 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2898,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iPhone 6 Hong Kong version\"\nQuery Dwell Time: 28.09 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2898\nTitle: \"Hong Kong version iPhone 6\"\nSummary: \"iPhone6 \u200b\u200bseries mobile phone quotation iPhone8 Plus series iPhone7 Plus series iPhone6s series iPhone6s Plus series iPhoneSE series iPhone6Plus series iPhone5s series Snapdragon 820 (flagship CPU) 2000mAh-2999...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 11.84 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2899,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 171.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2899\nTitle: \"Do I need to pay tax if I buy iPhone 6 in Hong Kong? How to buy it? _iPhone Question_Dianwanbus iPhone\"\nSummary: \"April 23, 2015 - If you have a friend in Hong Kong, he will buy something for you and bring it back to China without paying taxes. If you are looking for a purchasing agent, then taxes may be charged. You may or may not have to pay taxes when the courier brings it back. Let's take a look at...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.44 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2900,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 171.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2900\nTitle: \"iPhone6 \u200b\u200bHong Kong official website booking guide, how to book iPhone6 \u200b\u200bon Hong Kong official website - Xiao Ni Dou - ...\"\nSummary: \"There are two ways to reserve an iPhone on Apple's official website: one is to submit an application online, and after being selected by lottery, go to the Hong Kong Apple Store to pick up the product and pay in cash (UnionPay payment is supported); the other is to reserve online and pay with an international credit card first...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 6.61 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2901,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bhong kong\"\nQuery Dwell Time: 171.17 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2901\nTitle: \"Where can I buy iPhone 6 in Hong Kong? How to get there? _Hong Kong and Macau_Kang Hui Group Buying - Shenzhen Kang Hui Travel Agency\"\nSummary: \"With the iPhone 6 being launched in Hong Kong, China, many Apple fans have already been waiting at the official Apple flagship stores in Hong Kong. Where can iPhone 6 be bought in Hong Kong? How to get there? Let's take a look. 1) IFC Store Address: IFC...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 86.85 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2902,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6\"\nQuery Dwell Time: 23.82 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2902\nTitle: \"iPhone- Apple\"\nSummary: \"Explore iPhone, the world's most powerful personal device. Check out iPhone X, iPhone 8, and iPhone 8 Plus.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.63 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2903,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice\"\nQuery Dwell Time: 59.48 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2903\nTitle: \"Apple iPhone 6 price_parameters_pictures_download_which one is better_how is it - Pcpop\"\nSummary: \"After the release of iPhone 6, due to the high price of overseas versions, I planned to wait until the domestic market to buy it, and wait until the supply is relatively stable [View Details] There are fewer and fewer reasons to jailbreak iOS 8 official version experience 2014-09-18 After a long time...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 44.54 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2904,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice 2017\"\nQuery Dwell Time: 91.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2904\nTitle: \"What is the approximate price of iPhone 6 in 2017? - ZOL Q&A\"\nSummary: \"A must-have for digital enthusiasts Zhongguancun Online Client What is the approximate price of iPhone 6 in 2017? Answers Views What is the approximate price of iPhone 6 in 2017? [Image] Answers Views 5 answers Kakakarmen...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.78 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2905,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice 2017\"\nQuery Dwell Time: 91.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2905\nTitle: \"[Apple iPhone 6 Review\u00b7Market Information] Apple iPhone 6 Series Mobile Phone Review\u00b7Market Information - ZOL\"\nSummary: \"November 16, 2017 - Zhongguancun Online News: On June 12, 2017, the iPhone 6 (licensed) was hot-selling on Tmall Mall, priced at 2,488 yuan. The accessories of this phone include battery (built-in), charger, data cable, manual, warranty... [Details...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 5.12 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2906,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 503.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"iphone6 \u200b\u200bprice 2017\"\nQuery Dwell Time: 91.12 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2906\nTitle: \"[Apple iPhone6A1589 16GB Mobile Edition 4G (Gold) Price] How is it? Price...\"\nSummary: \"A1589 vs. other products, which one is better? Apple iPhone 6 A1589 16GB Mobile Edition 4G (Gold) \uffe52349 Instructions for use The above data comes from the Internet, and may differ from the actual parameters and prices of the products. Electronic products are more...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 64.02 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2907,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 140.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool\"\nQuery Dwell Time: 60.88 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2907\nTitle: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] \u2013 [Share with Everyone - Renren.com]\"\nSummary: \"Tsinghua University Swimming Pool Opening Hours and Fees [zz] 1. Opening Hours Monday to Friday 12:00-13:00 Saturday and Sunday 12:00-13:30 Saturday and Sunday 14:00-15:30 Monday to Friday 17:30-18:30 Saturday and Sunday 17:00-18:30 ...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 43.18 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2908,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 140.4 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Swimming Pool Location\"\nQuery Dwell Time: 30.08 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2908\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 24.35 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2909,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 70.2 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning\"\nQuery Dwell Time: 58.21 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2909\nTitle: \"China's Liaoning aircraft carrier\"\nSummary: \"In the report of the commissioning ceremony of the \"Liaoning\" aircraft carrier on September 25, we can clearly see the tire marks on the runway on the aircraft carrier deck, which indicates that takeoff and landing tests seemed to have been carried out during the sea trial. However, the brake marks were located between the arresting devices...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.59 ms on the document.\nDocument's click-through rate (CTR) is 0.19\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2910,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2910\nTitle: \"Nine ice-breaking games for new employee training.doc\"\nSummary: \"New employee training must have nine ice -breaking games. DOC, sent the orangutan stroke, the chrome dangerous tour and the cancer meteorite, and the bite Lang Qingyue.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.36 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2911,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2911\nTitle: \"Mysterious character in ice-breaking game for new employees during training_Training games_Interactive games\"\nSummary: \"The main purpose of the Mysterious Person game is to encourage new joiners or old and new employees to get to know each other and integrate quickly. Applicable people: new employee training or new and old employee gatherings Game location: classroom, conference room, etc. Game...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.99 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2912,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2912\nTitle: \"Ice-breaking game for new employee orientation training - Sanmao Q&A\"\nSummary: \"Regarding the practical ice-breaking games suitable for new employee induction training, the time is about 10 minutes, and the more games the better. Please help, beautiful and handsome teachers, thank you\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.9 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2913,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2913\nTitle: \"Team Icebreaker Games for Employee Training\"\nSummary: \"Team icebreaker games suitable for employee training, related information about team icebreaker games suitable for employee training, 2. What role do you play in this game? Is it consistent with the role you play in your daily work? 3. In this...\"\nRank: 8\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.96 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2914,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2914\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.45 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2915,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 210.5 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker Games for New Employee Training\"\nQuery Dwell Time: 193.73 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2915\nTitle: \"[Nine ice-breaking games necessary for new employee training.doc\"\nSummary: \"[Nine ice-breaking games for new employee training.doc, Nine ice-breaking games for new employee training--Mingyang Tianxia expansion training game 1: Winning customers Form: No limit on the number of people Type: Team building Time: The instructor can determine it by himself Materials: (for instructors) Small...\"\nRank: 9\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.09 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2916,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2916\nTitle: \"Where to go in Beijing in May? Where to go in Beijing in May? _Travel Q&A_...\"\nSummary: \"I want to go out and have some fun recently. Can anyone tell me where to go in Beijing in May? Where are the fun places to visit in Beijing's surrounding areas in May? Asked by: Da Guozi\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.81 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2917,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2917\nTitle: \"Where to go in Beijing in May, recommended places to visit near Beijing in May - Mafengwo\"\nSummary: \"For a cool trip in May, you can go to the area around Beijing. The mountain flowers in the suburbs of Beijing are in full bloom, the road is shaded by trees, the water is clear and the sky is blue, and the air is fresh and cool. Let's go and have a look together during the weekend~ Where to go in Beijing in May? Huangyukou Scenic Area Huangyukou Scenic Area is located in the north of Miyun...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 80.6 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2918,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2918\nTitle: \"[What are the fun places to visit around Beijing in May] A two-day tour of the wetland grassland Wuhua Meadow...\"\nSummary: \"Beijing suburbs tour price Shandong Shanxi Hebei tour price Our agency is a formal registered travel agency. This tour is a pure play tour. There are no shopping attractions throughout the tour to ensure that tourists have enough time to visit. A real operating agency, independent tour, never sell tours...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 27.9 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2919,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2919\nTitle: \"Where to travel in May near Beijing Page 5 - Yue Travel\"\nSummary: \"Will it affect your trip to Xiamen if it rains in May? Hello, even if it rains in Xiamen in May, it will be thunderstorms and will pass quickly. You just need to prepare rain gear, which can block the sun and prevent rain. Thank you and please accept my answer! The weather in Xiamen is relatively good. If it is just thunderstorms...\"\nRank: 7\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 60.41 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2920,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tourist attractions around Beijing in May\"\nQuery Dwell Time: 264.05 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2920\nTitle: \"Related posts on where to travel to cities around Beijing in May - Backpack Rabbit makes it easier to make itineraries\"\nSummary: \"Colleagues and I are going on a self-driving tour. It can't be too far. Cities around Beijing are preferred. And it must be a unique and fun place. I've been to Beidaihe and Qinhuangdao, so I won't consider them. Are there any other fun places? Please recommend them. Thank you.\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.32 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2921,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 154.1 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2921\nTitle: \"Fun places around Beijing [nearby tourist attractions\/farmhouses\/surrounding tours]_Beijing surrounding...\"\nSummary: \"Search for fun places around Beijing, including Beijing tourist attractions, farmhouses, hot springs... Then to tourist attractions near Beijing, rural tours and everything related to Beijing's surrounding tours. Where is fun in Beijing, what fun places are there in Beijing, and travel around Beijing...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.64 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2922,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 154.1 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2922\nTitle: \"2017 Beijing Surrounding Tourist Attractions List_Beijing Suburban Attractions Recommendations\"\nSummary: \"2017 Beijing surrounding tourist attractions list_Beijing suburban attractions recommendation, we can arrange travel routes for the requirements of corporate teams, according to the customer's car standards, accommodation standards, dining standards, special needs (hot springs, expansion, red, picking...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.21 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2923,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Attractions around Beijing\"\nQuery Dwell Time: 154.1 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2923\nTitle: \"Overview of tourist attractions around Beijing\"\nSummary: \"Beijing scenic spots and surrounding tourist attractions traffic map Shanghai surrounding free tourist attractions Beijing tourist attractions (24) Beijing tourist attractions (11) Beijing tourist attractions (15) Moxibustion Yintang kills all expensive cosmetics Opium pickles that are addictive once eaten China...\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2924,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2924\nTitle: \"What are the main attractions in Beidaihe? _Beidaihe Attractions Introduction\"\nSummary: \"Introduction to Beidaihe attractions: Beidaihe is 15 kilometers southwest of Qinhuangdao City, Hebei Province. It starts from Daihekou in the west and ends at Yingjiaoshi in the east. It is a natural beach. Beidaihe has beautiful scenery, with verdant mountains and the vast sea, exquisite villas and...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.33 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2925,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2925\nTitle: \"Beidaihe Tourist Attractions Introduction\"\nSummary: \"Beidaihe Seaside Scenic Resort is one of the 44 key scenic spots in China. It has the Dove Nest Park in the east, the Lianfeng Mountain Park in the west, and the Eagle Point Pavilion in the northeast corner, which is the best place to watch the sunrise over the sea. It is a famous tourist attraction in Qinhuangdao, with a natural environment...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2926,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2926\nTitle: \"Beidaihe Tourist Attractions\"\nSummary: \"[Details] Beidaihe Popular Attractions: Jifa Ecological Agriculture Sightseeing Park Jifa Ecological Agriculture Sightseeing Park, located in the beautiful summer resort Beidaihe, 500 meters away from the Beidaihe access line of Beijing-Shenyang Expressway, covers an area of \u200b\u200b990 acres and has invested 22 million yuan . go sightseeing...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 10.78 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2927,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions\"\nQuery Dwell Time: 82.48 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2927\nTitle: \"Fun places in Beidaihe, where to have fun in Beidaihe, recommended attractions in Beidaihe - Mafengwo\"\nSummary: \"Before introducing Beidaihe attractions, let's take a look at when is the best time to travel to Beidaihe. You will have different experiences in Beidaihe throughout the year. The peak tourist season in Beidaihe is from the end of June to the end of August every year. At this time, you can go swimming in the sea; watch...\"\nRank: 7\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2928,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Attractions Ticket Prices\"\nQuery Dwell Time: 42.14 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2928\nTitle: \"2017 Qinhuangdao Beidaihe Attractions Ticket Price List (Latest)\"\nSummary: \"0335-7189559 2017 Qinhuangdao Beidaihe Tourist Attractions Ticket Prices (Qinhuangdao Huaxia International Travel Professional Travel Consultants will provide you with real-time attention and timely updates...) The following prices are for reference only. If there are any changes, please refer to the scenic spot announcement for consultation! Huaxia International Travel is...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 20.48 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2929,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2929\nTitle: \"Beidaihe Tourism_Beidaihe Hotel_Beidaihe Guesthouse_Beidaihe Villa_Dongdaihe Hotel_Dongdaihe...\"\nSummary: \"Beidaihe Tourism Online provides Beidaihe tourism, Beidaihe hotels, Beidaihe guesthouses, Beidaihe villas, Beidaihe family hotels, Dongdaihe hotels and family hotels information consulting services; and undertakes Beidaihe tourism, Beidaihe hotels, Beidaihe...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 56.24 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2930,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2930\nTitle: \"Beidaihe Hotel_Beidaihe Hotel_Beidaihe Accommodation Group Purchase_Beidaihe Hotel Reservation_Beidaihe Hotel...\"\nSummary: \"Beidaihe accommodation group purchase first choice Beidaihe Hotel Accommodation Network, professionally provides Beidaihe hotel reservations and Beidaihe hotel group purchase consultation, collects and organizes Beidaihe hotels, Beidaihe hotels, Beidaihe villas, Beidaihe farmhouses and other Beidaihe seaside accommodation prices,...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.18 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2931,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2931\nTitle: \"Beidaihe [Beidaihe Tourism] Beidaihe Liuzhuang Family Hotel Tourism Accommodation Reservation Network\"\nSummary: \"Beidaihe Liuzhuang Family Hotel Reservation Network selects Beidaihe Liuzhuang Family Hotel, with clean and tidy rooms, superior geographical location and reasonable room prices. Please feel free to choose. Each hotel has contact information, please contact the hotel directly.\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 17.77 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2932,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Beidaihe Hotels\"\nQuery Dwell Time: 152.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2932\nTitle: \"Beidaihe Accommodation Booking Network_Beidaihe Linhai Accommodation_Beidaihe Accommodation Group Purchase_Beidaihe Hotel Reservation_...\"\nSummary: \"Beidaihe Tourism Accommodation Network is the main website of Beidaihe Booking Network, specializing in Beidaihe accommodation group purchase and Beidaihe hotel reservation, recommending Beidaihe sanatorium, Beidaihe hotel, Beidaihe villa and other Beidaihe seaside accommodation, authoritatively publishing Beidaihe tourism accommodation...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.71 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2933,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"From Beijing to Beidaihe\"\nQuery Dwell Time: 61.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2933\nTitle: \"[Beijing to Beidaihe train timetable_Beijing to Beidaihe train timetable] - Railway Friends Network\"\nSummary: \"Ctrip.com provides you with the latest Beijing to Beidaihe train timetable, Beijing to Beidaihe train timetable and other comprehensive Beijing to Beidaihe train information, allowing you to travel more easily!\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 19.8 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2934,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"From Beijing to Beidaihe\"\nQuery Dwell Time: 61.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2934\nTitle: \"Travel from Beijing to Beidaihe\"\nSummary: \"Self-driving tour from Beijing to Beidaihe. From Wangjing, go straight to the (East) Fourth Ring Road and get on the Beijing-Shenyang Expressway, or go east from Huawei Bridge on the southeast Third Ring Road of Beijing and get on the Beijing-Shenyang Expressway. Get off the highway at Beidaihe exit, a total of 2.5-3 hours, round-trip toll 250 yuan, round-trip...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.37 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2935,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 952.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"From Beijing to Beidaihe\"\nQuery Dwell Time: 61.17 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2935\nTitle: \"How to get from Beijing to Beidaihe, Transportation Guide from Beijing to Beidaihe - Mafengwo\"\nSummary: \"Beidaihe has always been famous for its famous seaside resort. It is also the closest sea to Beijing. So how to get to Beidaihe from Beijing? Self-driving, high-speed rail, train, which mode of transportation is more convenient? Go directly from Wangjing to the (East) Fourth Ring Road...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 9.13 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2936,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 137.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2936\nTitle: \"[Feige Bicycle Tsinghua West Store] Feige Bicycle Tsinghua West Store Phone Number, Feige Bicycle Tsinghua...\"\nSummary: \"Address: Beijing Haidian District Phone No, I will add Category: Shops Transportation Guide Feige Bicycle Tsinghua West Gate Bus Station Nearby: Yuanmingyuan East Road, Yuanmingyuan South Gate, Yuanmingyuan South Gate, Tsinghua University West Gate, Yuanmingyuan Station, Zhongguanyuan...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.75 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2937,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 137.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2937\nTitle: \"200 meters north of the west gate of Tsinghua University, address of Merida Bicycle Tsinghua West Gate - Beijing Map\"\nSummary: \"The address of Beijing Merida Bicycle Tsinghua West Gate is: 200 meters north of the west gate of Tsinghua University. The phone number of Merida Bicycle Tsinghua West Gate is: 13693077221. Introduction of Merida Bicycle Tsinghua West Gate: Merida Bicycle Store,...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.66 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2938,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Bicycle shops near Tsinghua University\"\nQuery Dwell Time: 137.63 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 2938\nTitle: \"[Beijing Agui Bicycle Store Qinghua East Road Branch] Beijing Agui Bicycle Store Qinghua East Road...\"\nSummary: \"The bus stops near Beijing Agui Bicycle Store Qinghua East Road Branch: Xueyuan Road North Exit, Chengfu Road West, Liudaokou Station, Liudaokou, Beijing University of Science and Technology North Gate, China Agricultural University East Campus, Chengfu Road South, Beijing Language and Culture University, Jingshuyuan,...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.54 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2939,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 59.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2939\nTitle: \"Looking to buy a bicycle near Tsinghua University, Beijing\"\nSummary: \"Selling a Giant ATX SE (taotao) Selling a Giant 2018XTC800 (automatic) Looking for a used women's bicycle (molly) Shenzhen Meilida Mountain Bike Duke 650 Cheap Sale (Xiaohei) \u00a9 2005-2017 douban.com, all ...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 6.35 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2940,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike near Tsinghua University\"\nQuery Dwell Time: 59.06 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 2940\nTitle: \"Yangquan Bicycles | Yangquan Bicycle Sales | Yangquan Bicycle Trading - Yangquan Cool Search\"\nSummary: \"Tsinghua University mountain bike, other bicycles for sale, Jema mountain bike, 18-speed transmission, sensitive speed change, front shock absorber, sensitive brake, solid frame, good tires, easy to ride, no problems, Beijing - Haidian - Tsinghua University mountain bike, Jema...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 10.04 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2941,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2941\nTitle: \"\u3010Fixed Gear Bicycle\u3011Fixed Gear Bicycle Price_Fixed Gear Bicycle Wholesale - SouLeWang\"\nSummary: \"If you are looking for fixed gear bicycles, please visit the fixed gear bicycle channel of SouLe.com. Here we provide a large number of fixed gear bicycle supplies, fixed gear bicycle wholesale, fixed gear bicycle dealers and manufacturer information, and provide you with the latest and most comprehensive fixed gear bicycle price reference and online negotiation...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 46.37 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2942,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2942\nTitle: \"Things to know when buying a fixed gear bike_Fashion News_Tianya Forum_Tianya Community\"\nSummary: \"Many people think that fixed gear bikes are just flying to death, but the \"death\" in fixed gear bikes has nothing to do with the \"death\" in \"death\". The flywheel of a fixed gear bike is fixed, so it is called a fixed gear bike, also called a fixed gear bike. Fixed gear bikes are very beautiful because they are very simple and have only one...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.96 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2943,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2943\nTitle: \"\u3010Buy a fixed gear bike\u3011 - Musical instruments\/sports - China People's Network\"\nSummary: \"The Chinese Musical Instruments\/Sports category of Baixing.com has collected the latest and most complete information on buying fixed gear bicycles for you to view. At the same time, you can also post information on buying fixed gear bicycles for free on Baixing.com. The best local musical instruments\/sports information is in the Musical Instruments\/Sports category of Baixing.com...\"\nRank: 4\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 40.04 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2944,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2944\nTitle: \"I'm a newbie, I want to buy a fixed gear bike, I don't know how to do it, please recommend it to me - Sports - Jiangyin...\"\nSummary: \"I am a novice, I want to buy a fixed gear bike, I don't know, please recommend, where can I buy it? I am a novice, I want to buy a fixed gear bike, I don't know, please recommend, Jiyang Community\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 34.51 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2945,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2945\nTitle: \"[Buying a fixed gear bike] Asking for advice! What are fixed gear bikes like? \u2014 Ask the Knowledge\"\nSummary: \"[Buying a fixed gear bike] Asking for advice! How good are fixed gear bikes? They are still OK as a means of transportation, but some cities prohibit fixed gear bikes from being used on the road\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 23.98 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2946,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 512.67 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy a fixed gear bike\"\nQuery Dwell Time: 274.61 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2946\nTitle: \"Fixed Gear Bicycle Price List_Fixed Gear Bicycle Pictures_Fixed Gear Bicycle Online Shopping Store_Gunqi.com\"\nSummary: \"Fixed Gear Bicycle Price List, Fixed Gear Bicycle Pictures, Fixed Gear Bicycle Online Shopping Site, Buy Fixed Gear Bicycles Online, Find Fixed Gear Bicycles Online, Please Look for the Fixed Gear Bicycle Store on Gunqi.com [Free Shipping Today]\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 53.69 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2947,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 276.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2947\nTitle: \"2017 International Flight Baggage Regulations\"\nSummary: \"What are the baggage regulations for international flights in 2017? Only by understanding these can you have fun and worry-free when traveling abroad. The following is the relevant content carefully compiled by pincai editor, I hope it will be helpful to everyone! 2017 International Flight Baggage Regulations China International...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 188.15 ms on the document.\nDocument's click-through rate (CTR) is 0.29\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2948,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 276.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2948\nTitle: \"International airline baggage check-in regulations\"\nSummary: \"Date (subject to the flight date) II. Scope of application 1. This preferential policy applies to baggage transportation segments (including sixth freedom rights transportation) that are subject to Air China's free baggage allowance rules according to IATA Resolution 302 \"Baggage Rules Selection Method\", i.e....\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 24.64 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2949,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"International flight baggage restrictions\"\nQuery Dwell Time: 276.53 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2949\nTitle: \"\u3010International Flight Baggage\u3011What are the baggage regulations for international flights? \u2014 Ask Knowledge\"\nSummary: \"\u3010International Flight Baggage\u3011What are the international flight baggage regulations? Northwest Airlines Tel: 010-65053505 Checked luggage: two pieces; 32 kg each. The sum of the three sides does not exceed 158CM Hand luggage: one piece; 18\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.1 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2950,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"What luggage must be checked in for international flights?\"\nQuery Dwell Time: 76.33 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2950\nTitle: \"Which luggage must be checked in and which luggage must be carried on international flights_College_School rankings\"\nSummary: \"I already know that nail clippers and scissors must be checked in, and documents and medicines must be carried with you, so what about shower gel and hair lotion? Any other additions~ 2. I am in economy class, and the free checked baggage is limited to 20 kg, but the airline...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 57.42 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2951,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much liquid can you bring in carry-on luggage on international flights?\"\nQuery Dwell Time: 102.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2951\nTitle: \"How much luggage can you bring on a plane? How much luggage can you bring on a plane? How much liquid can you bring on a plane?\"\nSummary: \"First class is 40kg. If you are taking an international flight, the total weight of your hand luggage is 7kg (some airlines have special... For first class and business class passengers, each person can check in two pieces of luggage for free, and the volume of each piece of luggage (three...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.98 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2952,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much liquid can you bring in carry-on luggage on international flights?\"\nQuery Dwell Time: 102.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2952\nTitle: \"How many bottles of liquor can I bring on an international flight (in the luggage compartment)? - _New Knowledge Information...\"\nSummary: \"\u2474. Taking domestic flights: The total weight of the passenger's hand luggage should not exceed 5 kg, and the volume of each piece of luggage should not exceed... Taking a flight... Wrenches and the like are not allowed;... How many milliliters of liquid can be brought in checked luggage on an airplane? ... International and regional flights...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.3 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2953,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 500.99 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How much liquid can you bring in carry-on luggage on international flights?\"\nQuery Dwell Time: 102.28 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2953\nTitle: \"How to buy checked baggage and what is the limit on the amount of liquids you can bring on board - Mafengwo\"\nSummary: \"@M: Can I bring 100ml of each item I want to bring? I am most afraid that I will have to throw it away, and the things I need to use will be taken abroad... We have set limits on the amount of liquids, aerosols and gels (LAGs) that passengers on international flights can carry in their hand luggage. ...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 54.61 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2954,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 42.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2954\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"If you want to quit smoking completely and know how to regulate yourself during the period of quitting smoking, you must first make up your mind to know the benefits of quitting smoking. Then let\u2019s take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay the aging of the face...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 12.96 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2955,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 42.48 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2955\nTitle: \"8 benefits men can get after quitting smoking_Male Channel_Wenkang Information Network\"\nSummary: \"If a man smokes frequently, he will have bad breath and his lungs will be greatly damaged. If he does not quit smoking, his addiction will become more and more serious and his health will be in danger. So we can only tell you the benefits of quitting smoking so that you will have the motivation to quit smoking...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.14 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2956,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 124.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2956\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, you also have to face side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 69.31 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2957,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 124.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2957\nTitle: \"US Food and Drug Administration: Pay close attention to side effects when using smoking cessation drugs - Sohu Health\"\nSummary: \"Recently, the U.S. Food and Drug Administration (FDA) issued a safety warning that the smoking cessation drug varenicline (trade name: Chantix) may cause some serious mental illnesses and even suicide, and \"this possibility is increasing...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.93 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2958,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 124.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2958\nTitle: \"What are the adverse reactions after quitting smoking?\"\nSummary: \"Best answer: First of all, we should correctly understand the occurrence of this symptom. The body of a smoker will constantly adjust its functions to adapt to the invasion of various chemicals. When smokers give up smoking...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 29.85 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2959,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 90.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2959\nTitle: \"The ten most scientific and effective ways to quit smoking\"\nSummary: \"Nasal sprays or skin patches, etc., to help smokers reduce irritability, insomnia, anxiety and other severe symptoms during the smoking cessation process. Previous Quitting smoking: Ten ways to help men quit smoking Next Quitting smoking: The most popular ways to quit smoking\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 18.67 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2960,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How to quit smoking\"\nQuery Dwell Time: 90.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2960\nTitle: \"The best way to quit smoking and smoking cessation products [practical tips]\"\nSummary: \"The most scientific way to quit smoking 2017-10-09 The best way to quit smoking with Chinese medicine 2017-10-09 The correct way to quit smoking 2017-10-09 How to quit smoking most effectively 2017-10-09 How to quit smoking 2017-10-09 How to quit smoking quickly 2017-10...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 31.38 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2961,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 295.53 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Effective ways to quit smoking\"\nQuery Dwell Time: 90.26 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2961\nTitle: \"Quit Smoking Network - The best way to quit smoking, how to quit smoking, how to quit smoking most effectively\"\nSummary: \"The best way to quit smoking 10 ways to help you quit smoking Reminder: The ten best ways to quit smoking Zhejiang Foreign Service International held the \"Internet + Foreign Trade\" talent training project Restarted the \"Daoxiang Cup\" selection after 11 years Accelerate the end of the history of \"no good rice in Shu\" This mutual...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 10.73 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2962,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2962\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.52 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2963,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2963\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 26.93 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2964,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2964\nTitle: \"Google Glass_Google Glass Latest News_IT Home\"\nSummary: \"Google Glass Beijing time on August 9 morning news, this Tuesday, as a partner of Glass for Work, Streye platform began to sell the enterprise version of Google Glass, priced at $1,829. Tags: Google, Google Glass, Google Glass...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 94.13 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2965,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2965\nTitle: \"Google Glass_Google Smart Glass_Google Glass\"\nSummary: \"Hujiang English provides information about Google Glass, Google Smart Glass, and Google Glass. Introduction to Google Glass: Google's new generation of artifact Google Glass is here! Google Glass has the same functions as a smartphone, and can control photography and video calls through voice...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 4.76 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2966,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2966\nTitle: \"Google Glass | Google Glass Phone | Google Glass Video_Enterprise Library_NetEase Technology\"\nSummary: \"Google Project Glass is a pair of \"expanded reality\" glasses that Google is developing. It has the same functions as a smartphone and can be used to control taking photos, making video calls, identifying directions, surfing the Internet, and processing...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.4 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2967,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2967\nTitle: \"Google Glass, Google Glass Special, Comprehensive Introduction to Google Glass - OFweek Wearable Devices Network\"\nSummary: \"November 6, 2017 -OFweek's Google Glass special introduction is currently the most comprehensive Google Glass special site, providing you with relevant news and information about Google Glass and in-depth technical analysis data.\"\nRank: 6\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 18.89 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2968,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2968\nTitle: \"Google Glass_YOKA Fashion Network\"\nSummary: \"The device can be connected to devices such as iPhone, iPad and iPod, supports strap expansion, and supports gesture control just like Google Glass. For example, users can answer a call by shaking their wrists, and reject a call by shaking their wrists twice. ...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.11 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2969,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass\"\nQuery Dwell Time: 329.75 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2969\nTitle: \"Google Glass Review Summary_Tencent Digital_Tencent.com\"\nSummary: \"With the release of the first 2,000 pairs of \"Explorer Edition\" Google Glass, more and more people have tried the novel experience brought by Google Glass. Among them are some well-known foreign technology media and company executives. Let's take a look at their comments...\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 105.72 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2970,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 55.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2970\nTitle: \"Taobao already accepts reservations for Google Glass, priced at 13,000 yuan\"\nSummary: \"July 3, 2012 - About 5 merchants have said they can buy Google Glass on your behalf, with prices ranging from 12,000 yuan to 13,000 yuan. A merchant who claims to be an \"American purchasing agent\" said: \"You can start taking reservations for Google Glass, the price is 13,000 yuan, and it will be sold out tomorrow.\"\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.26 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2971,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Google Glass price\"\nQuery Dwell Time: 55.25 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2971\nTitle: \"Google Glass goes on sale for over 10,000 RMB - Internet - Technology News\"\nSummary: \"April 16, 2014 - A pair of Google Glasses costs $1,500 plus tax, and buyers can get a pair of glasses frames or a pair of sunglasses. However, Google did not disclose the shipment volume of this external sale. According to USA Today,...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 26.49 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2972,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 510.01 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to use Google Glass\"\nQuery Dwell Time: 60.23 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2972\nTitle: \"Google Glass user experience: too flashy, limited use cases - Sohu News\"\nSummary: \"May 6, 2014 -Using Google Glass means being prepared to be watched at any time. On a more pessimistic note, although it is relatively rare, cases of people getting into trouble because of using Google Glass have occasionally appeared in the newspapers. However, since the author wants to...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 45.43 ms on the document.\nDocument's click-through rate (CTR) is 0.13\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2973,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 113.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2973\nTitle: \"\u3010Apple iPhone6\u3011Price_Parameters_Pictures_Apple iPhone6 \u200b\u200bMobile Phone Price-ZOL Zhongguancun...\"\nSummary: \"ZOL mobile version provides all models, quotes, configurations, reviews, market conditions, pictures, forums, comments, videos, driver downloads and other content of Apple iPhone 6 series mobile phones, as well as dealer quotes of Apple iPhone 6 series mobile phones, to help you buy...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 52.14 ms on the document.\nDocument's click-through rate (CTR) is 0.12\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2974,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"iPhone 6 price\"\nQuery Dwell Time: 113.68 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2974\nTitle: \"\u3010Apple iPhone 6 Series\u3011Price_\uff08Apple\uff09Apple iPhone 6 Series Mobile Phones...\"\nSummary: \"Tianji Product Library provides the parameters, pictures, quotes, reviews, market conditions, word-of-mouth, latest prices and pictures of the (Apple) iPhone 6 series mobile phones, providing the most valuable reference for you to purchase the Apple iPhone 6 series mobile phones...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.23 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2975,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2975\nTitle: \"Hong Kong Apple iPhone 6 32GB Price_Latest Hong Kong Apple iPhone 6 32GB Price [Quote |...\"\nSummary: \"Pconline provides the latest quotes for Hong Kong Apple iPhone 6 32GB, including the historical prices of Hong Kong Apple iPhone 6 32GB, and also provides the lowest quotes from Hong Kong Apple iPhone 6 32GB dealers, so that you can know the lowest prices in time and let you know Hong Kong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.4 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2976,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2976\nTitle: \"Hong Kong Apple iPhone 6 32GB Price_Latest Hong Kong Apple iPhone 6 32GB Price [Quote |...\"\nSummary: \"Pconline provides the latest quotes for Hong Kong Apple iPhone 6 32GB, including the historical prices of Hong Kong Apple iPhone 6 32GB, and also provides the lowest quotes from Hong Kong Apple iPhone 6 32GB dealers, so that you can know the lowest prices in time and let you know Hong Kong...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 47.4 ms on the document.\nDocument's click-through rate (CTR) is 0.05\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2977,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2977\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"iPhone6 \u200b\u200bprice in China is more than 800 yuan higher than in Hong Kong. Apple fans in China are finally waiting for the new iPhone to be launched. It is reported that the Ministry of Industry and Information Technology has confirmed that it has issued an online license for iPhone6. The new iPhone will be launched in China on October 17. iPhone6......\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2978,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2978\nTitle: \"iPhone 6 price in Mainland is more than 800 yuan higher than that in Hong Kong_Mainland Apple fans finally get it_Babytree\"\nSummary: \"iPhone6 \u200b\u200bprice in China is more than 800 yuan higher than in Hong Kong. Apple fans in China are finally waiting for the new iPhone to be launched. It is reported that the Ministry of Industry and Information Technology has confirmed that it has issued an online license for iPhone6. The new iPhone will be launched in China on October 17. iPhone6......\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 38.82 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2979,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2979\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 970 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2980,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2980\nTitle: \"How much is the iPhone 6 and 6 plus in Hong Kong? - Mafengwo\"\nSummary: \"Mafengwo Q&A > How much is the price of iPhone 6 and 6 plus in Hong Kong? As the title 970 views 0 people follow Follow Answer 4 answers Apple official website: http:\/\/www.apple.com\/hk\/ has prices, Apple store addresses, etc. The information you want...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 24.94 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2981,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2981\nTitle: \"iPhone 6 16G price in Hong Kong stores! - Mafengwo\"\nSummary: \"Mafengwo Q&A > Price of iPhone 6 16G in Hong Kong stores! What is the current price of iPhone 6 16G in stores? 2. It is said that mobile phone screen protectors are not provided when buying mobile phones in stores? How much does it cost to apply screen protectors there? 820 views 0 people follow Follow Answer 3...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2982,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2982\nTitle: \"iPhone 6 16G price in Hong Kong stores! - Mafengwo\"\nSummary: \"Mafengwo Q&A > Price of iPhone 6 16G in Hong Kong stores! What is the current price of iPhone 6 16G in stores? 2. It is said that mobile phone screen protectors are not provided when buying mobile phones in stores? How much does it cost to apply screen protectors there? 820 views 0 people follow Follow Answer 3...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 15.5 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2983,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2983\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong? - Home Decoration Interactive Q&A\"\nSummary: \"The above prices are from the Internet and are for reference only. The price of Apple iPhone 6 in Hong Kong is currently 3899 yuan. This is the most \"conservative\" design among the iPhone 6 designs, but this does not mean that the design does not have its own unique features. It is reported that this...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2984,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong iPhone 6 Price\"\nQuery Dwell Time: 231.35 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2984\nTitle: \"What is the current price of Apple iPhone 6 in Hong Kong? - Home Decoration Interactive Q&A\"\nSummary: \"The above prices are from the Internet and are for reference only. The price of Apple iPhone 6 in Hong Kong is currently 3899 yuan. This is the most \"conservative\" design among the iPhone 6 designs, but this does not mean that the design does not have its own unique features. It is reported that this...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 39.87 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2985,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2985\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators - Portable\/Mobile Products - Electronic Engineering World...\"\nSummary: \"September 11, 2014 - Apple iPhone 6 supports 4G networks of the three major domestic operators Source: Sina Mobile Keywords: Apple Apple Watch 4G Share to Beijing time on September 10 early morning news, Apple in Cupertino, California, the United States Flynn...\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 20.18 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2986,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2986\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 14.08 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2987,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2987\nTitle: \"Both the mainland and Hong Kong versions of iPhone 6 support mobile 4G networks_NetEase Technology\"\nSummary: \"September 2, 2014 - According to China Mobile, the operator's 4G network coverage is now complete, and domestic and Hong Kong iPhone 6s all support China Mobile's 4G network. China Mobile will also launch pre-sales and...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 27.55 ms on the document.\nDocument's click-through rate (CTR) is 0.06\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2988,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone support domestic operators?\"\nQuery Dwell Time: 90.42 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 2988\nTitle: \"Does the Hong Kong version of iPhonese support the three mainland operators? - ZEALER Community\"\nSummary: \"ZEALER The first stop for technology life Collection Edit Delete Featured Pin Share to | All Hong Kong mobile phones do not support Telecom Like Reply Delete Lifestyle of young people\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 2.97 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2989,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Hong Kong version of iPhone 6 supports China Unicom\"\nQuery Dwell Time: 118.44 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2989\nTitle: \"Telecom is a pity that the Hong Kong version of iPhone6 \u200b\u200bnetwork support is tested_Page 1_Jiangsu Telecom package network distribution...\"\nSummary: \"The chances of iPhone 6 and iPhone 6 Plus being unlocked are very high. Before the official version went on sale, we got the Hong Kong version of iPhone 6 (model A1586). The official website data shows that the unlocked version of the Hong Kong version of iPhone 6 for public sale can support 2G\/3G of China Unicom, China Mobile and China Telecom...\"\nRank: 3\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 86.68 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2990,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 118.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2990\nTitle: \"Hong Kong becomes the first choice for mainland tourists to buy iPhone 6. There are only two ways to buy it in Hong Kong_NetEase Travel\"\nSummary: \"September 13, 2014 - The sales staff just need to answer more questions about buying iPhone 6. September 12 is the first day that Apple Inc. iPhone 6 and iPhone 6 Plus can be purchased online in the Hong Kong market. It is the first day since Apple CEO...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 70.5 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2991,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"Buy iPhone 6 in Hong Kong\"\nQuery Dwell Time: 118.62 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 2991\nTitle: \"Buy, buy, buy! A complete guide to buying an iPhone 6 in Hong Kong! - Qiongyou.com\"\nSummary: \"The iPhone 6 and iPhone 6 Plus, which are even more stylish, are not launched in mainland China, making Hong Kong a battleground again. Here, we will introduce how to buy your favorite iPhone 6 in Hong Kong. Don't miss it in this autumn and winter...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 28.88 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2992,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2992\nTitle: \"How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong? - How many iPhone 6s can I bring back to the mainland if I buy them in Hong Kong?\"\nSummary: \"Luohu... Things to note when letting friends buy iPhone 6 from Hong Kong and bring it back to the mainland... 1. Apple Hong Kong needs to book a place on its official website, and then go to the designated Apple Re... Bringing an iPhone 6 bought in Hong Kong back to the mainland will... But it is bulging... How to bring an iPhone 6 bought in Hong Kong through customs... Method 1: Shenzhen Luohu Customs and Futian Port...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 61.45 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":2993,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2993\nTitle: \"Can I buy an iPhone 6 from Hong Kong and bring it back on October 16th? - Mafengwo\"\nSummary: \"Can I buy an iPhone 6 from Hong Kong and bring it back on October 16? On the 16th of this month, I want to buy two iPhone 6s from Hong Kong and bring them back. No packaging or receipts are required. Can I bring them back? 9652 views 0 people follow Follow Answer 8 answers [The questioner accepts] ...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 22.86 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":2
+  },
+  {
+    "id":2994,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2994\nTitle: \"I will be going to Hong Kong on October 24th and want to bring two iPhone 6s back. Please advise on how to buy them and what to pay attention to. - Asia...\"\nSummary: \"Where are you from? I will go to Hong Kong on the 28th and return to Hebei on the evening of the 30th. I want to ask if the store is open for sale now. I want to buy an iPhone 6 Plus 16G. Reply to Yating: Guangzhou. Reply to Yating: Make an appointment online at 8 o'clock every morning. The appointment is successful (need to use...\"\nRank: 7\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 14.29 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2995,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 1022.65 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"How to bring back iPhone 6 bought in Hong Kong\"\nQuery Dwell Time: 175.04 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2995\nTitle: \"I went to Hong Kong this time and bought 3 iPhone 6s, all for my own use. How do I get rid of the 2 old iPhone 5s and 3 new iPhone 6s?\"\nSummary: \"This time I took Hong Kong Airlines to Tianjin. Will my husband and I be checked for carrying two phones during the security check in Hong Kong? My husband and I both have our own iPhone 5s. We are going to buy a Crazy 6 for each of us and one for my mother-in-law. That will make 5 phones. We are ready to...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 12.74 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2996,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Swimming Pool Tsinghua University\"\nQuery Dwell Time: 97.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2996\nTitle: \"Tsinghua Natatorium successfully completed the training service and support mission for the \"Good Luck Beijing\" China Water Polo Open\"\nSummary: \"[News Center News Photo by Guo Haijun] On the afternoon of March 23, Tsinghua University Natatorium successfully completed the training service support mission for the \"Good Luck Beijing\" 2008 China Water Polo Open. From March 15 to 23, the Natatorium received the American women's team and the Australian women's team...\"\nRank: 4\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.04 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2997,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Swimming Pool Tsinghua University\"\nQuery Dwell Time: 97.4 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2997\nTitle: \"Tsinghua University Swimming Pool Tour (Photo)_Tsinghua University Swimming Pool 1_Tuniu\"\nSummary: \"Tsinghua University Swimming Pool Travel Pictures, Tsinghua University Swimming Pool 1, click to view more wonderful pictures shared by netizens. If you want to travel, find Tuniu! Tuniu.com\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 8.43 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":0
+  },
+  {
+    "id":2998,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2998\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 3\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 17.78 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":1
+  },
+  {
+    "id":2999,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 2999\nTitle: \"Chen Chen 165's comments on how good Chen Ming Swimming Pool (Tsinghua University Swimming Pool) is -...\"\nSummary: \"Official identity reply to user comments The response content should be greater than 0 and less than 500 characters! Cancel Address: No. 30 Shuangqing Road, Haidian District, opposite the East Campus of Tsinghua University Phone: 010-62792475 Category: Wudaokou Chenchen165's other comments\"\nRank: 5\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 16.6 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3000,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3000\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch) Phone Address_Business Hours - Beijing Meituan.com\"\nSummary: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool), Chen Ming Swimming Pool (Tsinghua University Swimming Pool) phone number, address, business hours\"\nRank: 9\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 25.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3001,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3001\nTitle: \"Tsinghua University Chen Ming Swimming Pool Group Buying Network, Tsinghua University Chen Ming Swimming Pool Group Buying List - Group 800 North...\"\nSummary: \"Tuan800 Beijing Station provides you with the complete list of group purchases for Tsinghua University Chen Ming Swimming Pool and information on group purchases for Tsinghua University Chen Ming Swimming Pool, as well as comments, pictures, group experiences and other content about Tsinghua University Chen Ming Swimming Pool.\"\nRank: 10\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.88 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3002,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 171.48 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3002\nTitle: \"Chen Ming Swimming Pool (Tsinghua University Swimming Pool): \"It only costs 5 yuan to get a swimming card, but there are too many people...\"\nSummary: \"guodongkong's review of Chenming Swimming Pool (Tsinghua University Swimming Pool): It only costs 5 yuan to get a swimming card, but there are too many people! I often encounter all kinds of weirdos, some standing there for an hour, some doing indecent actions, and some taking advantage of others...\"\nRank: 11\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 45.15 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3003,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Card\"\nQuery Dwell Time: 73.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3003\nTitle: \"[Transfer] Tsinghua Chen Ming Swimming Pool Swimming Card Love Swimming Love Life Shuimu Community\"\nSummary: \"Looking for students to create with each other (Beijing) How to identify the authenticity of imported Botox face-lifting injections? [Live broadcast expert\/net... University of Antwerp in Belgium recruits master's students (posting on behalf of others) qiuzhizhe Re: [News] Indonesian female bomber sentenced, suspected of...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":3004,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Card\"\nQuery Dwell Time: 73.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3004\nTitle: \"Tsinghua University Chen Ming Swimming Pool Single Ticket | Meituan.com Beijing Station\"\nSummary: \"The original price is 18 yuan for a single ticket to Tsinghua University Chen Ming Natatorium, and you can enjoy a 1~1.5 hour relaxation and coolness. Tsinghua University is a century-old institution and an Olympic training venue. Let the water wash away your stress and worries, and experience the relaxed feeling of floating on the water~ Original price Discount...\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.72 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3005,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 497.71 ms\nTask Satisfaction Score: 3\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Student Card\"\nQuery Dwell Time: 73.26 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3005\nTitle: \"Tsinghua University Chen Ming Swimming Pool Faculty Card for Sale Sarah Shuimu Community\"\nSummary: \"[upload=1][\/upload] The card has 30 times in total and 15 times are unused. It is sold for 100 yuan. Note: You need to bring your Tsinghua faculty ID to go swimming. If you need it, please contact us on the site\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 4.72 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":3006,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 137.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 3006\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 46.58 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":1
+  },
+  {
+    "id":3007,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 137.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 3007\nTitle: \"What's the news about Liaoning? - Navy Edition - Super Base Military Forum - The most influential military forum -\"\nSummary: \"There were a lot of hot news in the past few days, but why has it stopped recently? Did the person who released the news go out for tea... or will there be a climax in a few days! What's the news about the Liaoning? - Navy Edition - \u2261 Super Military Zone \u2261 - Super Base Camp Military Forum\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.99 ms on the document.\nDocument's click-through rate (CTR) is 0.04\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3008,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 137.52 ms\nQuery Satisfaction Score: 2\n\nRetrieved Document: \nUnique ID: 3008\nTitle: \"Comments: Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service\"\nSummary: \"Liaoning_Liaoning_China's latest aircraft carrier news_Latest news on service [View original]\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.06 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3009,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3009\nTitle: \"Liaoning aircraft carrier latest news_video online viewing - 56.com\"\nSummary: \"Liaoning Ship Latest News - Liaoning Ship Latest News, Liaoning Ship Latest News, Album Latest News Hot News China-Russia military exercise is about to open. Officers and soldiers of both sides boarded the ship to visit the Liaoning Ship J-15 carrier-based aircraft formation training MV \"Flying Shark\" Liaoning Ship carrier-based aircraft formation training...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.1 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":3010,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3010\nTitle: \"The US exposed the important information of China's aircraft carrier, and the shocking inside story of Liaoning was leaked - Xilu Eastern Military - Xilu.com\"\nSummary: \"The report said that the details revealed by the \"Liaoning\" helped explain the most important \"military revolution\" of the Chinese military in the past decades... It is the most basic condition for the Chinese Navy to move from near sea to ocean. The commissioning of the aircraft carrier should be a day of joy for all Chinese people...\"\nRank: 13\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 54.93 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3011,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3011\nTitle: \"Liaoning aircraft carrier is about to sail_China Shipbuilding (600150) Stock Forum_Eastern Fortune Network Stock Forum\"\nSummary: \"According to the latest news, the Liaoning aircraft carrier will set sail on November 11, and the sailing warning is the same as the previous sea trials. November 11 is the so-called \"Singles' Day\", and some netizens joked that the Liaoning aircraft carrier should choose this day to sail.\"\nRank: 18\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 7.51 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3012,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Basic information of Liaoning\"\nQuery Dwell Time: 184.97 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3012\nTitle: \"Yibo: #ChineseAircraftCarrier# Liaoning Ship Information\"\nSummary: \"Yibo: #\u4e2d\u56fd\u822a\u7a7a\u764c# Liaoning ship information Tencent Weibo, instead of looking up elsewhere, it is better to stand shoulder to shoulder here\"\nRank: 19\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.23 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3013,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Ship Captain Capacity Tonnage\"\nQuery Dwell Time: 49.72 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3013\nTitle: \"Official media released photos of the captain and political commissar of the Chinese aircraft carrier Liaoning for the first time_NetEase Military\"\nSummary: \"September 25, 2012 - Zhang Zheng, the captain of China's first aircraft carrier \"Liaoning\", was born in Changxing, Zhejiang in 1969. He is a naval colonel and has a postgraduate degree. Mei Wen, the political commissar of China's first aircraft carrier \"Liaoning\", was born in 1965...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 3.51 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3014,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Weapons and Equipment\"\nQuery Dwell Time: 108.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3014\nTitle: \"China's military strength from the perspective of the Liaoning aircraft carrier\"\nSummary: \"Wars are fought with real weapons, and verbal battles are useless. The origin of the Liaoning aircraft carrier is needless to say. After many twists and turns, a small-tonnage retired aircraft carrier that was originally only sold as scrap metal finally came to our country. Repair it, tidy it up...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 23.83 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":1
+  },
+  {
+    "id":3015,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 108.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3015\nTitle: \"ZT. The most detailed and credible history of the Liaoning ship written by the great god pop3 The rebirth of the Liaoning ship (Part 1)\"\nSummary: \"It has an oblique flight deck and an island superstructure. The carrier-based aircraft are mainly Su-33, MiG-29, Ka-2...,ZT. The most detailed and credible history of the Liaoning ship written by the real god pop3. The Nirvana of the \"Liaoning\" ship (I) - Navy version - \u2261 Super Military Zone \u2261 - Super Base Camp Military...\"\nRank: 4\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.54 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3016,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning History\"\nQuery Dwell Time: 108.35 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3016\nTitle: \"Boarding the aircraft carrier Liaoning\"\nSummary: \"Some military fans also know the history of the development of aircraft carriers in the world, the ranking of the Liaoning, its characteristics and the story of its construction. The next day, we boarded a military vehicle at the designated location and passed through the busy city of the seaport, bypassed hills, and crossed the river network...\"\nRank: 10\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 13.62 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3017,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 62.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3017\nTitle: \"Comment: Liaoning aircraft carrier has two disadvantages and its combat capability is far inferior to that of French aircraft carrier\"\nSummary: \"Russia's disclosure of military secrets will pose a threat to the United States. If others don't give Pakistan the equipment it wants, we can deliver it to its door. Why is the US F22 no match for the Chinese J-20? Is China's first domestically-produced aircraft carrier about to begin sea trials? Has the US military gradually lost its advantage? Germany...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.17 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3018,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 62.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3018\nTitle: \"Advantages and disadvantages of the J-15 as a carrier-based aircraft, - Navy Edition - Super Base Military Forum - The most influential...\"\nSummary: \"The advantage is great, but the disadvantage is... I am not happy without a catapult. The most influential military forum - Super Base Military Forum welcomes you! The advantage is great. The advantage is great, but the disadvantage is... I am not happy without a catapult. The most influential military forum - Super Base Military Forum welcomes you! The advantage is great. Now there is no catapult, and the opponent is equipped with...\"\nRank: 3\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 19.96 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3019,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning's advantages and disadvantages\"\nQuery Dwell Time: 62.85 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3019\nTitle: \"my country's Type 002 aircraft carrier will have a displacement of 80,000 tons, with both advantages and disadvantages being very obvious\"\nSummary: \"Japan said that the Izumo had no difficulty in confronting the Liaoning. Russian experts... 7 incredible super ships, the largest displacement of 82... A ship with a displacement of 800,000 tons is 12 times larger than an aircraft carrier and can be used... 3 days and 30,000 yuan of lecture notes. See through 29 scams and don't be fooled. Ten...\"\nRank: 9\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 4.3 ms on the document.\nDocument's click-through rate (CTR) is 0.09\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3020,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 92.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3020\nTitle: \"Foreign reports say Liaoning aircraft carrier participates in South China Sea exercises to reverse deterrence disadvantages - Youfu.com\"\nSummary: \"Xu Guangyu analyzed that although the Chinese Navy has three fleets in the North Sea, East China Sea and South China Sea, the Liaoning does not belong to any fleet but is directly controlled and commanded by the central government. Therefore, it needs to be familiar with the different conditions in the three sea areas in order to maintain its position in the future...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 28.96 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3021,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning Disadvantages\"\nQuery Dwell Time: 92.34 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3021\nTitle: \"Liaoning has been in service for four years, but has not yet formed combat effectiveness. Why is that? Shenjun.com - Military Observation Room...\"\nSummary: \"Before the Liaoning officially entered service, there were three candidates for the captain, Bai Yaoping, Zhang Zheng, and Li Xiaoyan. At that time, Bai Yaoping was very popular. Bai Yaoping was the first generation of excellent pilots and captains in the Chinese Navy who could fly planes in the sky and operate ships in the sea! He was very...\"\nRank: 5\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 32.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3022,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3022\nTitle: \"Zheng Hao: The successful take-off and landing of the J-15 on the Liaoning has three strategic significances _Satellite Channel_Phoenix.com\"\nSummary: \"November 26, 2012 - This has extremely important strategic significance, mainly for the following reasons. The first is that it marks that the \"Liaoning\" has taken a substantial step forward in the hunting suit, and in scientific research, especially in the fighter jets independently developed in China...\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 48.88 ms on the document.\nDocument's click-through rate (CTR) is 0.07\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3023,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3023\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercise has multiple strategic significance and demonstrates its defense capability - China News Service\"\nSummary: \"December 29, 2016 - It was reported that the Liaoning, the first and only aircraft carrier of mainland China, was recently spotted leading several other warships of the country on patrol near the coasts of Taiwan and Japan. Chinese military experts said that the Liaoning's trip was a response to the United States' long-standing...\"\nRank: 5\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 9.98 ms on the document.\nDocument's click-through rate (CTR) is 0.11\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3024,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3024\nTitle: \"What role does the Liaoning play for Japan? Netizens: Continue to strengthen the navy_Military_Global Network\"\nSummary: \"July 22, 2015 - Japan said that it would take at least ten years for China to build an aircraft carrier battle group like the United States, leaving Japan with only ten years to crack the strategy and tactics of China's aircraft carrier battle group. How much effect can the Liaoning aircraft carrier have on Japan? ...\"\nRank: 6\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 7.3 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3025,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3025\nTitle: \"Representative: The overall performance of the domestically-made aircraft carrier is much better than that of the Liaoning\"\nSummary: \"March 8, 2017 - Reporter: Not long ago, the Chinese Navy's first aircraft carrier Liaoning formed a formation with several destroyers and frigates, carrying several J-15 carrier-based fighters and various types of carrier-based helicopters to conduct cross-sea training tests to test the quality and performance of naval equipment...\"\nRank: 9\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 11.17 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":1
+  },
+  {
+    "id":3026,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 870.8 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Strategic role of Liaoning\"\nQuery Dwell Time: 118.2 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3026\nTitle: \"Foreign media: Liaoning aircraft carrier's far sea exercises have multiple strategic significances\"\nSummary: \"The Chinese Navy's strategy keeps pace with the times and is developing towards a \"far sea defense\" strategy that expands its activities to the Pacific Ocean. According to reports, with China's rapid economic growth, in addition to expanding its maritime rights and interests in resource development, it must also...\"\nRank: 1\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 20.3 ms on the document.\nDocument's click-through rate (CTR) is 0.08\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3027,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Your department has just recruited ten new employees and will need to conduct new employee training soon. Please find a method for playing an icebreaker game suitable for new employee training with about ten people. Based on the search results, please tell me the name of the icebreaker game that impressed you the most, and describe in one sentence what preparations are needed for this game?\"\nTask Dwell Time: 66.17 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Icebreaker game for 10 people\"\nQuery Dwell Time: 50.85 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3027\nTitle: \"Team games, icebreaker games, office games\"\nSummary: \"[Ice-breaking game] Name game How to play: The team members sit in a circle, nominate a student to introduce their work unit and name, the second student takes turns to introduce, but must say: I am *** after ***, the third student says: I am * after ***...\"\nRank: 3\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 42.84 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3028,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 121.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Beijing Tour\"\nQuery Dwell Time: 108.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3028\nTitle: \"Self-driving tours around Beijing: April and May are the best time to drive on the Beijing suburbs! - Mafengwo\"\nSummary: \"In April and May, Beijing is full of flowers and the capital has its own prosperous scenery. In the mountains outside Beijing, there are beautiful roads where everything grows in spring. Although they are artificially dug, they overlap with the surrounding mountains and the romance of growing plants and trees...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 58.92 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3029,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 121.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Beijing Tour\"\nQuery Dwell Time: 108.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3029\nTitle: \"Where to go in Beijing during the May Day holiday?\"\nSummary: \"Where to go around Beijing on May Day? Check out the best places to visit in Beijing on May Day http:\/\/tuan.cctcct.com\/China\/ http:\/\/dou....Beijing Shunyi District May Day travel activities: 2015 Beijing Tulip Festival Event time: April 13 to May 10 Event location:...\"\nRank: 5\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 13.36 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3030,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have a week's vacation in May and want to research where you can travel around Beijing. Please consider the cost (including transportation, accommodation and entertainment), value (what activities can be done during the vacation) and convenience to choose a suitable travel destination. Based on the search results, please list the alternative destinations you think may be feasible, and pick out the one you think is the best and explain why.\"\nTask Dwell Time: 121.6 ms\nTask Satisfaction Score: 4\n\nFor this task, user submitted query: \"May Beijing Tour\"\nQuery Dwell Time: 108.33 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3030\nTitle: \"Where to go for a tour around Beijing in May_Recommended places for a tour around Beijing in May_Beijing Week in May...\"\nSummary: \"The most recommended destinations for Beijing tours in May, the most humane travel experiences, and the best travel guides are all on Letu Travel Network. Letu Travel Network collects the most fashionable travel inspirations from thousands of inspirational travelers, and uses original interest-inspired...\"\nRank: 6\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 16.11 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3031,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 106.47 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Bicycle\"\nQuery Dwell Time: 30.26 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3031\nTitle: \"Tsinghua University second-hand ordinary bicycle transfer | Tsinghua University second-hand ordinary bicycle quotation] - Beijing 58...\"\nSummary: \"Tsinghua University \/ 11-30 \/ General Merchant 159 RMB Very beautiful, solid, good for riding bicycles, low price transfer, red, suitable for both boys and girls... Fixed Gear Bicycles, Road Bicycles... Haidian - Beihang University \/ 11-22 \/ General Merchant 160 RMB 140 RMB for sale, folding bikes,...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 9.06 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3032,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You live near Tsinghua University and want to buy a fixed gear bicycle. Please find possible purchasing channels, precautions and price ranges. Based on the search results, please find how to buy a fixed gear bike and how much it will cost?\"\nTask Dwell Time: 106.47 ms\nTask Satisfaction Score: 1\n\nFor this task, user submitted query: \"Tsinghua University Fixed Gear Store\"\nQuery Dwell Time: 39.04 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3032\nTitle: \"Beijing Bicycles | Beijing Bicycle Sales | Beijing Bicycle Trading - Beijing Kuyisou\"\nSummary: \"Tsinghua University mountain bike, other bicycles Transfer Jiema mountain bike, 18-speed transmission, sensitive speed change, front shock absorber, brake... Wanghailou Street mountain bike, Giant Trek 3700, American brand, bought in a specialty store. I spent 2798 yuan at the time and bought it...\"\nRank: 8\nTask Relevance: 2\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.72 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3033,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3033\nTitle: \"What size luggage can be carried on international flights? - Mafengwo\"\nSummary: \"The author of the post, generally speaking, airlines limit the size of carry-on luggage. If you check in your luggage, even if it is oversized, you can still check it in as long as you pay the extra fee! For travel, a 28-inch checked bag and a carry-on bag are basically enough! And even if it is too big, it will be a hassle to drag...\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 37.07 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3034,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions\"\nQuery Dwell Time: 66.24 ms\nQuery Satisfaction Score: 3\n\nRetrieved Document: \nUnique ID: 3034\nTitle: \"What do you think are the requirements for luggage size on domestic and international flights? - Bulldog Bar - Bulldog Club...\"\nSummary: \"International flights: Generally, the size of each piece of luggage should not exceed 20*40*55 cm, and the total weight of carry-on luggage should not exceed 7 kg. (However, each airline has special weight restrictions, so please pay attention to the tips on the ticket or consult the airline) ...\"\nRank: 7\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 3.97 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3035,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions on liquids\"\nQuery Dwell Time: 81.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3035\nTitle: \"[Liquids Carried on Airplanes] What are the requirements for carrying liquids in airplane luggage? \u2014 Ask Knowledge\"\nSummary: \"[Liquids Carried on Airplanes] Are there any requirements for liquids carried on airplane luggage? There are no special requirements for liquids in checked luggage, as long as they are not dangerous goods or prohibited items. For carry-on items, a single 100ml bottle is calculated based on the bottle's nominal value, not the remaining liquid.\"\nRank: 3\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 21.14 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3036,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You are going to study in the United States by plane. You may need to carry a lot of luggage, so you want to know the weight and volume restrictions for carry-on luggage on international flights, the weight and volume restrictions for checked luggage, how much liquid can be carried in carry-on luggage, which items must be carried by hand, which items must be checked, etc. Based on the search results, please find three things to note about carry-on baggage on international flights (weight, prohibited items, etc.)\"\nTask Dwell Time: 170.39 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"International flight luggage restrictions on liquids\"\nQuery Dwell Time: 81.52 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3036\nTitle: \"International flight baggage regulations\"\nSummary: \"International flight luggage regulations 1. Restrictions on carry-on luggage \u2475. Taking international flights: Generally, the total weight of carry-on luggage should not exceed 7 kg, and the volume of each piece of luggage should not exceed 20*40*55 cm (the sum of the three sides should not exceed 115 cm)...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 34.36 ms on the document.\nDocument's click-through rate (CTR) is 0.2\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3037,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 52.04 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Benefits of quitting smoking\"\nQuery Dwell Time: 19.57 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3037\nTitle: \"Check out the top 10 benefits of quitting smoking\"\nSummary: \"First of all, we must make up our minds to know the benefits of quitting smoking. Then let's take a look at the benefits of quitting smoking with the editor of Tiantian Nutrition! 1. Delay skin aging. Stopping smoking can delay facial aging and delay the appearance of wrinkles. The skin of non-smokers...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 11.38 ms on the document.\nDocument's click-through rate (CTR) is 0.25\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3038,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"A friend of you wants to quit smoking, so he wants to know the benefits of quitting smoking, the side effects of quitting smoking, and what are the effective ways to quit smoking. Based on what you have learned from the search, please give three suggestions for quitting smoking (for example: 1. Maintain a regular lifestyle)\"\nTask Dwell Time: 52.04 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Side effects of quitting smoking\"\nQuery Dwell Time: 17.37 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3038\nTitle: \"Side effects of quitting smoking | Health Encyclopedia\"\nSummary: \"And in the process of quitting smoking, there are also side effects such as withdrawal reactions. Emotions Smokers use cigarettes to relax, help think about making important decisions, kill time, and as part of social activities. Therefore, stopping smoking can induce stress or anger. Ex-smokers also...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 13.7 ms on the document.\nDocument's click-through rate (CTR) is 0.24\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3039,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Features of Google Glass\"\nQuery Dwell Time: 32.55 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3039\nTitle: \"See the future! Illustrated explanation of the top ten functions of Google Glass\"\nSummary: \"The beauty in this video shows us the actual use of Google Glass. Let's explain the basic operation and ten functions of Google Glass. Basic operation of Google Glass There is a touch pad on the leg of Google Glass - located on the user...\"\nRank: 1\nTask Relevance: 0\nQuery Relevance: 0\n\nUser Interaction:\nUser spent 23.4 ms on the document.\nDocument's click-through rate (CTR) is 0.15\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3040,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You heard that Google launched a product called \"Google Glass\". You are very interested in it. You would like to find out the functions, usage, price, etc. of this product. Please briefly describe the main functions of Google Glass based on what you have learned during the search process.\"\nTask Dwell Time: 211.0 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"How much does Google Glass cost?\"\nQuery Dwell Time: 33.67 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3040\nTitle: \"How much does Google Glass cost?\"\nSummary: \"*Fingertip Tears 81447 Views 123 Latest Answers (3 Answers) Price of Google Glass: 900 yuan. Google Glass combines a smartphone, GPS, and camera into one, showing real-time information in front of the user. Just blink to take photos, upload, and receive...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 30.1 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3041,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 122.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Hong Kong iPhone6\"\nQuery Dwell Time: 41.66 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3041\nTitle: \"Hong Kong Apple official website has given the price of Hong Kong version iPhone6 \u200b\u200b(large... From Aiyamakaka's Xiaoshen...\"\nSummary: \"The Hong Kong Apple official website has given the price of the Hong Kong version of iPhone 6 (see this screenshot). The price of the 4.7-inch 16G Hong Kong version iPhone 6 is 5588 Hong Kong dollars, which is equivalent to about RMB 4424. The price of the 5.5-inch 16G Hong Kong version iPhone 6 is 6388 Hong Kong dollars, which is equivalent to RMB...\"\nRank: 1\nTask Relevance: 1\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 17.2 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3042,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 122.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 need to pay customs duties?\"\nQuery Dwell Time: 32.43 ms\nQuery Satisfaction Score: 4\n\nRetrieved Document: \nUnique ID: 3042\nTitle: \"Do I need to pay customs duties when I bring an Apple iPhone 6 Plus (Hong Kong version) into the country? - Consultation Center - China Customs...\"\nSummary: \"Q: Hello. I want to buy a Hong Kong version of Apple iPhone 6 Plus when I go to Hong Kong on a business trip. Do I need to pay customs duties? How much? Thank you. A: You need to pay customs duties. For the specific applicable tax rate and applicable taxable price, please refer to the General Administration of Customs Announcement No. 15, 2012...\"\nRank: 1\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 8.28 ms on the document.\nDocument's click-through rate (CTR) is 0.14\n",
+    "usefulness_score":2
+  },
+  {
+    "id":3043,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You want to buy an iPhone 6 in Hong Kong. Please find out the prices of iPhone 6 in China and Hong Kong, how to buy an iPhone in Hong Kong, whether you need to pay customs duties when bringing the iPhone back to China, whether the Hong Kong version of iPhone supports the domestic operator network, etc. Based on what you have learned during the search, please tell us whether the Hong Kong version of the iPhone supports domestic mobile networks, etc.\"\nTask Dwell Time: 122.18 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Does the Hong Kong version of iPhone 6 support domestic operators?\"\nQuery Dwell Time: 16.7 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3043\nTitle: \"Apple iPhone 6 supports 4G networks of the three major domestic operators\"\nSummary: \"September 10, 2014 - iPhone 6 supports more LTE network bands, which means that after domestic users buy an iPhone 6, they can use any 4G network provided by the three major domestic operators without worrying about the device's network...\"\nRank: 2\nTask Relevance: 1\nQuery Relevance: 1\n\nUser Interaction:\nUser spent 12.32 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3044,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 128.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool\"\nQuery Dwell Time: 45.94 ms\nQuery Satisfaction Score: 1\n\nRetrieved Document: \nUnique ID: 3044\nTitle: \"[Tsinghua University Chen Ming Swimming Pool] Tsinghua University Chen Ming Swimming Pool Phone, Tsinghua University Chen Ming Swimming Pool...\"\nSummary: \"The phone number of Tsinghua University Chen Ming Swimming Pool is , and the address of Tsinghua University Chen Ming Swimming Pool is inside Tsinghua University. In addition, you can also view the map, public transportation and nearby popular places of Tsinghua University Chen Ming Swimming Pool.\"\nRank: 2\nTask Relevance: 2\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 19.33 ms on the document.\nDocument's click-through rate (CTR) is 0.1\n",
+    "usefulness_score":0
+  },
+  {
+    "id":3045,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"Winter is here, you want to go swimming. Please find the location, opening hours, student ticket prices, swimming card prices, etc. of Tsinghua University Swimming Pool. Based on the search results, please find  as much basic information as possible about Tsinghua University Swimming Pool (address, price, time, etc.)\"\nTask Dwell Time: 128.78 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Tsinghua University Chen Ming Swimming Pool Price\"\nQuery Dwell Time: 50.79 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3045\nTitle: \"Chenming Swimming Pool_Price per person_Business hours_Telephone address-Meituan.com\"\nSummary: \"Meituan.com provides Beijing Chen Ming Swimming Pool, 2018 signature features, the latest group purchase discounts, per capita consumption prices, business hours... Chen Ming Swimming Pool (Tsinghua University Swimming Pool Branch)\"\nRank: 6\nTask Relevance: 3\nQuery Relevance: 3\n\nUser Interaction:\nUser spent 23.12 ms on the document.\nDocument's click-through rate (CTR) is 0.33\n",
+    "usefulness_score":3
+  },
+  {
+    "id":3046,
+    "instruction":"Evaluate the usefulness of a search result based on the given search session data and assign a usefulness score from 0 to 3.",
+    "input":"\nUser is performing a search task: \"You have recently become very interested in military affairs, so you want to know information about China's first aircraft carrier, the Liaoning. Please find basic information about the Liaoning (such as displacement, length, beam, number of crew members, speed, weapons and equipment, etc.), the history of the Liaoning, the strategic role that the aircraft carrier can play, and the advantages and disadvantages of the Liaoning compared to aircraft carriers of other countries. Please find as much basic information about the Liaoning as possible based on the search results.\"\nTask Dwell Time: 75.36 ms\nTask Satisfaction Score: 5\n\nFor this task, user submitted query: \"Liaoning basic information\"\nQuery Dwell Time: 66.01 ms\nQuery Satisfaction Score: 5\n\nRetrieved Document: \nUnique ID: 3046\nTitle: \"China Liaoning aircraft carrier information.doc\"\nSummary: \"Model of Liaoning aircraft carrier unveiled at Shanghai China Maritime Museum China Economic Net 2012-10-08 11:02:35 Font size: Small Large Medium... Q: Can you introduce the basic technical parameters of the \"Liaoning\"? Military News www.chnqiang.com A: \"Liao...\"\nRank: 4\nTask Relevance: 2\nQuery Relevance: 2\n\nUser Interaction:\nUser spent 2.62 ms on the document.\nDocument's click-through rate (CTR) is 0.16\n",
+    "usefulness_score":3
+  }
+]
\ No newline at end of file